The tone is all Two-Rock - clear and crystalline when you want it, and incendiary overdrive when you need it. Service Repair Service Artist Relations Impressum Gallery Links Newsletter Shipment. 00 sound!!!. This is Dumble's most popular model, and subsequently is the most frequently seen. Especially those wanting a more sparkly clean tone and a very smooth, non-buzzy OD tone. 5, Bass to 2. OTS20 clean channel tone stack testing, Grosh ElectraJet VT (Pickup selector was in middle position all the time) 1x12 cab, speaker is EV12L, mic is sennheiser e609. I should know I've tested most of the famous tone stacks in the last 20 years My advice; R22 try around 50k Remove C2 C4 and R17 does nothing except a slight 2dB loss below 1khZ. I also have a little Glaswerks Zingaro combo (Dumble clone with Skyliner tone stack) and a Dumble ODS clone I made myself that has some strange twists to it and uses what's known as the Classic tone stack. middle and bass tone-stack. Just add an SPST ON/OFF mini-switch to the Mid pot's (or 6. At least part of the inspiration of what Alexander Dumble crafted into the tone of the Overdrive Special was the sound Robben Ford achieved by running his rig into the front end of a cranked Fender Blackface amplifier (likely a Super Reverb or Bassman). Hiwatt Custom 20 Head Schematic Lowell George (had an early custom Dumble with an unique tone-stack and a Marshall inspired boutique/custom. In addition to the power amp differences, the two have different tone stack arrangements. Boss Acoustic Singer Live/Pro Amplifier Demo with Tom Quayle Please Support The Video By Hitting That Like Button and Subscribing for More Videos!. Over time he designed and hand-built and tweaked many amps that were used by Stevie Ray Vaughn, Eric Johnson, Carlos Santana, John Mayer, Robben Ford, Larry. This sort of mod must be listened to in order to decide if it is worth it. If I was to buy a Dumble clone it would be one of Brandon's amps Bludotone Amp Works - About. The clip I heard with a Strat was the creamiest. For starters I would try 330pF to 500pF for the. Boss Acoustic Singer Live/Pro Amplifier Demo with Tom Quayle Please Support The Video By Hitting That Like Button and Subscribing for More Videos!. It is a very convincing clone of the sound. The ratio circuit and the tone stack are an excellent design. This is activated by pulling the Volume on the clean preamp. it started life in the 70's with low plate resitor values and a 'classic' eq tone stack like a fender amp of the time. Plus versitility wise, output tubes dont make as much of a difference as all the ad men would have you believe. Get the guaranteed best price on Solid State Guitar Amplifier Heads like the Boss Katana KTN-Head 100W Guitar Amplifier Head at Musician's Friend. Starting as a one-off custom amp request by Rob Rolph (guitarist) turned into a mission to build a production model holding true to the originals legendary tone, build quality and durability. Fender Mods by Voodoo Amps. It will accept your guitar input via a 1/4" phono jack. So it’s more of a Dumble or hot-rodded Marshall arrangement. While rarely fatal, it has been known to cause financial distress and relational conflict. They take quite a bit of time to build and they have to be built correctly to sound right. The result is a rich, warm tone suited for any style of mus. Had a little time and put together of the amp after installing the post OD tone stack. In fact, this "how should I set things?" question is the number one question we get here. Tone stack boost is virtually ruler flat so there is a lot of everything. It is basically a pair of filters whose output is. I've tried some older Bassmans, Silver faced ones, and I could never get along with them, could never get the mid content I wanted. The Ampeg SCR-DI Bass DI with Scrambler™ Overdrive is a true Ampeg preamp, delivering a wide range of Ampeg tone perfect for the stage. As there have been a few comments about the fabled Dumble Amps I thought I'd share my findings with you. This compact companion provides a wide range of distorted tones, from crisp and clear light distortion, to a. And here is a video I made to demonstrate some tonal difference between the two tone stack approaches. ) We dug into the 6L6, 100/50-watt head and matching vertical 2×12 cab. 25uF capacitors in the tone stack, and the. The right tone in the wrong player's hands results in a poor experience. Also a word on the Dumble OD. The secret of the Dumble's tone is alleged to be in the design of the tone stack; fueling the legend, sections of the board are covered in epoxy to shield them from prying eyes. Details about AMPEG SVT 2 NON-PRO Bass Amp - SVT II Non Pro plus a AMPEG 4X10 Speaker Cabinet. The Wampler Euphoria Natural Transparent Overdrive pedal impressively captures the natural and warm breakup that's more akin to amplifier distortion than most overdrive/distortion pedals. This damn thing smokes, cleans up like crazy with a little volume control change on the guitar, overdrives like a Dumble. Dumble's German importer in the '80s made a clone called the Kitty Hawk Standard. While rarely fatal, it has been known to cause financial distress and relational conflict. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. Add the boost for more drive and. Find helpful customer reviews and review ratings for Eminence GA10-SC64 Geo. "post" means the tone controls are after the "Gain" distortion. Find helpful customer reviews and review ratings for Eminence GA10-SC64 Geo. But when I play with similar sounds, it just sounds too muffled. This put the tone stack before the dirt section. middle and bass tone-stack. - Mesa Boogie Amps (primarily the early ones) - Dumble style amps (at least the clean section; some clones that follow the Dumble HRM schematic have a tone stack in the OD section too but it doesn't have a recovery stage like the clean section. Now, that just might make a killer "preamp"! Waddya think?. dumbleだとこのツマミがodチャンネルにも影響しますが,独立にコントロールできるように設計しました。 toneは通常の「trebel・middle・bass」の3-toneです。 「overdrive」がodチャンネルのゲインを決め,「level」で音量をコントロールします。. As there have been a few comments about the fabled Dumble Amps I thought I'd share my findings with you. 0) contains simulations for Marshall, Fender, Vox, James, E-series, Bench, Hiwatt and Big Muff. The amp is capable of everything from great clean sounds to Marshall JCM800 and hot rodded Marshall and metal tones. These circuits seem to have what`s termed the 'classic' tone stack. The Mini OSD 112 Combo cab, for a kit builder, is ready to go. board are two-fold in that this board teaches the "typology" of a Fuzz Face on a single board but also the end result will be a wide range of fantastic Fuzz Builds for your collection. It uses Dumble's 'Bluesmaster' tone stack and a 90's style Hot Rodded Marshall (HRM) overdrive section to bring us into the 'Dumble meets Marshall' sonic realm. Amp Specifications: General: Make: Dumble Year of Mfg: 1978 Model: OD-100WR, Overdrive Reverb Special (OD Post Reverb) Tone stack: Passive Treble, Middle, Bass. Modelled after the later 90's and beyond ODS amps. With the boost switch, the 5150 Overdrive can be kicked into high gear with extra compression and. In fairness it's no better than the classic Fender in regard to the Amount of bass and treble but the midrange cut leaves fender types for dead. For starters I would try 330pF to 500pF for the. In a sense, the overdrive channel sits "on top" of the clean channel. High Quality WIMA Box Caps with corrected values for the Bass and Mid Cap and corrected value for the slope resistor. Although I believe the design is not farm from a blackface the tone stack is different and that's what counts on these amps. You can’t move for high-end boutique effects pedals in 2019, but some stand out from the crowd – here’s our pick of the most interesting brands vying for your bucks. Just add an SPST ON/OFF mini-switch to the Mid pot's (or 6. The FET level is adjustable using trimmer potentiometer inside the amplifier. Component choice, wiring layout and many other little details all add up to the finished product and tone when done right. Hot Rubber Monkey is the correct name. What about the Treble cap? replace the cheap ceramic cap with a high quality Silver Mica cap. BOOST - this, like the works of Alexander Dumble, bypasses sections of the tone stack to give a bolder present tone. 2019 We organized this list in the following categories (click to jump to…. It is for serious tone freaks and I am selling it because I don't have any place to turn it up! Many tonal options here with mini switches as well as internal "secret" pots for even more tweaking. Dumble amp reverb. No ground = no tone stack which gives you a very significant signal boost and pure "raw" unaltered tone. I won't say I HATE that tone stack, as it could have been some other factors, but I have yet to enjoy the Fender tone stack (unless that's what's in the Sunns, but I rather doubt that). These are probably my favourite type of tone-controls, particularly in their activie variety, and you can really tune your pedal as well as get more versatility out of it. Knowing which pedals to choose for your amp the Klon and pedals inspired by the Dumble amp (OCD, Tree of Life, Euphoria etc). It uses Dumble's 'Bluesmaster' tone stack and a 90's style Hot Rodded Marshall (HRM) overdrive section to bring us into the 'Dumble meets Marshall' sonic realm. Design Specs for the Project. Learn More. Patching an imperfect design. The Bloomfield also gives you the option to remove the tone stack entirely, which bumps the gain considerably and lends a hit of Vox-style bite. The Amplified Nation Steel String Singer is based on Steel String Singer #005, originally built for Eric Johnson and now owned by Carlos Santana. Much less mid scoop, usable mid pot, sweeter highs and tighter lows. Click on any picture to enlarge. OTS20 clean channel tone stack testing, Grosh ElectraJet VT (Pickup selector was in middle position all the time) 