", "Bogner's are notoriously "slow" due to the low B+ voltage. ", "Based on the Lead 1 Red mode of a Mesa Triaxis preamp with the TX-4 board.". Camerons are pretty much wide open. Like most boutique amp makers Friedman's designs have evolved over time with changes to the circuit. One thing though about 1/8" boards which I used to use. 9 of 9 Items The Gear Page is the leading online community and marketplace for guitars, amps, pedals, effects and associated gear. Like a Rockman. The comparison was between the model and the Reissue because the vintage amp is worth a small fortune and I only use that when actually working on models. ", "The Bright switch on clean and crunch channels does not engage a capacitor on the drive potentiometer as is typical but instead disengages a treble cut circuit", 1969 100 watts, Normal and High Treble channels jumpered, 1972 50 watts, 6550 power tubes, jumpered channels, 1981 50 watts JMP with master volume, EL34, 1972 50 watts, EL34, High Treble channel ("High 1"), 1972 50 watts, EL34, High Treble channel ("High 2") (2nd triode stage has a 0.68uF cathode bypass capacitor, which was added in the early 70s and gives a slightly brighter tone), 1972 50 watts, EL34, Normal and High Treble channels jumpered, "1970 Marshall 1959SLP 100 has a darker, smoother sound than earlier Plexis. ", Recto1: original 2-channel Rectifier, Orange channel, Modern mode, Recto1: original 2-channel Rectifier, Orange channel, Vintage mode, Recto1: original 2-channel Rectifier, Red channel, Modern mode, Recto2: later 3-channel Rectifier, Orange channel, Modern mode, Recto2: later 3-channel Rectifier, Orange channel, Vintage mode, Recto2: later 3-channel Rectifier, Red channel, Modern mode, Recto2: later 3-channel Rectifier, Red channel, Vintage mode, "The reason you're hearing the highs rolled off is because the Master is too high. Check Price The Bright channel model is selected by turning on the Bright switch. So I took the old Recto models and made them "Thordendal" models. Be sure to dial it in like you would in 1970, i.e. ", "The Rectifier preamp is almost identical to an SLO100." ", (Def Leppard) "The amp model you are looking for is "JMPre-1 OD1". There are several reasons for this: The source impedance to the power amp is changed. ", "Mesa claims it's based on the IIC+ but it's different. If you use them into an 8-ohm cabinet they're brighter. ", "If you want the sound of the non-SimulClass version set Triode 1 Plate Freq to 1350 Hz. The bright cap in Marshalls can be very bright and harsh. Yek's write-up, Cab: Bogner 1x12 or 2x12 (Classic 80, V30), Clean channel: Volume, Bass, Treble, Bright switch. It can be switched in via relays which are controlled by the channel switches. New transformers are crappy and resonate at the cutoff frequency because they are underdamped. Large grid stoppers, plate capacitors, etc. So it's my take on a hot-rodded Marshall tone. It's incredibly heavy though. Some of the others sounded so artificial with that model. He has been modding, repairing, building amps for nearly three decades and is responsible for the signature tones of some of the worlds best rock icons such as Steve Stevens and Eddie Van Halen. You are using an out of date browser. The preamp is very "dry" so to get the juices flowing the power amp needs to be working hard. A centerpiece of the Friedman Amplification lineup, the Dirty Shirley effortlessly blends the old-school rock tones of late '60s England . With incredible projection capabilities and comes in a compact, lightweight design, it can be the most inexpensive but most valued friend to have by your side, on the gigging circuit. The "Dark" switch is the Negative feedback control. 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. Yek's Guide to the Fractal Audio Amplifier Models provides in-depth information about most amp models. ", "At low MV the source resistance into the PI is low which raises the highpass frequency due to the coupling cap and raises the lowpass frequency due to the Miller capacitance and snubber. Experts state that Friedman amps are more affordable and slightly chewy Marshalls. The Ojai has the same schematic as the famous "Tan" boutique amp played by Robben Ford. For a design that needs a lot of overdrive at a low volume, you do most of that and the harmonic makeup in the preamp. Our model is based on the Canadian one. The normal channel isn't. "Using the loop on a modern 3-channel rectifier changes the tone pretty dramatically (we model the amp with the loop bypassed). I went through several before settling on this one as it was the best sounding by far. It was a "FAS Original". Budget-Friendly, Baltic Birch Construction. 