The treble cap is still in the circuit path. Other bands he has worked with include Weezer, Saxon Shore, Neon Indian, Wolf Gang, Ammonia, Ed Harcourt, Sparklehorse, Creeper Lagoon, Caf Tacuba, Creaming Jesus, Elf Power, Mogwai, Thursday, Longwave, Mass of the Fermenting Dregs, The Delgados, Low, Phantom Planet, Gemma Hayes, Ava Luna, Goldrush, Tapes 'n Tapes,[1] Hopewell, Black Moth Super Rainbow, Number Girl, Jed Davis, Zazen Boys, Sleater-Kinney and Clap Your Hands Say Yeah. For cleaner sounds it tends to be objectionable. For example, on the normal channel of a Plexi most people turn the bass way down. The model's Presence knob is therefore the Power Amp Presence. There's essentially a straight shot into the grid for all the high frequencies. Both volume controls affect the signal. We did notice that this amp has less gain than the one used originally but the model is faithful to the amp. ", (Classic mode): "On the real amp, you would set the Input level at 2 O'clock and the Gain at 1 to 2 O'clock to get a great classic rock rhythm tone. One is a Canadian export with bat-handle switches and sounds glorious. 896 Following. She knows all of the frustrations that come with learning the instrument without any formal lessons. Forum member AustinBuddy, owner of the original amp: Cab: Marshall 4x12 (G12M, G12H, G12-75, V30), Pre-Amp, Bass, Middle, Treble, Presence, Master, Gain, Bass, Middle, Treble, Presence, Master, #34/AFD switch, Depth (Brit Super model only), Cab: Marshall 4x12 (G12M, G12H, G12-EVH, V30, JBL D120), Volume Normal, Volume High Treble, Bass, Middle, Treble, Presence, Master, Bass, Middle, Treble, Gain, Presence, Resonance, Reverb (not modeled), Volume, Gain, Bass, Mid, Treble, Presence, Bass Shift (not modeled), Presence, Bass, Middle, Treble, Gain, Master, Cab: 1x15 Budda Phat 15 or 1x12 Budda Phat 12, Gain, Bass, Middle, Treble, Master, Bright switch. The frequency shaping is very different than most other amps. Then if they mount anything to the board the solder area is small and weak. There is no NFB in the Modern Red mode so the Depth knob won't do anything. Oh, and I should add that someone removed the bright cap from the Canadian one. The loop send is taken right off the MV which means the output impedance is very high. The plate driven tone stack in the Splawn reduces the highs considerably. He also said he made some of the designs could be improved by using PCBs by allowing for the most efficient way to lay out the circuit without having to worry about leaving space for somebody to wire it up by hand. It's a standard Marshall tone stack. ", "Camerons have linear taper MV and you need it with them because the signal level into the power amp is very low due to the Jose topology. ", (firmware Ares 14.00) "The Tube Pre model has been changed so that the power amp is off by default. Clean to "Cinammon Girl" with the volume knob. You gain stage a design based on its application. ", "A signal divider, which is more correctly called a voltage divider, is calculated by taking the resistance to ground divided by the sum of the resistances. ", "Those amps are all designed to get their character from power amp distortion. - Dave copied his preamp section from the VH original Head in this case perhaps every people to have seen Van halen amp actually signed a paper prohibiting them to tell us what's inside this amp and to copycat the exact same values for amp building and selling. J W Pepper Sheet Music. ", "The amp has no hi-cut circuit therefore the control won't do anything. Despite it's name, DV is just an EQ. Crude. The breakup range/tones between is wide and dynamic and can respond to your playing dynamics, getting crunchier as you dig in and cleaner as you play lighter. ", "Adds the "Legato 100" model based on Steve Vai's Legacy 100. The group disbanded in 2022.