May 16, 2008. When it came time for Dave to design his own line of pedal boards, everything a touring or home guitar player actually needs was meticulously thought out and addressed. The "Warren Haynes" mod is a popular mod to reduce the brightness. I just sounds glorious. I personally don't like it. With a 20 watt compact combo, the JJ-Junior lets you take the stage, studio, or jam session with total confidence. That amp was one of the primary amps used in the G2 modeling development. The Rivera Rock Crusher and Ultimate Attenuator seem to get really good praise with 100 watt amps. To everyone else, we are in the golden age of guitar equipment. Some distortion pedals also do this. Using the 300B tube type should get you pretty close. A well designed PCB is the best way since it makes things more consistent and allows for shorter runs between the tubes and traces actually making it closer to point to point depending on the design. More often used on tube hi-fi gear the controls are less interactive than a typical guitar amp tone stack and impart a different tonal quality. In this case you would then double the feedback on top of the 3.3 so 9.9 or so. ", (2A) Channel 2, Bright1 switch left, Bright2 switch left, Gain Style switch left, (2B) Channel 2, Bright1 switch left, Bright2 switch right, Gain Style switch left, (2C) Channel 2, Bright1 switch left, Bright2 switch left, Gain Style switch right, (2D) Channel 2, Bright1 switch left, Bright2 switch right, Gain Style switch right, "The amp was modeled with the Voicing switch in the middle position. A JTM45 with a bright cap is similar to a Superlead. Not sure about an effects loop. ", "A JP IIC+ is not a Mark IV. Clean to "Cinammon Girl" with the volume knob. We have two JCM800s and this particular amp sounds way better than the regular one with the rocker type power switches. Urban Lyrics R amp B Rap Hip Hop Soul Gospel Reggae Lyrics. The preamp is virtually identical to a Twin Reverb but 6V6s break up earlier than 6L6s. Some people like that spitty sound. I don't know what it is but there is something in the voicing. Turn down the MV to make it cleaner. You can reduce it by turning on the Plate Suppressor diodes. This amp is perfect for metal and rock, both at home or on the road. The result of a decades-long pursuit of tonal superiority by amp guru Dave Friedman. We earn a commission if you make a purchase, at no additional cost to you. They're biased clockwise. ", "I have an actual Slash signature model and spent a lot of time measuring, listening and comparing. We earn a commission if you make a purchase, at no additional cost to you. [13] It's the infamous AB165 circuit which is very crunchy and bright and does not sound like your typical Fender. Adjust LF Res, Freq and Q to get desired response. ", "SLO 100s are NOT smooth amps. The model defaults to the bright cap in the circuit. ", " If you plug into a real Deluxe the "unused" control effects the sound. With PAB active this lowers the lowcut frequency. Our model uses a reverse log taper which gives a nice, smooth response over the full range. The biggest difference is in the behavior of the Presence Shift. ", (about fizz) "It's the way a Plexi is supposed to sound. Steve Stevens and Jerry Cantrell turn the bass way up too. This page was last edited on 12 April 2023, at 18:49. Our model also uses local feedback on V1B (which is about 2-3 dB less gain) and accounts for the voltage divider's affect on the AC load line. That's definitely a "newer" technology, plus Friedman has an officially licensed amp sim through Universal Audio and says nice things about the OX cab emulator. ", "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. The corner frequency is around 30 Hz. The key to JCM800's is to crank the MV to overcome the brightness of the preamp. If an amp model is "G3'd" it is deadly accurate. ", "The actual amp has no tone stack and a single tone control. You can find out more about him here. To derive from Classic American Clean to Classic British Crunch all you need to do is turn up the volume knob its that simple and the results are incredible. ", "The Mid switch, sometimes labeled "Deep", shorts out the 390 pF cap in the tone stack (which is in series with a 2 nF cap). That IR is from my personal 1962 Vibrolux. I don't mind who makes it as long the quality is just as good. The original Herbert is too dark, fuzzy, compressed and muddy IMO. ", "I always lower the negative feedback. Personally I hate the 39K resistor. ) - Alice in Chains, 28 2013 Capitol Records. ", "A Recto is not a Mark series amp. Urina kiselina toksinija za tkiva nego bilo ksantin ili hipoksantin. That's why there are two separate models. Set up as normal, plug in the XLR and youre ready to rock. The Tucana falls in to this category. ", "Those amps make a lot of IMD. Both in mint condition. We use cookies to ensure that we give you the best experience on our website. ", "A DR is numbered 1-10 so 3 on a DR is around 2.2 on the Axe-Fx. You can also try reducing the Master Bias Excursion but that won't get rid of the pre-drive control distortion. ", "Many people find SLOs too bright. The real amp has a more British overtone to it due to the fact I am British and I designed it. For cleaner sounds it tends to be objectionable. All that is left then is the 2 nF cap. ", "The model is based on the custom version which has higher plate voltages which causes more overdrive on the power tubes. The Dirty Shirley is a versatile and budget-friendly option. The Bright channel model is selected by turning on the Bright switch. The Axe-Fx triode models incorporate feedback so if there is a virtual cathode cap the stage is less linear in addition to having more gain. ", (Def Leppard) "The amp model you are looking for is "JMPre-1 OD1". 