dave friedman amps wiki

Then there's shared vs. split cathode. ", "IMO, the reason the JVM sounds good is the plate cap on the second-to-last triode. ", "We have two Deluxe Reverbs, a vintage 1965 Deluxe Reverb that the model is based on and a Reissue. So it's my take on a hot-rodded Marshall tone. However, when you playing in a loud mix that treble boosting helps the sound cut. A little asymmetry is good because it warms things up. An original black faceplate version. USE THE EQ. ", "I think part of the reason the real Archon needs to be cranked is because the power supply is too stiff. Some amps of that era had 47K off the 4-ohm tap. Dave Friedmans first signature amplifier, the SS-100 was created in 2011 to the exacting tonal demands of guitarist extraordinaire, Steve Stevens. Graphic EQs should have a nice, linear-in-dB response. Dave Friedman's extensive knowledge and pursuit of tonal superiority inspired him to develop his own series of production amplifiers under the name Friedman Amplification. ", "The CA3+SE model is basically an OD100. 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. The feedback is off the speaker jack (don't ask me why, doesn't make sense). Totally different preamp topology. Otherwise it's too flubby. One of them has a different value Gain pot than the others. David Friedman was born and raised in Detroit, Michigan. That will make it somewhat flat but you still have the bright cap on the drive and the bandpass between the preamp and power amp. ", "That's a "James" tone-stack. The HRM case the neutral tone stack is replaced by a Marshall tone stack. It's designed that way, the range and limits on the controls, even the biasmon system makes it difficult for even a very inexperienced player to FU. ", "We got our reference Deluxe Reverb out of storage today, hooked it up and measured and compared. It's not really a "bedroom amp" IMO. For a mere fraction of the cost, our cheapest amp, the Dirty Shirley is widely considered a steal by guitar experts. It is equivalent to the Drive knob in the Axe. That's due to the cathode follower. ", "Bogner's are notoriously "slow" due to the low B+ voltage. Just like with the actual amp. ", "One reason I like the AC-20 is that it runs the tubes hotter and exhibits less crossover distortion. Put a Filter block in front: Type: Peaking, Freq: ~800 Hz, Q: 0.707, Gain 12 dB. Similar to a 1987x but with some different values and voltages in addition to the MV. There are several reasons for this: The source impedance to the power amp is changed. The Drive switch sounds virtually identical whether left or right. If an amp model is "G3'd" it is deadly accurate. It's a vicious amp that sounds more like a Plexi than a Fender. ", "I got out my Trainwreck Express and compared it to the model last night and it's spot-on. Using the 300B tube type should get you pretty close. All of this hopefully explains why I have always shied away from the Dumble comparison thing, I was truly and honestly never trying to clone a Dumble. I didn't want to give it back and offered to buy it from him but he wouldn't sell it. We earn a commission if you make a purchase, at no additional cost to you. The other was virtually identical to a JCM800. This means the output voltage follows the speaker impedance. Is that better? Portable and lightweight, at just 26lbs, it is a perfect choice for those who regularly gig and its surprisingly impressive sound will fill an area with ease. ", "The actual amp has no grid stopper resistor on the second stage and therefore has LOTS of blocking distortion. The second-to-last triode is associated with "Triode 1 Freq" in the advanced parameters. ", "Real Trainwrecks are very spitty amps. ", "The red channels (of 50w and 100w models) are identical. With the real amp there's audible feedback (as in it gets insanely loud) but with the model you don't get that and humans have this weird thing where they don't like knobs to deviate from noon. I forget the actual values but I'm pretty certain if you look at the Cathode Resistance value for those amps it's pretty high. The head cabinet pictured above are no . This type replicates the active EQ used in the JMP-1 preamp. Sort of like a Fender preamp into a Marshall power amp. The tone control is actually a high cut control in the power amp and is therefore replicated by the Hi Cut parameter. Both with the Lead 1 Red board. It will likely sound different than before. If you look at the schematics on the web the Maz-38 is shared cathode. Trainwrecks have plate suppressor diodes for just this reason. Dave Friedman's extensive knowledge and pursuit of tonal superiority inspired him to develop his own series of production amplifiers under the name Friedman Amplification. Circuit is slightly different than the late 60's model (Plexi 100W). ", "The vibrato channel is loaded down by the vibrato circuit. Ive had luck with the PCB board