1x12 cab, speaker is EV12L, mic is sennheiser e609. Using a pair of new-production, MN3005 “bucket brigade” IC chips, the Supro Delay achieves the most headroom available from any analog echo pedal, new or vintage. The Midnight Special 5 Watt is an enhanced version of the tried-and-true Midnight Special Combo introduced in 2000 and the best known Siegmund amplifier. The Mark IV uses the same basic circuit as the very first unit, now boasting standard spring reverb, award-winning bias-vary tremolo, and a cathode-follower powered tone stack that retains the original's sparkly character. Tone Stack - Dumble style overdrive mod Get rid of that farty bottom, honky mids, and lack of clarity. One of the most common issues with it is the fizziness of the overdrive circuit, which being after the tone stack relies on other methods to correct. Dumble amplifiers are synonymous with the rarest finest boutique amplifiers. Like how does the slope resistor effect the response of the tone stack?. We do get quite a lot of e-mails from folks asking about how they should set their tone controls on their amps and/or pedals. The pedal has 2 channels, both with highly flexible tone stack - a sparkling clean channel and the overdrive channel is quite amazing in it's tone and response to hard vs soft pick attack. " How close is this tone, subjectively, to an actual Fender Bassman amp? I surmise that the original Bassman amps rely on the 4 10" speakers for more than a bit of their lovely tones. Arguably the closest thing to the Dumble tone and touch sensitivity on the market, this is an incredibly versatile and useful pedal. Tone stack loc. Best Mini Compressor Pedals of 2019 - Compare prices and tone! Last Updated 02. it started life in the 70's with low plate resitor values and a 'classic' eq tone stack like a fender amp of the time. (5uf compared to Fender 22uf) I don't think you will get a Dumble tone IF you are faithful to the Fender preamp with 3 gain stage prior to the Dumble OD channel. There are a large variety of Dumble clones out there and every designer manufacturer thinks theres in the best and the most representative. The FET level is adjustable using trimmer potentiometer inside the amplifier. (Tone tip: Try setting the lead gain all the way off, the regular gain about halfway, and add a healthy amount of reverb. Tweed amps that have two controls use a Baxandall style tone stack IIRC. Starting as a one-off custom amp request by Rob Rolph (guitarist) turned into a mission to build a production model holding true to the originals legendary tone, build quality and durability. Ive redone the Dumble preamp I use in the booze lawyer to function better as a standalone unit. Tone stack loc. I hate to burst your bubble but you won't get anywhere close by simply grafting in the tone stack, and even worse, if you simply graft in set values - the TS is. The CSR is a 2-channel amp with a blackface style clean channel and a british-voiced gain channel with multiple tone stacks for different flavors of gain. If you have listened to Shawn’s music, you will notice a major change in his tone a round 1995 or so when he began playing with basist Jonas Helborg and drummer Jeff Sipes. A fun feature of Guitarix is the ability to make your own amp, you can install various tubes from the 12 variations of tube emulations, and you can also pick from several tone stack emulations and virtual speakers. There are many schematics out there as well as a wealth of PCB projects. In addition to. I built this pedal in a truly "true point-to-point style" (meaning terminal strips) in a tube pedal enclosure from Doug Hoffman, substituting a Baxandall tone stack and reworking the preamp values to be more Dumble-esqe (non-HRM type). Unlike the tone stack bypass boost on the other Shiva model this boost has a separate gain stage which brings this channel into Plexi territory when boost is engaged. [Mitch Gallagher] -- This book explores all the guitar gear and examines the approaches famous players take to achieve their distinctive tones--vintage and new, boutique and mainstream, modern and retro. It uses Dumble's 'Bluesmaster' tone stack and a 90's style Hot Rodded Marshall (HRM) overdrive section to bring us into the 'Dumble meets Marshall' sonic realm. If you would like this kit assembled for you by one of our techs, you can email your request HERE. This is great for learning new songs or just playing along with your favorite music. But when I play with similar sounds, it just sounds too muffled. The Ethos Overdrive TLE ($395 direct) aims to capture some of the elusive Dumble mojo in a two-channel stompbox/preamp. Well, I guess the most appropriate place for certain types of effects is after the preamp and tone-stack and before the power amp (through the effects loop). png: New versions of dumble stacks added: Feb 23, 2019: dumble_rock. If you have bought a guitar amp or are thinking about upgrading your amp, this guide is for you. Also a word on the Dumble OD. Didn't