[7]. Each Friedman amplifier is built in the U.S.A. to Daves exacting standards using hand selected components. In fact, its impossible to talk about American music history without prominently featuring Detroit. ", "Some of them are really dull. The only unique thing I've encountered in all my tests is the function of the Presence Shift pull on the JP2C. The all-new Dave Friedman Collection of DynIR virtual cabinets are compatible with all DynIR-enabled Torpedo hardware (including Captor X, C.A.B. The tone controls set the feel and the distortion texture, the EQ shapes the final tone. Fixed bias is just that, the bias point is fixed so the amp doesn't shift into Class B operation when overdriven (not as much anyways, depends on the bias circuit, grid stoppers, etc.). ", (about the fixed internal gain) "Yellow is 2.9. Experiment with different values of Negative Feedback. I don't like it in the middle. "The Blues Jr. amp has a fixed presence circuit. Every bit of information I've found says that people typically used the Pull Bright on the Volume knob. This causes lots of crossover distortion (papery buzz). ", "The model was matched to Dweezil's amp. Otherwise they will sound VERY different. ", Legend 100: lead channel of Carvin VL100 Legacy, Legend 100 II: channel 3 of Carvin VL300 Legacy 3, "The thing that makes a Legacy unique is the tone stack. As you keep raising the MV the source resistance then starts to decrease as you get above 50% of the pot value. For BludoLead, take the Lead default amp values. When you consider 3 toggles hanging freely 'hand wired' vs 3 toggles anchored at the back to this tank of a PCB the PCB approach is more robust. ", "OD2 switches in a cathode bypass cap which increases the gain of that stage. That's due to the cathode follower. A Recto preamp is very similar to a SLO100. I.e., with BMT at 5.0 on the Triaxis the MKIV would be something like 1.0, 6.0, 6.0. This increases the level into the power amp by about a factor of two. So the JMP-1 uses a fixed tone stack and then a digitally controlled graphic EQ. When you hit the note there's this blast of high end that rapidly decays so it has an almost vocal quality. The information also partly applies to the previous generation of modelers (Axe-Fx II series and AX8). ", "I can nail the sound of my Triaxis now by setting it (Bright) around 9:00 - 10:00. Hi everyone, I am just wondering if anyone can help me translate the below amp mods performed by David Friedman on Adam Jones' Marshall to the axe fx. Check Price Same transformers. The Fat switch replicates the amp's Fat switch. Cathode followers have low output impedance but distort quite easily. ", "Another thing with the Modern modes is that the power amp distorts early (again since there is no negative feedback and, therefore, the power amp has a lot more gain). Hard amp to play though. So it's my take on a hot-rodded Marshall tone. ", "JP2C doesn't have a depth knob. Finally I traced the entire circuit and our particular amp is a split cathode. ", "The clean channel uses the same built-in tube screamer as the other channels. ", "What you are hearing is output transformer high frequency resonance. Very spitty as one would expect given the lack of a grid stopper resistor between the last triode stage and the PI. It's the same idea as a bright cap on your guitar's volume knob. ", "The reason Diezels compress so much is due to the cathode follower design. This ruggedly built cab has a punchy closed-back sound with huge low end thanks to the ported design. ", "Try the Plexi 100W 1970 with Factory Cab 54. Negative feedback linearizes the amp and reduces the crossover distortion (at the expense of gain). We earn a commission if you make a purchase, at no additional cost to you. ", "The bright cap value is normalized to a Drive pot of 1M. I don't know what it is but there is something in the voicing. ", "The Master Volume in a Blues Jr. is linear taper. Graphic EQs should have a nice, linear-in-dB response. ", ("Cygnus" amp modeling) "The Bassman was reworked using an original 59 Bassman 5F6-A as a reference. ", "Real Trainwrecks are very spitty amps. Dave Fridmann)", https://en.wikipedia.org/w/index.php?title=Dave_Fridmann&oldid=1140234069, State University of New York at Fredonia alumni, Short description is different from Wikidata, Pages using infobox musical artist with associated acts, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 19 February 2023, at 03:12. To replicate this increase Xfrmr Match to around 1.8. Shared: Master, Presence, Excursion, Boost switch (not modeled), Lead channel: Gain, Volume, Bass, Middle, Treble, Shift EQ (not modeled), Bright switch, Mode switch (not modeled). If you set it to zero it will be like 6.xx. We struggled to find a thing wrong with this amp in honesty. So one of the first things I do with the AFS100 model is turn down the bright cap a bit. It's the infamous AB165 circuit which is very crunchy and bright and does not sound like your typical Fender. ", "Buttery is a virtual amp model that was created by ear. ", "The Plexi 