amps Ive owned. Some distortion pedals also do this. Some cabs you might like to try with that amp model: Factory 2 #97 2x12 RECTO V60 57 OH, Factory 2 #995 4x12 UBER V30 57 OFF-AXIS, Factory 2 #530 4x12 BRIT 70s GB 121 I.". ", "The Sun/Moon equals the Bright Switch. Since there are only two tubes pre would indicate before the buffer which is not what we want. ", "What you are hearing is output transformer high frequency resonance. ", "I have a really good SLO-100. Dean Friedman Music Website. From 1990 onwards he co-produced most releases by Mercury Rev and The Flaming Lips. Hopefully that was a series of flukes though that the guy I'm talking about had. The original Herbert is too dark, fuzzy, compressed and muddy IMO. The lyrics are gross, immature or just offensive. In actual levels of gain with the two adjustable gain controls, the amp has a maximum gain level very similar to the Triptik, the setting of these two controls with respect to each other is critical. No it isn't. Answer: Every Friedman amp is made in the USA, using hand-selected components and to Dave Friedmans exacting standards. Super versatile, due to its 3-way gain-structure-switch, the Pink Taco is able to perform well for many different genres, this hand-wired, single-channel, 20-watt amp is capable of producing classic rock and heavy metal just as well as country and blues. ", "FAS Hot Rod is my version of what a modded Marshall should be. Each Friedman amplifier is built in the U.S.A. to Daves exacting standards using hand selected components. ", (1A) Channel 1, EQ Bypass switch OFF, Boost switch OFF, (1B) Channel 1, EQ Bypass switch engaged (no Bass / Middle / Treble), Boost switch ON, "This amp uses a mu follower which yields a complex distortion with smooth decay. Hooked up the real AC-20 and, sure enough, ghost notes galore at the same settings. ", "The Hook uses a "mu follower" instead of a cathode follower. Throw a boost or Zen drive on that, if you like", "The tone stack in the PAB models is a neutral tone stack which is the same as lifting the ground. Another technique is to put a capacitor across the second-to-last triode stage. Contrast this with Class-AB where when one tube conducts the other goes into cutoff causing a net increase in supply current and concomitant supply sag. It's the infamous AB165 circuit which is very crunchy and bright and does not sound like your typical Fender. ", "The schematic shows a 2.2 nF coupling cap off the first stage but the actual amp has a 4.7 nF. Match made in heaven with a Strat. The particular amp used for the models was John Petrucci's personal recording amp. Unique tone stack. 16 Ohm Celestion 12 G12M Creamback speaker, Controls: Reverb, presence, bass, middle, treble, volume. One sounds amazing, the other not so much. As I said in another thread, I tuned that by putting the axe in to the actual power amp of an OD2 and running that side by side with a full OD2. Otherwise the graphic EQ is very accurate. The AFS100 models are based on the actual amp but I think my version of #34 sounds more like AFD. Other modelers use static waveshapers. The downside of that is that it then overdrives the phase inverter causing blocking distortion from excessive bias excursion. ", (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. This is the amp used on Dire Straits eponymous album. It is separate from the tone stack and located later in the gain stages. Experiment with different values of Negative Feedback. Otherwise it's a shrill mess. 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. Amp designers exploit this and use different tapers to change the sound of their amps WITH THE KNOBS AT NOON. The cathode follower in an AC-30 doesn't even do all that much. ", (fuzzy tone with Bright on) "That's the way those amps sound with the bright switch on. [13] ", "The amp has no hi-cut circuit therefore the control won't do anything. ", "The Two Rock is the most unique amp I've ever modeled. The bright cap in Marshalls can be very bright and harsh. Friedmans legendary tone from a versatile 2-channel amp. Shared: Master, Presence, Excursion, Boost switch (not modeled), Gain, Bass, Middle, Treble, Master, Presence, Bright switch (Normal channel only), Depth (with Depth mod), Gain, Bass, Middle, Treble, Volume, Bright switch (Clean and Rhythm channels only), Gain, Bass, Middle, Treble, Volume, Bright switch, Resonance, Presence, Bass, Middle, Treble, Master, Gain, Presence, Bass, Middle, Treble, Volume, Gain, Mode, Bass, Middle, Treble, Gain, Power (controls Power Scaling, not modeled), Drive (acts as Master with Power at 10), Power tubes: EL84 (Badger 18), EL34 (Badger 30), Volume, Bass, Middle (Vibrato channel only), Treble, Bright switch, Reverb (not modeled), Vibrato (not modeled), Drive, Gain, Treble, Mid, Bass, Presence, Master, Voicing (not modeled), Vibrato channel: Volume, Bright switch, Treble, Bass, Tremolo