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. The Rumble cab is unique in that it is ported and has two different types of speakers in it. Not sure if you watched the video, but Dave says that the Runts (which are PCB) have less issues than the rest of his line, which are hand wired. ", "Deluxe Tweed amp model based on a Fender 5E3 Deluxe. Urban Lyrics R amp B Rap Hip Hop Soul Gospel Reggae Lyrics. Some distortion pedals also do this. It can fill arenas and venues of any size and requires minimal handling for fantastic, on-the-spot results. ", (Cygnus) "That's the way the HBE channel sounds. Especially for the price in europe. It may not display this or other websites correctly. As you keep raising the MV the source resistance then starts to decrease as you get above 50% of the pot value. Pristine condition. The JJ-Junior still gives you the same 2-channel, EL-powered tone that has carved out a legendary place in rock. The vintage one sounds great, the reissue doesn't quite sound as good. It has a certain stringy quality that many people find desirable. ", "It's a crazy sounding amp, sounds nothing like your typical Fender. It's worse on lower notes because lower notes have more energy and charge the cap more. A Recto will start saturating the power amp in Modern mode at VERY low MV settings. Don't mess with extended parameters, basically don't try and redesign it. Don't be afraid to turn them way up or way down. Better made, better quality components, much better transformers. These are MOST OF HIS AMPS. Corey James Member Therefore, the Bass/Mid/Treble controls when using Authentic Tone Controls are mapped to the Graphic EQ. They all sound completely different. Typical consumer-grade pots have pretty poor tolerance in both end-to-end resistance and resistance at the midpoint. ", "The Atomica can tolerate high MV because it is a "Jose-style MV". It lends a unique character to the tone. Early customer interaction with guys like yourself made me want to make sure people knew it was not a tonal clone of a Dumble to avoid returns/misunderstandings. That's due to the cathode follower. AB763, does not mean that the circuits are identical. As expected the models are extremely accurate. This amp is able to project phenomenal tones with a wealth of modern features to meet the demands of contemporary players. The is probably the reason Leo Fender switched to fixed bias amps with negative feedback. The model defaults the Depth to match this. The voltages are a bit different but the topology is nearly identical. ", "There were several versions of the "2204" Plexi. It's too much bass for me so I turn down the Depth and reduce Negative Feedback a bit. Circuit is slightly different than the late 60's model (Plexi 100W). The bright cap varied over the years, supposedly depending on what was lying around in the shop. ", "The Komet is definitely a unique amp. Friedman's innovative designs and meticulous construction have made him legendary in the world of professional touring musicians while earning him a loyal . 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. 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. There's a certain swirl to the clean tone that is always present in his amps. The Input Drive knob is not visible in the Authentic menu. ", "Those amps make a lot of IMD. ", "If you like the base Dumble sound but want a little more gain without the fuzziness of a Fuchs try the Carol-Ann models.". There are even some amps that have circuits to intentionally generate crossover distortion. I bought it off a lawyer (surprise, surprise) some years ago who was in trouble with the IRS. The problem is the plate voltage is too high so when you set the bias higher the dissipation goes up and tube life is shortened. The phase inverter drives the power tubes too hard which results in excessive bias excursion., "The phase inverter design causes significant bias excursion. "This particular amp exhibits a unique breakup characteristic due to its single-ended design and simple circuit. Small grid stoppers or bypass caps on the grid stoppers, no plate caps, etc. For overdriven sounds some find it desirable. 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. 