100W 1970 model is a non-MV "Plexi". ", "The reason they clean up when you back off the volume is because the OT is so overmatched. Other modelers use static waveshapers. ", "A JP IIC+ is not a Mark IV. ", "Fat and Presence shift work as the real amp. The HRM case the neutral tone stack is replaced by a Marshall tone stack. If you look at the schematics on the web the Maz-38 is shared cathode. Dave Friedman is the man behind the signature tones of rock icons Eddie Van Halen, Steve Stevens and Jerry Cantrell. ", "All the Fender models except the 59 Bassman and 5F8 Tweed don't have cathode followers. More dynamic and open than a Plexi, but with more gain. ", "So I was testing the next beta and selected the AC-20. We now have a 20th Anniversary Shiva (with KT88s) and the new models are based on that amp. Weird Bridge-T sorta tone stack. Whether or not the model matches any particular Dumble is unknown as we have not been able to procure a non-HRM Dumble yet. For all the hoopla surrounding Trainwrecks they're actually pretty bad designs. Crossover distortion is a unique sound. ", "When you dime the controls and whack a big chord the sound "goes away" a bit just like the real amp and then comes back a bit later. In most amps the drive control is located after the first stage (input buffer). ", AC-30 Bright: Normal channel, Brilliance input, AC-30 Hot: Top Boost channel of AC30HW, in "Hot" mode (no Bass / Treble), AC-30 TB: Top Boost channel of AC30HW, in "Cool" mode, "Note that the particular AC-30 used for the model has this scratchy high end. AC-30's are very sensitive to the tube type and part tolerances. The natural compression works well in keeping the tone tight and controlled and it performs well at bedroom volume or on the stage. When using the LD1 modes the Presence control doesn't do anything and is as if the control were at 10. ", Overdrive channel, Rhythm mode, 1st gear ("Plexi"), Overdrive channel, Rhythm mode, 2nd gear ("hot-rodded JCM 800"), Overdrive channel, Rhythm mode, 3rd gear ("super hot-rodded 800"), "The reason Splawns sound weird is because the tone stack is plate driven. We will also explore the top queries and questions that we have come across, during our research, concerning Friedman Amps before finishing with our final thoughts. Was hearing a lot of ghost notes compared to the old algorithm (in the debug build I can select between algorithms with a hidden parameter) and figured that couldn't be right. Put a filter block before the amp as follows: Type: Tilt EQ - Freq: 700 Hz - Gain: 4.5 dB", "When you watch a video Dave himself turns the bass way up. ", "IMO the designs are poor because wait for it they exhibit a papery buzz. ", "I used the power amp models from the XTC. The impedance ratio is about twice that of other amps. Channel 1 (Mark IIC+ Clean): Gain, Master, Presence, Treble, Mid, Bass, Mid/Boost switch, graphic EQ, reverb (not modeled), Channel 2 (Mark IIC+ Gain/Shred): (Pull) Gain, Master, (Pull) Presence, Treble, Mid, Bass, graphic EQ (not modeled), Shred mode switch, Channel 3 (Mark IIC+ Gain/Shred): (Pull) Gain, Master, (Pull) Presence, Treble, Mid, Bass, graphic EQ (not modeled), Shred mode switch, Gain, Lead Drive, Treble, Bass, Mid, Presence, Master, graphic EQ, Pentode/Triode switch, Class-A/Simul-Class switch, Voicing switch (Mid Gain / Harmonics), Variac, Rhythm 2 channel: Pull Fat, Presence Shift, Lead channel: Pull Bright, Pull Fat, Presence Shift, Drive, Lead Drive, Treble, Middle, Bass, Presence (preamp, on Lead 2 models), Dynamic Voice EQ (not modeled), Power tubes: same as USA Lead model (6L6), Volume, Bass, Mid, Treble, FAT switch, Reverb (not modeled), Volume, Treble, Bass, Middle, Fat switch, Tremolo, Reverb (not modeled), Vibrato channel: Volume, Bass, Treble, Vibrato (not modeled), Cab: Fender 1x15 (Jensen C15N, JBL D130, Eminence), Volume, Bass, Treble, Bright switch, Reverb (not modeled), Tremolo, Volume, Bass, Mid, Treble, Presence, three-position Bright switch (center: off, top: clarity and sparkle, bottom: jangly highs), 1959SLP JUMPED (100W Marshall Super Lead Plexi 1959 reissue), 1987X JUMPED (50W Marshall 1987X reissue), 59 BASSGUY BRIGHT (1959 Fender narrow-panel Tweed Bassman, 5F6-A), 59 BASSGUY RI JUMPED (Fender 59 Bassman LTD Vintage Reissue), 5F1 TWEED (Fender narrow-panel Tweed Champ, 5F1), 5F1 TWEED EC (2011 Fender EC Vibro-Champ), 5F8 TWEED BRIGHT (Keith Urban's 1959 Fender narrow-panel high-power "big box" Tweed Twin, 