Mesa do the same with their Subway amp or something? Actually, it's interesting to compare Mesa against Dumble, or rather the ap. I changed the slope resistor R13 from 47. My guess on the speakers is the ET90 or Retro 30 are more likely than the ET65 to match the bass strength of the HM75. the Official Support Center of Positive Grid. Although I believe the design is not farm from a blackface the tone stack is different and that's what counts on these amps. The Shift button will as it is labeled shift the EQ. This is activated by pulling the Volume on the clean preamp. Put all knobs at noon if you want authentic. Best Dumble-Style (or D-Style) Pedals of 2019 – Compare Tone and Amazon. up to your ears? This screen shot shows the difference between the given schematic "Yellow trace". I would like a gain and volume knob so I can overdrive low. Back in the Dumble direction, you don't have the fat bass cushion and the high sparkle shine on the top end, which is a good thing because that can tend to mask the distortion artifacts that emerge as you drive it more and more. At least part of the inspiration of what Alexander Dumble crafted into the tone of the Overdrive Special was the sound Robben Ford achieved by running his rig into the front end of a cranked Fender Blackface amplifier (likely a Super Reverb or Bassman). The completely unique QuarterHorse Stompbox Amplifier is a true two-channel 25-watt guitar amplifier in an ultra-compact stompbox format. most dumbles are based on fenders or fenders with a Marshall tone stack. BUILT FOR JAMMING. "The tone stack in the PAB models is a neutral tone stack which is the same as lifting the ground. Here is the link. The exalted amps of Alexander Dumble have been legendary since he began building in the late ’60s, and have become more so over the course of the past decade, with several notable “boutique” makers launching their own lines on the. It's Sonny Landreth's fault Wow, that looks really interesting. Description. They not only have as much gain as Marshall amps but also more headroom. Dumble Ods AMP, Steel String Singer Amplifier, Electric Guitar Amplifier manufacturer / supplier in China, offering 1983 Dumbles Ods Overdrive Special Handwired Amplifier 50W, Grand 5f1a Hand-Wired Guitar Combo Amplifier in Tweed (G-5), Solid Spruce Top 916 Acoustic Electric Guitar and so on. Too much lower frequencies, and its just too mushy and compressed. High Quality WIMA Box Caps with corrected values for the Bass and Mid Cap and corrected value for the slope resistor. The "Dumble-ized" parts of the build would be the "Bright/Deep/Jazz or Rock" toggles, the "PAB" - a Pre Amp Boost (which is essentially a tone stack bypass), and the Dumble reverb circuit, and an EH LPB-1 "Linear Power Booster" (instead of the Dumble FET boost) before the input resistor, on a relay switch. Seems like I'm the only one here who likes the 2nd "trim pot" tone stack in the "Dumble" circuit. Dumble has covered the preamp circuitry of his amps with a thick layer of usually opaque epoxy, protecting his schematic's exact design, although several amplifiers are known to have been "de-gooped" and their component values measured. Such is the case with two Dumble amplifiers that crossed our threshold recently. One could say it will please the Dumble favoring players. Marshall amps are known for their mid-heavy nature while Hiwatt amps have scooped mids. The Mercury V is a perfect example of the supremacy of speaker selection, in conjunction with preamp and tone stack design, over power valves in determining the sonic signature of an amp. 2019 One of the most vital studio tools in history, the compressor does the… Best Uni-Vibe clones and Vibe-inspired Pedals of 2019 - Compare Prices and Tone! Last Updated: 01. Make sure to do this in a way so that it is not free to move. Reverb controls are in the back. **** this pedal features an interactive tone stack just like the real thing, meaning that changing one setting changes the others. The chassis is a 2U rackmount with removable brackets and a variety of features with 'Live Amp Sound' Line Out and Pentode/Triode switch. The post tone stack cascaded gain stage is an architecture that was started in the 70's by Randall Smith of Mesa Boogie and has been used by many other designers since. I actually designed this your pedal in the genuinely "genuine stage-to-point style" (that means terminal strips) inside a tube pedal housing from Doug Hoffman, substituting a Baxandall tone stack and reworking the preamp ideals to be extra Dumble-esqe (non-HRM kind). The "Dumble-ized" parts of the build would be the "Bright/Deep/Jazz or Rock" toggles, the "PAB" - a Pre Amp Boost (which is essentially a tone stack bypass), and the Dumble reverb circuit, and an EH LPB-1 "Linear Power Booster" (instead of the Dumble FET boost) before the input resistor, on a relay switch. Chimey Cleans and scooped mids with nice clean bottom end. The treble pot trimmer is 250k, the bass pot is 1M and the mid pot is 