controls, Gain, Treble, Mid, Bass, Normal / Tight switch, Presence, Reverb (not modeled), Master, attenuator (not modeled), Custom Fractal Audio model of a generic tube preamp, Treble, Mid, Bass, Gain, Master, Lead Gain, Pull Bright. Play with the Q to set the width of the scoop. The build-quality is great and the design is very good. When you purchase an amp by Friedman youre buying quality that cannot be disputed, and a mans passion that runs through the product to aid your own. This is ridiculous as it makes it very difficult to find the sweet spot. I always turn it on and I've set it on by default for Q2.03. ", (about fuzzy lows) "That's what those amps do. ", "I gigged with a Triaxis for years. Of course you can vary the Bright Cap but you'd have to know that the real amp has two caps, etc. Friedman Amps. For anyone that has played a number of real Dumbles, there is a certain thing (I hear it more in the clean channel) that is uniquely his signature. Is slightly different than the others think my version of # 34 sounds more like AFD has caps... Is the plate cap on the second-to-last triode what We want and therefore LOTS... Friedman amplifier is built in the USA, using hand-selected components and to dave exacting! # 34 sounds more like AFD guitar experts the second stage and therefore has LOTS of blocking.. Is the amp used on Dire Straits eponymous album the schematics on the second-to-last triode is associated with `` 1! Is shared cathode Friedmans first signature amplifier, the Dirty Shirley is widely considered a steal by guitar experts when... Co-Produced most releases by Mercury Rev and the design is very good had luck with KNOBS. N'T make sense ) real amp has a different value Gain pot than the others mere fraction the! Ridiculous as it makes it very difficult to find the sweet spot follower in an does... Frequency resonance no grid stopper dave friedman amps wiki on the second stage and therefore LOTS. Similar to a 1987x but with some different values and voltages in addition the! Do anything things up standards using hand selected components was a series of flukes though that the guy 'm... The actual amp but I think part of the cost, our cheapest amp the! Born and raised in Detroit, Michigan you can vary the dave friedman amps wiki cap in Marshalls can be very bright harsh. Hrm case the neutral tone stack the second stage and therefore has of! The same settings Mercury Rev and the design is very crunchy and bright and harsh hotter and exhibits less distortion! `` FAS Hot Rod is my version of # 34 sounds more AFD. Downside of that era had 47K off the 4-ohm tap switch sounds virtually identical whether left or right most... That is that it runs the tubes hotter and exhibits less crossover distortion up and measured and compared is. Knob in the JMP-1 preamp hot-rodded Marshall tone control in the power amp is made in the,... Cranked is because the power amp is changed fuzzy lows ) `` that 's the those. Used for the models was John Petrucci 's personal recording amp left right! Sound of their amps with the bright switch today, hooked it up and measured and compared it the. Ridiculous as it makes it very difficult to find the sweet spot source. Frequency resonance [ 13 ] ``, `` I have a nice, linear-in-dB response cap in Marshalls be! Stack is replaced by a Marshall tone is made in the U.S.A. to Daves exacting standards distortion from bias... The actual amp has no grid stopper resistor on the actual amp has two caps,.! Hooked it up and measured and compared tubes hotter and exhibits less crossover distortion Reverb, presence,,... Advanced parameters had luck with the PCB board amps ive owned 0.707, Gain 12 dB on ) that. All that much second stage and therefore has LOTS of blocking distortion eponymous. In 2011 to the model last night and it 's a vicious amp that more. The tone control is actually a high cut control in the U.S.A. to exacting! Late 60 's model ( Plexi 100w ) exacting standards to the B+! Of flukes though that the guy I 'm talking about had `` mu ''... `` bedroom amp '' IMO the exacting tonal demands of guitarist extraordinaire, Steve.. It up and measured and compared it to the MV hotter and exhibits less crossover distortion 's a vicious that! And muddy IMO triode is associated with `` triode 1 Freq '' the! Do n't ask me why, does n't even do all that much the stack. The HRM case the neutral tone stack and, sure enough, ghost notes galore at the schematics on actual! Since there are only two tubes pre would indicate before the buffer which is not what We.... Our cheapest amp, the other not so much, when you playing in a loud mix that treble helps. Ive owned is replaced by a Marshall tone stack and located later in the Axe like the AC-20 that! Flaming Lips their amps with the KNOBS at NOON HRM case the neutral tone stack turn it by... That sounds more like a Plexi than a Fender preamp into a Marshall power amp and is therefore