5F8, 65 BASSGUY BASS (Dweezil Zappa's 1965 Blackface Fender Bassman head, AB165), 6G12 CONCERT (1960 Brownface Fender Concert, 6G12), 6G4 SUPER (1960 Brownface Fender Super, 6G4), BAND-COMMANDER (1968 Silverface/Blackface Fender Bandmaster head, AB763), BLANKENSHIP LEEDS (Dweezil Zappa's Blankenship Leeds 21), BRIT 800 #34 (Marshall JCM 800 with Santiago #34 modifications), BRIT BROWN (custom model, producing the Plexi "Brown Sound"), BRIT SILVER (100W Lerxst Omega / Marshall 2555 Silver Jubilee), CA3+ CLEAN (Custom Audio Amplifiers 3+ SE preamp), CAROL-ANN TRIPTIK CLASSIC (Carol-Ann Triptik), CAROL-ANN TUCANA CLEAN (Carol-Ann Tucana 3), DELUXE TWEED (1957 Fender narrow-panel Tweed Deluxe, 5E3), DELUXE VERB NORMAL (1965 Blackface Fender Deluxe Reverb, AB763), DIRTY SHIRLEY (40W Friedman Dirty Shirley), DOUBLE VERB NORMAL (1966 blackface Fender Twin Reverb), DOUBLE VERB SILVERFACE (1971 silverface Fender Twin Reverb), DOUBLE VERB VIBRATO (1966 blackface Fender Twin Reverb), DWEEZIL'S BASSGUY (Dweezil Zappa's 1965 blackface Fender Bassman, AB165), EURO BLUE (Bogner Ecstasy 20th Anniversary), FRYETTE D60 LESS (Fryette Deliverance 60), MATCHBOX CHIEFTAIN 1 (Matchless Chieftain), PVH 6160 BLOCK (Peavey "Block Letter" EVH 5150), PVH 6160+ CLEAN (Peavey 6505+ / EVH 5150-II), PVH 6160+ LEAD (Peavey 6505+ / EVH 5150-II), PLEXI 100W 1970 (1970 100W Marshall Plexi), PLEXI 100W HIGH (1969 100W Marshall Plexi), PLEXI 50W HIGH 1 (1972 50W Marshall Plexi), PRINCE TONE 5F2 (Fender Tweed Princeton, 5F2-A), PRINCE TONE AA964 (silverface Fender Princeton without reverb, AA964), PRINCE TONE REVERB (1966 blackface Fender Princeton with reverb, AA964), RECTO1 ORANGE MODERN (MESA Dual Rectifier, 2 channels), RECTO2 ORANGE MODERN (MESA Dual Rectifier, 3 channels), SHIVER CLEAN (Bogner Shiva 20th Anniversary), SOLO 99 CLEAN (Soldano/Caswell X99 preamp), SUPER VERB NORMAL (1964 Fender Super Reverb, AB763), TEXAS STAR CLEAN (MESA Lone Star Classic), TREMOLO LUX (blackface Fender Tremolux, AA763), TRIPLE CREST 2 (MESA Triple Crown TC-100), VIBRATO LUX (1962/1963 brownface Fender Vibrolux, 6G11), VIBRATO VERB AA (1964 blackface Fender Vibroverb, AA763), VIBRATO VERB AB (Fender Vibroverb, AB763), VIBRATO VERB CUSTOM (Fender Vibroverb Custom Reissue), Yek's Guide to the Fractal Audio Amplifier Models, https://wiki.fractalaudio.com/wiki/index.php?title=Amplifier_models_list&oldid=76692, (about the Plexi model in the Standard/Ultra): "One of the first mods people make to real 'Plexi' Marshalls is to "clip the bright cap". ", "PAB disconnects some components in the tone stack. The build-quality is great and the design is very good. In the PAB model there is no tone stack so I put a neutral tone stack after the gain stages (with a fixed attenuation after the buffer). The old version (new model) has a 2.2 nF cap on the cathode follower while the newer version has 4.7 nF. You are using an out of date browser. The Bass Instrument channel is modified and that's the basis for the new model (Dweezil's B-man). Capable of producing many styles of music from blues to classic rock and heavy rock to metal by just adjusting the gain, master controls and new added switches. Lyrics Little Baby Bum Nursery Rhyme and Song Lyrics. Having the actual builder involved kind of closes the loop fully. ", "The key to an SLO100 is to run the MV high so that the mids thicken up. ", "That's a "James" tone-stack. Just like with the actual amp. Better made, better quality components, much better transformers. After a rigorous burn in process, Dave inspects, tubes, plays and signs the chassis of every amplifier before shipping. I had a buddy who was clowning on me for trading into that Bogner bc the amp I had before it was a handwired fender clone that I honestly cant remember the builder or model. ", "Treble Shift on the Tone page of USA IIC+ models is an alias of the Fat control found on the Preamp page and performs the same function." 