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. For a given voltage into the power amp a 6V6 has about 70% of the headroom compared to a 6L6. It's not as harsh with a warmer high end. In the virtual realm we can have lifted tone stacks that actually still work. Answer: Every Friedman amp is made in the USA, using hand-selected components and to Dave Friedmans exacting standards. ", "Don't be afraid to turn the bass all the way down or the treble all the way up. Fryette Power Station would be nice but I'm not wanting to drop that much. 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). There are now three "Voicings": V1, V2 and V3 corresponding to the three positions of the Voice switch. If you have pulled the presence knob on the amp you have to activate the Presence Shift on the model. However, you'd be surprised that a Twin isn't nearly as clean as you think. ", "The Triple Crest models are based off a Mesa Triple Crown which is "derived from" a Fender Tonemaster. Our model is based on the Canadian one. As no two Dumbles are identical it stands to reason that one person's interpretation of the ideal Dumble voicing may not agree with another's. In the first Tonetalk episodes, his statements weren't so direct and he called Profilers and Axe-FX good tools for certain things. ", "The 50W version has a different input network than the 100W version for that channel. Any significant length of cable will then attenuate the highs due to the cable capacitance. Furthermore, Friedman personally inspects, plays, and even signs every single amplifier before shipping! ", "The "Treble" knob on the Chietain model is actually Preamp Presence. This makes the MV even more sensitive than usual since theres another interaction going on. I prefer hand wired. ", 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. The real amp has a fixed, passive tone stack with an active 4-band EQ. It's wired backwards so turning it CW gets brighter. There is a Normal and Bright channel. Handmade in the USA its a premium amp with an incredible broadcasting volume that can come as a surprise. Experiment with different values of Negative Feedback. Diezel's have a lot of filtering. Whichever you buy is going to be a good-quality, reliable piece of kit after all, their creator takes the time to personally check each one before dispatch or so it is claimed. Mesa knew this and the Lead 2 modes on the Triaxis all had the treble shift engaged by default. ", (fuzzy lows) "That's what those amps do. Once the power amp starts clipping the tone will change. If you use Authentic controls there is no Input Gain on "Gain". QA on Friedman solder joints is pretty terrible from what I hear. ", "Rectos don't have a Depth control and even if they did it wouldn't do anything in Modern Red mode since that mode has no negative feedback. 7.02 is faithful to the actual amps whereas previous firmwares were more idealized. I don't like it in the middle. We have chosen to focus just on combo amps and ignore amp heads for fairness. Dave Friedman (right) with Joel Hoekstra of Whitesnake [Image: Jeff Schultz] The real world speakers of choice are EVM12L in a 1x12 rear ported and 2x12 with Celestion Classic Lead 80's. BE-100 Deluxe: Thump control. . AC-30's are very sensitive to the tube type and part tolerances. The other is a "regular" one with the rocker switches. David Friedman, the birth name of David Benioff (born 1970), American screenwriter Dafydd ab Hugh (David Friedman, born 1960), science fiction/fantasy writer; political weblogger David D. Friedman (born 1945), anarcho-capitalist writer, economist, and medieval reenactor David Friedman (poet), American poet Law [ edit] This amp has been designed specifically to be able to take pedals well too. In 2017, Fridmann became the director for the Western New York Alumni Drum and Bugle Corps, where he plays the bass drum. To see our data use policy, opt out, or contact us please view our. Probably not. This lowers the output impedance of the plate significantly which, in turn, lowers the output impedance of the amp itself making the voltage output less dependent on the speaker impedance. Made from Baltic Birch, and handcrafted with pride in the USA this is a sturdy build that can be relied upon on stage or the road. Here we take a steep jump, as regards price, from the Dirty Shirley to look at our second lowest-priced Friedman amp the Jerry Cantrell JJ Junior Signature Tube Combo. If a knob isn't present in the Authentic menu then it may not do anything in the Ideal menu. Tm on luettelo vuonna 2012 kuolleista tunnetuista henkilist. ", "JP himself gave the models his stamp of approval. Often called ' the best amplifiers ' in the online guitar world, Friedman amps have an excellent build quality, high and low inputs, awesome loop and master, and are fun to play, requiring minimal tweaking. ", "A 6505+ is identical to a 5150 except it has no bright cap. The schematics are readily available for both so anyone interested can see for themselves. It's a unique compression and the amp "opens up" at the same time and crossover distortion increases. The natural compression works well in keeping the tone tight and controlled and it performs well at bedroom volume or on the stage. There are two gain stages. From 1990 onwards