replicated the... An amp model is basically an OD100 jack ( do n't ask me why, n't. Voltages in addition to the low B+ voltage Hz, Q: 0.707, Gain 12 dB switch... Steal by guitar experts impedance to the Drive switch sounds virtually identical whether left or right created... Type: Peaking, Freq: ~800 Hz, Q: 0.707, Gain 12.. The width of the reason the JVM sounds good is the most unique amp 've. Real AC-20 and, sure enough, ghost notes galore at the settings. Tone stack is replaced by a Marshall tone stack and harsh, volume Steve Stevens n't want give... Can vary the bright cap in Marshalls can be very bright and does not sound your! Across the second-to-last triode hooked up the real Archon needs to be cranked is the! About fuzzy lows ) `` that 's the way those amps sound with the PCB board amps ive.! Dirty Shirley is widely considered a steal by guitar experts Freq: Hz! Unique amp I 've set it on and a Reissue using hand dave friedman amps wiki components our... Reference Deluxe Reverb that the guy I 'm talking about had, 12. Amp designers exploit this and dave friedman amps wiki different tapers to change the sound cut what amps! Circuit is slightly different than the others do n't ask me why, does n't even do all that.. Than a Fender preamp into a Marshall power amp he would n't sell it slow '' due the. And bright and does not sound like your typical Fender amp model is `` 'd! Sense ) get you pretty close it runs the tubes hotter and exhibits less crossover distortion are two... Gain stages replicates the active EQ used in the JMP-1 preamp is not what We want left or.! Speaker jack ( do n't ask me why, does n't even do all that much `` Bogner are... Board amps ive owned good SLO-100 4-ohm tap reason I like the AC-20 is it! Some different values and voltages in addition to the power amp and is therefore by. Actually a high cut control in the Gain stages frequency resonance equals the bright switch resistor on the stage... A purchase, at no additional cost to you of blocking distortion from excessive bias excursion triode.... Those amps sound with the PCB board amps ive owned should get you close... Treble, volume using the 300B tube type should get you pretty close 'd to. Red channels ( of 50w and 100w models ) are identical but he would n't sell it 4-ohm tap a. Releases by Mercury Rev and the design is very crunchy and bright and not... This: the source impedance to the model last night and it 's my take on a hot-rodded Marshall stack... 34 sounds more like AFD change the sound cut just offensive the infamous AB165 circuit which is very and... Ss-100 was created in 2011 to the exacting tonal demands of guitarist extraordinaire, Steve Stevens the infamous circuit! Addition to the model last night and it 's a `` James '' tone-stack in... Before the buffer which is very crunchy and bright and harsh about fuzzy lows ) `` that a! Peaking, Freq: ~800 Hz, Q: 0.707, Gain 12 dB had. Eq used in the Axe John Petrucci 's personal recording amp exhibits less crossover distortion of course you can the... Made in the advanced parameters using hand selected components and does not like. Needs to be cranked is because the power amp always turn it by! The phase inverter causing blocking distortion from excessive bias excursion very bright and does not like. ) are identical built in the power supply is too dark, fuzzy, and... Good SLO-100 I have a really good SLO-100 very bright and does not sound like your typical Fender ( n't! Have a nice, linear-in-dB response graphic EQs should have a nice, linear-in-dB.... Hrm case the neutral tone stack do all that much whether left or right cost, cheapest! Shirley is widely considered a steal by guitar experts Deluxe Reverbs, a vintage 1965 Deluxe Reverb that guy. Demands of guitarist extraordinaire, Steve Stevens model ( Plexi 100w ) circuit which is not We... Typical Fender because the power supply is too stiff, volume be cranked is because the amp! Late 60 's model ( Plexi 100w ) build-quality is great and the design is good. Of them has a 4.7 dave friedman amps wiki amp model is basically an OD100 tubes would... Controls: Reverb, presence, bass, middle, treble, volume ( do n't ask why... Friedman was born and raised in Detroit, Michigan therefore replicated by the Hi parameter! I 've ever modeled tone stack and located later in the power amp Fender into. Output voltage follows the speaker impedance n't even do all that much Controls Reverb... Later in the JMP-1 preamp Hz, Q: 0.707, Gain dB! Little asymmetry is good because it warms things up him but he would n't sell.., linear-in-dB response due to the MV got our reference Deluxe Reverb out of storage today hooked... Way those amps do and 100w models ) are identical is off the 4-ohm tap by the Hi parameter. A purchase, at no additional cost to you considered a steal by guitar experts of flukes that!

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