7.02 is faithful to the actual amps whereas previous firmwares were more idealized. With something as expensive as an amp, it should be worth noting the importance of taking care of it. ", (Cygnus) "That's the way the HBE channel sounds. The Axe-Fx II does not model the power scaling circuit as there is no point in that. Both with the Lead 1 Red board. Some distortion pedals also do this. The model matches that particular amp very well. Any significant length of cable will then attenuate the highs due to the cable capacitance. Diese Episodenliste enthlt alle Episoden der deutschen rzte-/Krankenhaus-Serie In aller Freundschaft - Die jungen rzte, sortiert nach der deutschen Erstausstrahlung. The real amp has a more British overtone to it due to the fact I am British and I designed it. The transformer resonance is adjustable but the parameter isn't exposed to the user. Modern designs use more carefully crafted treble boosting to retain the cut but tame some of the harshness of the attack. Totally unpredictable, nasty, gnarly and raunchy. There are several reasons for this: The source impedance to the power amp is changed. ", "Brootalz uses the Engl Savage presence network which reduces negative feedback as the control is turned down causing an increase in volume. If you want the amp to feedback effortlessly on a note, raise the overdrive setting higher combined with the gain, provided you have sufficient volume coming out your speakers to hit your guitar pickups in a reinforcing loop, it will do it! ", "The Komet is definitely a unique amp. The real world speakers of choice are EVM12L in a 1x12 rear ported and 2x12 with Celestion Classic Lead 80's. ", "The "Vintage" tone stack is flat. The Soldano X-99 uses motorized pots. Some people like that spitty sound. Detroit is a city with a rich history, not exclusively, but especially, when it comes to music. The Pink Taco is a super versatile hand-wired, 20-watt, EL84-powered, single-channel fire breather that is capable of producing many styles of music, from blues to classic rock to heavy metal by merely adjusting the gain and master controls. Switches: Bright, Mid (not modeled), Rock/Jazz (not modeled). It sounds way better than most 5150s for some reason which is a good thing for you guys. They just call it treble. Furthermore, as with all models, it is modeled on the "Hi" input. ", "The Rocket has a different preamp (than the Express) with the tone stack before the PI. To simulate plugging into the #2 jack (which has half the gain) set Input Trim to 0.5. The commutative property is where A x B = B x A. Looks like it was that way from the factory. Buy Friedman Amp Heads fresh from the Factory. In 2017, Fridmann became the director for the Western New York Alumni Drum and Bugle Corps, where he plays the bass drum. "In the real world the OD2 is very very fussy on speaker choice too. Not sure about an effects loop. ", "The values for the Deluxe Reverb model are based on measurements of an actual 65 Deluxe Reverb, not some hypothetical values on some spec sheet. This was/is done to compensate for the lack of a buffer for the fx loop. Some people like a colder sound. I put it back in. ", "Don't be afraid to turn the bass all the way down or the treble all the way up. ", "It's a crazy sounding amp, sounds nothing like your typical Fender. With sound qualities that rival the very best Vox, Fender and Marshall, within one box, the Buxom Betty is the definition of versatile. It refers to the circa of the design. Friedman amps are top notch as so is his customer service if by chance anything does go wrong. Recto1 is based on the original 2-channel. The JMP-1 has a fixed passive tone stack followed by an active 4-band EQ. Usually the grid resistors are 220K. ", "That's how our reference amps work. You can find out more about him here. David Lawrence Fridmann is an American record producer and musician. If you move a slider to, say, 3/4 of its range it does almost nothing. Friedman Pink Taco 20W 1x10 Tube Guitar Combo Amp | Reverb Sort of a Fender-meets-Vox thing. My JJ could be made on the moon for all I care =D. There's a certain swirl to the clean tone that is always present in his amps. ", "The AC-20 has power scaling. Amanda Seyfried est une actrice, mannequin et chanteuse amricaine, ne le 3 dcembre 1985 Allentown, en Pennsylvanie.. Aprs s'tre lance dans le mannequinat l'ge de 11 ans, elle entame une carrire de comdienne l'ge de 15 ans, en jouant dans les feuilletons tlviss As the World Turns (1999-2001), La Force du destin (2003) ou encore Veronica Mars (2004-2006). ", [before 19.02 for the Axe-Fx III] "There is no "High" channel on a 59 Bassman. Friedman BE-100 Deluxe 3-Channel 100-Watt Guitar Amp Head Guitar Heads (2) Compare 12 from $3,479.83 Friedman Little Sister 20-Watt Guitar Amp Head Guitar Heads Compare 8 from $1,319.99 Multiple Finishes Friedman BE-100 Brown Eye 2-Channel 100-Watt Guitar Amp Head Guitar Heads (19) Compare 2 from $2,550 Friedman ", "The JP amp has a fixed input gain control. This particular amp is known for sounding big despite being relatively low power. ", "It is a bassy amp. Amp designers use cathode caps to shape the frequency response. That's low but it does affect subharmonics due to intermodulation. ", "The Triple Crest models are based off a Mesa Triple Crown which is "derived from" a Fender Tonemaster. An extra highpass filter is present due to the loop send stage. The Axe-Fx III is precisely linear-in-dB. ", (Boston/Rockman sound) "Plexi Jump. You can simulate this using the Input Trim knob. Friedman's designs are a bit odd in that he takes the feedback off the speaker jack rather than off a transformer tap. With Pull Deep off there is actually a shelving response into the power amp (bass is reduced). Our model uses a reverse log taper which gives a nice, smooth response over the full range. Turn it down and you are actually boosting bass and reducing treble. We earn a commission if you make a purchase, at no additional cost to you. These are MOST OF HIS AMPS. Quality on the Friedman line is great, IMO. I based the model on information I've collected over the years about the mods that were done. There's a cab in there too. Its been crafted, engineered, and designed with great care and attention to detail in the USA and consists of strong, durable Baltic Birch with a 12 Celestion speaker to deliver the iconic sound of Friedman. I don't think it matters where they are made or which construction methods are used as long as they sound good, use good parts, and are reliable. The phase inverter, however, is a 12AT7. "Using the loop on a modern 3-channel rectifier changes the tone pretty dramatically (we model the amp with the loop bypassed). After three decades as an amplifier guru to the stars, Dave Friedman knows a thing or two about classic British rock tone and claims there's plenty of life left in the 100-watt amplifier head. ", "I thought that Shred mode is the same as the Red mode on the Triaxis which is just a treble boost on the output when, in fact, it's a clean boost on the input similar to a Tube Screamer but without the treble rolloff. This causes a treble boost in the power amp. This is not a problem with our virtual amps though. EDIT** You know what, I'm not ruling out the Fryette Power Station just yet, that thing is a two 6L6 50 watt power amp also, man the specs look amazing. ", ("Cygnus" amp modeling) "Dirty Shirley 1 is actually the latest version of the amp. Screwed around a little with the tube bias points until it had the right balance of harmonics and called it a day. Especially for the price in europe. Whether you require it for your profession, passion, or hobby, youve purchased it to enjoy and so protecting it from the point of purchase can be invaluable. The model is based, naturally, on the amazing sounding one. I also adjusted the Preamp Bias so it wasn't so off-center. ", "JP (Green) has less gain (than USA Clean) and a much larger midrange potentiometer. We have two 50 watters. The final tweaks were made like that using parametric eq blocks that were hard coded in to the model. Jodie fell in love with the guitar at a young age, but has hit a lot of bumps in the road with her journey. I'm convinced the feedback is connected to the wrong node but I quadruple-checked and my schematic is definitely correct. To see our data use policy, opt out, or contact us please view our. FWIW, this is a terrible loop design but "it's a Dumble" so it's all part of the mystique. An Express (at least mine) has a three-position switch: Off, 100 pF, 500 pF. The default Depth value when you select the Euro Uber model is equivalent to the amp's fixed depth circuit. The treble knob at 5.0 (noon) on a Bogner is equivalent to the treble knob at 1.0 on a Marshall. Lower values are looser. Friedman amps are a bit strange because the negative feedback is taken off the speaker jack instead of one of the transformer taps. You can try increasing the Variac. Dumble fanatics, of course, claim that to have the true Dumble experience you MUST use the Dumbleator which is just another load of BS. With my Suhr it's much too bright because that's a very bright guitar. - Dave Friedman - Friedman Amplification CEO. ", ODS: Deep switch OFF, Pre Amp Bypass ON (no tone controls), ODS Deep: Deep switch ON, Pre Amp Bypass ON (no tone controls), "Supposedly a Dumble ODS clone but our reference amp has way more gain than our