he co-produced most releases by Mercury Rev and The Flaming Lips. If you were to set the model's slider to the same position you would get significantly more boost. IMO they should've made the plate voltage around 420V. So cool. On the real amp the controls do virtually nothing until you get near the ends of the range. Most "Class-A" amps use a shared cathode bias but the Chieftain uses separate cathode bias networks which results in less bias shift so there's less fizz. ", "It's unique character comes from the PI. The cathode follower in an AC-30 doesn't even do all that much. Same transformers. Adjust Presence to taste. The commutative property is where A x B = B x A. It's probably an SLO100 power amp too but I'd have to check. "There's a treble cut on the tone stack and a some minor changes to the power amp and power supply but it's basically a ripoff. The low E string is 82 Hz so it's right in that zone. After a rigorous burn in process, Dave inspects, tubes, plays and signs the chassis of every amplifier before shipping. You can see this is you run Tone Stack Calculator for the Marshall tone stack and increase the source resistance. ", "The 65 Bassguy was matched to a 65 Bassman that Dweezil sent me. Dave Friedmans extensive knowledge and pursuit of tonal superiority inspired him to develop his own series of production amplifiers under the name Friedman Amplification. Without that it doesn't sound like a Deluxe and you can't do the Neil Young thing. ", "Our reference amp has a 100 pF bright cap. I always use the Presence Shift. For a better experience, please enable JavaScript in your browser before proceeding. The model is based, naturally, on the amazing sounding one. Set Negative Feedback to 3.6 to reproduce the switch in the middle position. ", "The mode in the Mark V is based on the later SimulClass version. ", 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. ", (about the Tech Note) "Applies to the Liverpool because the preamp is almost identical to the Express. I could never get the model to sound exactly like our reference amp. Both volume controls affect the signal. The unique thing about a Dual Recto tone stack is that the Presence control is part of the tone stack. ", (simulate Class-A mode) "Turn Power Tube Grid Bias all the way up. ", "If you want that Recto crunch but not so flubby and fizzy try the SOLO models. As there is no switch for this in the Axe-Fx it requires a separate model. Dave Friedmans first signature amplifier, the SS-100 was created in 2011 to the exacting tonal demands of guitarist extraordinaire, Steve Stevens. People who want squeaky clean usually turn the Bright Switch off on these amps. ", "Real amp does this. I just used a standard Marshall tone stack whereas the JMP-1 uses a standard Marshall tone stack but the pots are replaced with fixed resistors but those values don't necessarily correspond to the pots at noon. You must log in or register to reply here. Better made, better quality components, much better transformers. ", (about the Trainwreck Express) "That amp exhibits a lot of blocking distortion (in the phase inverter) due to its design. I wanted an amp that would have a little more gain than a JCM-800 but with the character of a Plexi without any fizz or harsh upper mid/lower treble frequencies. Check Price Dave Friedman is the man behind the signature tones of rock icons Eddie Van Halen, Steve Stevens and Jerry Cantrell. The JJ-Junior still gives you the same 2-channel, EL-powered tone that has carved out a legendary place in rock. ", Based on latest version of amp. The worst thing is that many PCB amp get a bad name because some companies use single sided boards that have no traces on top and no plated thru holes which are basically the eyelets. The model is MIMIC'd and is extremely accurate. That bias excursion, however, causes the amp to sound more open when driven hard (at the expense of crossover distortion). That smooths out the tone considerably. ", "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. There's nowhere I would ever be able to get the amp to the point of pushing the power tubes in to overdrive. ", "The key to an SLO100 is to run the MV high so that the mids thicken up. Unfortunately the bias points aren't exposed to the user. It's a vicious amp that sounds more like a Plexi than a Fender. The treble cap is still in the circuit path. ", "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. The JMP-1 has a fixed passive tone stack followed by an active 4-band EQ. ", "I think part of the reason the real Archon needs to be cranked is because the power supply is too stiff. You can reduce the compression in the models by lowering the Compression parameter in the Cathode Follower section. For overdriven sounds some find it desirable. That's why the buzzing went away when you increased negative feedback. ", "The BE has very light power supply filtering like old Plexis. ", "Try the Plexi 100W 1970 with Factory Cab 54. It's not really a "bedroom amp" IMO. Here we look at the commonly asked questions and queries about Friedman Amps. ", "The Depth knob is inactive on that amp model. ", "C45 is a treble boost on the input. Then there's shared vs. split cathode. Weve taken the time to draw up 5 highly popular tube amps, from 5 different brands, that are suitable for live performers: Supro Black Magick Reverb 25W 112 Tube Guitar Combo Amp Fender Blues Jr IV Marshall DSL5CR 5W 110 Tube Guitar Combo Amp Orange Amplifiers TremLord-30 30 Watt 1X12 Combo Vox Custom AC15C1 15W 112 Tube Guitar Combo Amp. Power would be unsuitable at bedroom volumes! 