20k so I would assume that Dumble is using a typical Marshall tone stack here. I moved the tonestack to a different location later in the circuit. Get this from a library! Guitar tone : pursuing the ultimate guitar sound. These circuits seem to have what`s termed the 'classic' tone stack. To me this tone stack looks more like it was copied from an Engl amp. Google Launches AMP Demo - Accelerated Mobile Pages Google Launches AMP Demo - Accelerated Mobile Pages AMP Demo - AMP for WordPress. Alexander "Howard" Dumble has revolutionized the world. Stream Tracks and Playlists from Tone Stackz on your desktop or mobile device. The post OD tonestack on Dumble like amps also allows one to tweak the tone of the OD making the switch back and forth from clean to OD more usable for some folks tastes. So since I did a layout for the Tubeworks 903 I thought to myself if it's basically a tube pre-amp I thought why couldn't the tone stack be modded to that of some legendary amps. Component choice, wiring layout and many other little details all add up to the finished product and tone when done right. "post" means the tone controls are after the "Gain" distortion. Given its boutique sound and tonal flexibility, the Egnater Tweaker has to come close to being the ultimate studio amplifier. 20th Anniversary Shiva - comes with a pair of KT88's and the amp is rated at 90 watts. Back in the Dumble direction, you don't have the fat bass cushion and the high sparkle shine on the top end, which is a good thing because that can tend to mask the distortion artifacts that emerge as you drive it more and more. I think I really like the change. Actually, every fuzz I hooked up with it sounded great and so it isn't just another amp-like pedal. I should know I've tested most of the famous tone stacks in the last 20 years My advice; R22 try around 50k Remove C2 C4 and R17 does nothing except a slight 2dB loss below 1khZ. 113 Followers. Skyliner Amps - Skyliner amps can either be with or without the post overdrive stack. It also works great with EQ pedals because it lets the pedal do all the tone shaping. Add the boost for more drive and. Cosmetically the Ethos emits a heavy Dumble aroma, right down to the mini "Tone Stack" toggles for each channel. This means that the clean channel tone stack and gain stages "cascade" into the gain stage of the overdrive channel, causing the clean channel to become "overdriven". While rarely fatal, it has been known to cause financial distress and relational conflict. IC2 controls the switching between Clean/OD. So as most of you guys know when I'm studying for exams I tend to do a bunch of layouts when taking breaks to keep my sanity. It is for serious tone freaks and I am selling it because I don't have any place to turn it up! Many tonal options here with mini switches as well as internal "secret" pots for even more tweaking. It sounds really good and gives you the Eric Johnson tone if you put a Fuzz Face in front of it. The simple version of the Boost switch included only works properly if the Rock/Jazz switch is set to the Rock. Now the Dumble is still mildly shiny compared to really grippy cleans like the Barber Echelon or CAE OD-100. Thoughtful control platform and feature selection. I thought it may interest people to see the fundamental differences between the Dumble tone stack in Rock and Jazz mode. There are a lot of subtle variations in this style of amp. People with a working concept of the tone stack sometimes talk about the mid control as a way to fill in the big valley missing from midrange frequency response created by the way the two other tone controls work. If your amp has an OD channel, as do most D-Style amps, and you plug your delay through the front of the amp, when you hit your OD footswitch, you will be OD-ing your delay sound. We do get quite a lot of e-mails from folks asking about how they should set their tone controls on their amps and/or pedals. The Tone Queen Falcor Kemper Profile Pack is a pack we are truly proud of! Between the Rhythm, Tweed and Lead voicing that this little single channel amp may be more versatile than many three channel amps! Rhythm is a punchy American tone, Tweed is more midrangey and dirty, and Lead is straight up sustain with tons of pick sensitivity…. g v30's in a fender twin. Amp courtesy of Chuck Matses. This model has been refereed to as a high-plate non-HRM model with the Skyline tone stack. (The word skyliner refers to the clean tone stack). Robben Ford lead the consulting R&D team that developed the concept of the Tone Capsule technology, allowing to model his highly personalized Dumble ODS clean channel Tone Stack and 1st gain stage as well. If I was to buy a Dumble clone amp it would not be a Andy Fuchs amp. I used Duncan's Log A for the original tone stack curves, and Log B for my stacks traces, which is near enough, because final evaluation is done with the ears, albeit that the pretty coloured curvy lines do make the initial designing easier. Hot Rubber