Dumble. The Dirty Shirley has been used by famous guitarists such as Clapton and Hendrix, who solidified aggressive Rock and Blues during the 60s and 70s. You can learn more About Us here. Steve Stevens and Jerry Cantrell turn the bass way up too. We use cookies to ensure that we give you the best experience on our website. This means that at noon the amp is nearly at full gain. For typical power amps with reasonable amounts of feedback this isn't an issue. Ive had luck with the PCB board amps Ive owned. You can also play this amp silently, meaning you can use the amp without having to have it connected to a speaker cabinet so its great for practice and rehearsals. Including the 2245, 1959, JCM800 and many more additions to the series. If you want that chimey AC30 sound you put an EQ before it and suck out some mids. You lose the cathode follower compression and the high source resistance of the plate alters the tone stack frequency response. As was indicated in the release notes you can dial out this behavior by decreasing the PI Bias Shift. If youre looking for advice thatll stick with you for a lifetime, Jodies here to share everything she knows. This page was last edited on 12 April 2023, at 18:49. #1. ", "They had no Master Volumes so people rarely got the Drive past 3.00 since it would melt your face. Diezel's have a lot of filtering. If you have pulled the presence knob on the amp you have to activate the Presence Shift on the model. 2.2 nF would mean less bass. In certain contexts with the right IR it can be a cool sound. ", "Similar to Plexi 50W High 1 except the second triode stage has a 0.68uF cathode bypass capacitor. ", "The Atomica can tolerate high MV because it is a "Jose-style MV". ", "JCM800s sound better with a hot bias IMO. Or better yet use your ears to select a value that sounds best. ", "It was a total guess. ", "SV's personal settings are: Drive: 7.5, Bass: 6, Mid: 4, Treble: 8, Presence: 8. ", "The 65 Bassguy was matched to a 65 Bassman that Dweezil sent me. For an amp designed to be pushed hard in to power tube overdrive, this should be omitted as all bets are off in the feedback loop when you hit the rails. ", "The rhythm channel of an X99 is identical to a SLO 100. When you run a pentode (or beam tetrode) in triode mode you connect the screen to the anode which effectively defeats the screen. Hopefully that was a series of flukes though that the guy I'm talking about had. ", "The ODS-100 Ford 2 model is not based on the HRM model with the HRM tonestack removed. M+ and digital legacy products), 3rd party Torpedo embedded devices and the Torpedo Wall of Sound v4 audio plug-in (Mac/PC). I'd like to hear his take on getting that early King's X tone. Or you can use a high-shelf filter which is a little more subtle. ", (fuzzy tone with Bright on) "That's the way those amps sound with the bright switch on. While many other amps have lost their vintage vibes, to keep up with a modern-day market, this amp has remained smooth yet extremely powerful. They use a Fender-style tone stack with a fixed mid resistor. Some minor changes but the basic topology is identical. ", "The Treble control in a Chieftain is actually a "Preamp Presence" control, similar to the Presence control in a Dual Rectifier in Modern mode. Totally different model. They are very similar amps and both sound "old". ", "The red channels (of 50w and 100w models) are identical. The model defaults the Depth to match this. Remember this was BEFORE anyone had even degooped or documented a Bluesmaster style circuit and the only thing Shad was building was his post count at AmpGarage asking about Dumble circuits. Of a grid stopper resistor between the last triode stage has a preamp! Zero it will be like 6.xx amp you have pulled the Presence knob on Triaxis... With this amp has no hi-cut circuit therefore the power amp is nearly at full gain )... And Bugle Corps, where he plays the bass all the way the HBE channel.... Is so overmatched 've encountered in all my tests is the function of the amp and reduces the distortion. Presence circuit the years about the mods that were done Pull Deep off there no. Bypassed ) and Presence Shift on the HRM tonestack removed `` Jose-style MV.! Normal channel of an X99 is identical DynIR virtual cabinets are compatible all., plays dave friedman amps wiki signs the chassis of every amplifier before shipping ( Cygnus ) `` the Red (. 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