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 actual amp has no grid stopper resistor on the second stage and therefore has LOTS of blocking distortion. What I didn't do, and why people probably feel the model differs, is "normalize" the tone controls so that with B/M/T at noon the tone stacks match. I'm convinced the feedback is connected to the wrong node but I quadruple-checked and my schematic is definitely correct. Even the greatest guitar in the world can sound pretty dire if played through a poor-quality amp. ", "They're pretty awesome amps but to sound great you have to crank 'em and they're ear-splitting loud. ", "The Quick Rod is a bit odd in that the Drive pot is linear taper. I feel people need to approach this model very simply. The Drive switch sounds virtually identical whether left or right. 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. - 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. Often called the best amplifiers in the online guitar world, Friedman amps have an excellent build quality, high and low inputs, awesome loop and master, and are fun to play, requiring minimal tweaking. Around 4 or so. For the Plexis I have the damping set to flat with no resonance because that's how our vintage Plexis measure. Dean Friedman Music Website. My guess is that Mesa found that turning the midrange down sounds best (and it does) so they changed the pot taper to do this automatically since noon on a Log10 pot is equal to a 1.0 on a linear pot. With the Presence Shift on the JP IIC+ will be very similar to the Mark IV with its Presence Shift on. However, 2500 amps later its not really seen that way any more as the CA's have always had their own thing going on tonally that is very much more in a modified Marshall vein. ", A Mark V is a greatest hits of the Mark IV and IIC+. The other models are based on our original "Marsha". In this case the voltage divider would be 26.7/317 = 0.084. One of them has a different value Gain pot than the others. ", "They're simple amps with minimal tone shaping. The models assume the Overdrive Volume is at maximum. The impedance ratio is about twice that of other amps. ", "Another caveat when comparing amps: many times the knobs aren't "centered". ", (Cygnus) "The model was completely redone. ", "It's a vertical input Canada export version. ", "Real world, it has the same amount of actual gain as the Triptik. Here are some tips: The old version of the model incorrectly referenced the Mark IV tone stack. $249.00. Since V1 is running clean you can get more gain by simply increasing Input Trim. The BludoMix Cab in factory firmware is a 1x12 Alnico dual port cab, and will sound good but perhaps a tad darker (great for Jazz) on clean sounds than the G12-65H will. Dave has been building, modding and repairing amplifiers for many of the world's biggest stars for the past 25 years. Another thing to try is to increase the Grid Clipping value which will add a little headroom. Tone stacks are almost always post-distortion. The 2:90 power amp is basically the same as a MarkIV and does have a presence shift but it's accessed through a jack on the back (Voicing). "In the real world the OD2 is very very fussy on speaker choice too. The matching cabs are 16 ohms but if you use an 8-ohm cab you'll get 30% less feedback. This causes a lot of distortion and also a lot of bias excursion before the drive control with no way to control it. A newcomer to the scene of boutique-style, small-sized amps from Friedman is the Runt-50. For all the hoopla surrounding Trainwrecks they're actually pretty bad designs. The V1 and V2 are based on Mark Day's BE100. I emailed Mr Dave Friedman a few months back and I asked if he could build me a simple single channel amp that's built to Ed's spec, something with a variac switch that drops the voltage similar to my Phil X amp. Thats common knowledge, I've talked about it in depth many times. The problem with most cathode biased Class A amps is, 1: they aren't really Class A (more like hot Class AB) and 2: They go into Class B operation when they are overdriven. I find the BE/HBE a little too boomy and scooped. Increase the Damping parameter to increase the negative feedback. M+ and digital legacy products), 3rd party Torpedo embedded devices and the Torpedo Wall of Sound v4 audio plug-in (Mac/PC). ", "AC30's have no negative feedback on the power amp. The knobs are a bit confusing on a Badger. ", "Some of the undesirable characteristics are what makes a particular amp unique. Although, previous buyers have considered this overpriced. A prime example are Bogner amps. ", "If you are using the Modern mode then it's all about the Spkr page. ", "So I was testing the next beta and selected the AC-20. The Rumble cab is unique in that it is ported and has two different types of speakers in it. 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.). For example, on the Normal channel of a Plexi most people turn the bass way down. Both the hand-wired and PCB stuff. It's a wicked amp but not something I would recommend for anything but large gigs. Changing it to Mid would put it after the first gain stage. I believe the SLO100 was one of the first amps to do this. The Tube Pre model uses the Vintage tone stack. The final tweaks were made like that using parametric eq blocks that were hard coded in to the model. In certain contexts with the right IR it can be a cool sound. Is that better?
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