Monkey is the correct name. This guide will show you how to get the most out of your amp by showing you how to become an expert in your guitar amp’s settings. The Bloomfield also gives you the option to remove the tone stack entirely, which bumps the gain considerably and lends a hit of Vox-style bite. We used the gain stages from the '70s ODS model and the tone stack from the front section of the '97 ODS model. It sounds really good and gives you the Eric Johnson tone if you put a Fuzz Face in front of it. Seems like I'm the only one here who likes the 2nd "trim pot" tone stack in the "Dumble" circuit. Web-ified by Stephen Keller, it's a more complicated tone circuit spread out across two triode stages. I think a lot of it is personal choice really but on the flip side there are definitely certain speakers that don't match certain amps e. The Bakersfield Guitar Amplifier™ is a 120W clean machine! Designed as a cross between a Fender Twin and a Dumble Steel String Singer, and is our cleanest, most powerful and sophisticated clean platform that features a 3-knob Reverb, our own Patent Pending Tap Tempo Bias Tremolo Circuit and a host of other features that make The Bakersfield Guitar Amplifier a standout in any style of music. Then, of course, the profile includes the tone stack, which may be what you would dial in, or may not be. A reverse-engineered tone stack from my Aria bass amplifier has been added as an extra bonus. paying attention to the internal overdrive tone-stack is. it started life in the 70's with low plate resitor values and a 'classic' eq tone stack like a fender amp of the time. But yes, that part is gooped over. See the recording notes for full details. The increased presence of the ET90 probably won't be noticed on the bottom, but you might like an X pattern. The post tone stack cascaded gain stage is an architecture that was started in the 70's by Randall Smith of Mesa Boogie and has been used by many other designers since. I moved the tonestack to a different location later in the circuit. Dumble amp reverb. This amp simulates an authentic Dumble Overdrive tone. Here's my schematic that I would follow if the tone stack has to be moved. I'm just after what other peoples experiences with speakers that suit a dumble type circuit but feel free to ask your own speaker related questions. It uses Dumble's 'Bluesmaster' tone stack and a 90's style Hot Rodded Marshall (HRM) overdrive section to bring us into the 'Dumble meets Marshall' sonic realm. Seems like I'm the only one here who likes the 2nd "trim pot" tone stack in the "Dumble" circuit. 0) contains simulations for Marshall, Fender, Vox, James, E-series, Bench, Hiwatt and Big Muff. Every so often we are asked at the shop to do some detective work to try and find the lineage and history of an instrument or amplifier. This compact companion provides a wide range of distorted tones, from crisp and clear light distortion, to a. It allows the overdrive tone to be adjusted and set so there is little or no tonal shift when switching between clean and overdrive. 8 of the best single-channel guitar amps for pedals. Maybe you liked Stevie Ray Vaughan’s tone on In Step. Web-ified by Stephen Keller, it’s a more complicated tone circuit spread out across two triode stages. Such is the case with two Dumble amplifiers that crossed our threshold recently. Click on any picture to enlarge. We do get quite a lot of e-mails from folks asking about how they should set their tone controls on their amps and/or pedals. The first preamp stage is followed by a passive tone stack with adjustments for treble, middle, and bass. If you are looking for a new sound, try this fretless out. Nik`s D amps to date appear to be high plate 80s & 90s models with the 'sky liner' tone stack. One of the most common issues with it is the fizziness of the overdrive circuit, which being after the tone stack relies on other methods to correct. Now the amp is called a Tweed Overdrive Special This is sort of a cathode biased D_mble typology amp where I used a 5879 pentode in the second gain stage of the OD. Stackz learned early that if he was going to be the positive change that. Each channel has a dedicated three-band EQ, based on the highly interactive tone stack designs of blackface-era Fenders, and further tonal variety can be had by swapping tubes and/or adjusting bias, either with an external switch, or an internal trim pot. Back in the Dumble direction, you don't have the fat bass cushion and the high sparkle shine on the top end, which is a good thing because that can tend to mask the distortion artifacts that emerge as you drive it more and more. The differences can be subtle, but most tone-seekers can quickly identify the sounds in a recording. Single channel 100 watt head with full Tone Stack, Presence, MV with push-pull feedback disconnect. For live use, a good overdrive pedal will make up for the lack of a gain footswitch, and you can add effects either via the effects loop or at the mixing stage. Since the 1980s, Mr. htm: Dumble rock and jazz mode stacks added: Feb 16, 2019: dumble_jazz2. This is easily Dumble's most popular model, and subsequently is the most frequently seen. The inner black knob under the blue chickens adjusts the HRM tone stack. I like that on BF/SF amps to compliment the Vibrato channel. Dumble's German importer in the '80s made a clone called the Kitty Hawk Standard. If you have any suggestions, drop me a note at [email protected] Cosmetically the Ethos emits a heavy Dumble aroma, right down to the mini "Tone Stack" toggles for each channel. If I remember correctly, this tube was used in early Vox amps and was partly responsible for that jangly Vox tone. What could you do to suit an amplifier in order to Yngwie Malmsteen's design?. So since I did a layout for the Tubeworks 903 I thought to myself if it's basically a tube pre-amp I thought why couldn't the tone stack be modded to that of some legendary amps. The King Kong 100 is the culminations of years of research and building, modifying, and designing British-inspired amplifiers. If I was to buy a Dumble clone amp it would not be a Andy Fuchs amp. One thing that I'd love to see in a future update would be for each unit to have it's own savable user presets. Stack one amp and cab and up to eight effects in any order with easy-to-use drag-and-drop editing. tone controls play a greater role. are all critical to the overall sound. would follow if the tone stack has to be moved. This amplifier was designed using Electronic Spice Simulations to optimize the design. What about the Treble cap? replace the cheap ceramic cap with a high quality Silver Mica cap. It allows the overdrive tone to be adjusted and set so there is little or no tonal shift when switching between clean and overdrive. In a single chassis, King Kong provides righteous tones from the classic late '60s, the higher gain tones … Continue reading "Hot Rodded Plexi King Kong 100". The interplay between your guitar, amp and playing technique are all fundamental to your tone. BUILT FOR JAMMING. (Both the channel and tone stack can be altered with the included footswitch. I ended up using the Bright switch (no longer as a bright switch), and rewired it in series with the ground connection from the tone stack, switching up, lifts the ground connection which added a significant level boost, at a guess maybe 10dB, this then drives the next stage with lots more gain and gives a really nice tube overdrive sound, the. Dead Mint Condition. Here's a link to an excerpt from the RCA Receiving Tube Manual. A comprehensive guide to Dumble related electric guitar equipment, including amplifiers, effects buffers, speakers and cabinets. Actually, it was Chuck Loeb the one leading the consulting R&D team that designed the Tone Stack and the 1st gain stage of the Blues Cube amp. The goal of this three-part series is to help recording engineers, guitarists and DIY'ers understand some of the factors that influence guitar amp tone. I made the "mods" in the digital world, and it wasn't right. If your amp has an OD channel, as do most D-Style amps, and you plug your delay through the front of the amp, when you hit your OD footswitch, you will be OD-ing your delay sound. Works best in stack mode with the boost enabled. 5, Bass to 2. that's pretty awesome to play!. Tubeworks Real Tube 903 Modded Tone Stacks So as most of you guys know when I'm studying for exams I tend to do a bunch of layouts when taking breaks to keep my sanity. Each click gets a bit more girthy in the mids. In a previous post, I mentioned combating the dynamic tone effect using a few devices, including this one. It has a wide dynamic range of tone that makes it ideal for both the crunchy and loud rock guitar riffs and the silky movements of jazz. BUILT FOR JAMMING. I use three pieces of equipment: an AxeFX is my go-to unit for most of my live gigs these days. These circuits seem to have what`s termed the 'classic' tone stack. This got me thinking, why not put a gain pedal in the loop and see how it goes. Discuss your gear set. 25uF capacitors in the tone stack, and the. Tone stack boost is virtually ruler flat so there is a lot of everything. There are many schematics out there as well as a wealth of PCB projects. Just curious, how much does the tone stack affect the sound of the amp, especially when dimed? Has anyone tried to put in a switch to go between 2 different tone stack configurations?. The Wampler Euphoria Natural Transparent Overdrive pedal impressively captures the natural and warm breakup that's more akin to amplifier distortion than most overdrive/distortion pedals. Dumble Clean: Pair a Blackface Clone with a Compressor. - Footswitch: Channel + Boost (Tone Stack Bypass) - Quality caps and pots This recording is done with: - 2001 Warmoth Walnut Hardtail Stratocaster (Rosewood/Maple neck) - The bridge pickup Duncan PATB-3 - Clean channel on the amp with Barber B-Custom Cool OD pedal (very low drive, but strong volume boost). Details about AMPEG SVT 2 NON-PRO Bass Amp - SVT II Non Pro plus a AMPEG 4X10 Speaker Cabinet. The tone stacks are strategically placed based on the design of the circuits and what they accomplish. the ODS(overdrive special) is generaly based on a fender amp. It's sort of like a Zendrive, only with 2 channels and all the Dumble "tone stack" switching too. He had thirty-something amps in the studio for that one, including a ’59 Bassman, a Dumble Steel String Singer, and a couple of 200W Marshall stacks. " The “ODS-100 Ford” models are based on on schematics which supposedly represent Robben Ford’s Tan Dumble, serial #102. The tone stacks are strategically placed based on the design of the circuits and what they accomplish. It is for serious tone freaks and I am selling it because I don't have any place to turn it up! Many tonal options here with mini switches as well as internal "secret" pots for even more tweaking. if you are willing to tweak and spend time finding your tone you will be greately rewarded, if on the other hand you're not willing, then please do not buy, as this pedal is not for you ****. 2019 We organized this list in the following categories (click to jump to…. I made the "mods" in the digital world, and it wasn't right. Service Repair Service Artist Relations Impressum Gallery Links Newsletter Shipment Used Gear. Dumble Overdrive Special Circuit >>>CLICK HERE<<< The Drive circuit is a variable-gain input buffer added to the Interfax design, the pot Cornell's Overdrive Special ($430 retail/ $320 street) is a dual-channel pedal Tones Ethos pedal, it excels at achieving the famed Dumble overdrive tone. I think it needs someone to build into it a modern tone stack to be really effective, but at the price it is certainly worth it. The tone stack is based on what one would find in a Dumble style amplifier, though I didn't put in every switch function typical to those. A British boutique amp builder in search of the fabled D or Dumble sound. When not activated, circuit is just like the original black face Pro Reverb AA165. The differences can be subtle, but most tone-seekers can quickly identify the sounds in a recording. One other thing I'm learning about this circuit as compared to a Dumble Steel String Singer is how the John Mayer Signature amplifier has a set filter to make the strat sound so amazing. It has the sweetest 'bell-like' clean tones, and a harmonically rich, expressive and dynamic overdrive. You can’t move for high-end boutique effects pedals in 2019, but some stand out from the crowd – here’s our pick of the most interesting brands vying for your bucks. The most popular amp is the jazz voicing, which is based on Robben's Dumble #102 circuit. He started out in California with a small amp shop where he specialized in modding Fender amps. This is great for learning new songs or just playing along with your favorite music. The following sound clips where produced using the clean channel of a transistor amp with added reverb. The new names more accurately represent the actual D topologies and avoid confusion of what "70's-80's tones" mean. As a guitar player, sound engineer, and general gear connoisseur, I thought I’d begin sharing information gathered over the years, along with demos, photos, videos, and anything else that might be interesting. These are probably my favourite type of tone-controls, particularly in their activie variety, and you can really tune your pedal as well as get more versatility out of it. Your amp responds or reacts in a certain way to the signal from your guitar pickup, the pickup responds to the way you pick the strings and in turn you react to the sound you hear coming from your amp. This means that the clean channel tone stack and gain stages cascade into the gain stage of the overdrive channel, overdriving the clean channel. The Tone Queen Falcor Kemper Profile Pack is a pack we are truly proud of! Between the Rhythm, Tweed and Lead voicing that this little single channel amp may be more versatile than many three channel amps! Rhythm is a punchy American tone, Tweed is more midrangey and dirty, and Lead is straight up sustain with tons of pick sensitivity…. - Mesa Boogie Amps (primarily the early ones) - Dumble style amps (at least the clean section; some clones that follow the Dumble HRM schematic have a tone stack in the OD section too but it doesn't have a recovery stage like the clean section. if you are willing to tweak and spend time finding your tone you will be greately rewarded, if on the other hand you're not willing, then please do not buy, as this pedal is not for you ****. Tone stack loc. In a sense, the overdrive channel sits "on top" of the clean channel. This means that the clean channel tone stack and gain stages "cascade" into the gain stage of the overdrive channel, causing the clean channel to become "overdriven". I've reworked my amps so I can jumper the 2 channels & then blend in whatever sounds good. It also had the TMB tone stack obviously.