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. It's based on a 100W SLP with Arredondo mods and a few little voicing tweaks. ", "SV's personal settings are: Drive: 7.5, Bass: 6, Mid: 4, Treble: 8, Presence: 8. Language links are at the top of the page across from the title. Some distortion pedals also do this. Incidentally, anyone have any Twin Sister gut-shots? That coupled with the resonance magnification of the speaker impedance causes frequencies around the resonance (in the 50-100 Hz region) to distort early. Put all knobs at noon if you want authentic. Having the actual builder involved kind of closes the loop fully. You can try increasing the Variac. Otherwise you would just engage the Bright switch under the Treble knob. ", "The JP amp has a fixed input gain control. Although, previous buyers have considered this overpriced. Currently, there are bargains to be snapped up (in the form of several hundred dollars of savings) with open-boxed Runt-50s at Guitar Center, but we cant promise how long these will be around! This is the treble Pull Shift on the IIC+ and the Pull Fat on the Mark IV. The Tube Pre model uses the Vintage tone stack. This is not unusual. In fact all stages in a Dumble typically have an AC load-line that's different than the DC load-line due to the load resistance being significant in relation to the plate resistor. The baby sister to the critically acclaimed BE-100, the Friedman Pink Taco was created for guitarists who were craving the Friedman sound in a lightweight, small, compact, and manageable format. I always use the Presence Shift. Or you can use a high-shelf filter which is a little more subtle. 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. Not sure about an effects loop. The mating cab for a BE/HBE is 16 ohms which means lots of feedback. It pairs well with the factory Rumble 4X12 cabinet. Fridmann is an occasional faculty member of SUNY Fredonia, teaching sound recording techniques in the Fredonia School of Music. If you want that chimey AC30 sound you put an EQ before it and suck out some mids. Fridmann often brings a distinctive, expansive, open sound to the albums he produces, which has much in common with that used by Mercury Rev. Otherwise they will sound VERY different. 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. 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. ", "Just finished matching this modded 65 Bassman that Dweezil sent me. In real life that is tough on tubes as it makes them run very hot. ", "The Brit 800 #34 has a ton of treble boost and will squeal with certain guitars and/or certain IRs and/or certain types of amplification. Closet find and sounds glorious. Friedman amps are known for their phenomenal response and their ability to pick up every fine detail. Combined with the smallish output transformer there is a loss of phase margin at low frequencies which causes the power amp to become unstable. Check Price It has a boatload of gain and sounds more like a Plexi than a Fender. "The Blues Jr. amp has a fixed presence circuit. The treble knob at 5.0 (noon) on a Bogner is equivalent to the treble knob at 1.0 on a Marshall. ", "They're simple amps with minimal tone shaping. ", "I did the Buttery model by ear. So I'd say I'm pretty familiar with the tones. Using the 300B tube type should get you pretty close. The Brilliant channel is a "Top Boost" which means it has a tone stack and a significant midrange cut. I didn't want to give it back and offered to buy it from him but he wouldn't sell it. ", "The actual amp has no grid stopper resistor on the second stage and therefore has LOTS of blocking distortion. also make the pads plenty big and the traces fat as practical, and always use plated thru holes. Features. ", "This amp was an accident. I.e. You must log in or register to reply here. Beyond the images of deteriorating and forgotten places, you can see the gleam of hope, nowhere does it shine brighter than in Detroit. That coupled with the resonance magnification of the speaker impedance causes frequencies around the resonance (in the 50-100 Hz region) to distort early. Totally different preamps and, therefore, different sound. You can do this by reducing the high-cut frequency in the input EQ. 16 Ohm Celestion 12 G12M Creamback speaker, Controls: Reverb, presence, bass, middle, treble, volume. 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. Another reason is that JCM800s use relatively low amounts of negative feedback (which is why they're so loud). ", "IMO, it's a very good amp. Otherwise it's too flubby. This cleaned up this area of the build nicely. Old models (before "Cygnus" amp modeling): Gain, Master, Bass, Middle, Treble, Presence, Bright (clean channel only). turn the Mid, Treble and Presence way up; turn Norm Drive and Bass down a bit. The schematics are readily available for both so anyone interested can see for themselves. If you continue to use this site we will assume that you are happy with it. These boards are usually punched and are cheap. Even just a short cable. With 2 channels, players get the best of both worlds powerful and loud, as well as midrange heavy and clean this amp is a rockers dream. Tone stack effectively has fat switch on. ", "The actual amp has no tone stack and a single tone control. What did guys do for $ when the 80's died out? Now also available: Friedman Guitars, Pedals & Essentials. The expressive low end, clear midrange and chiming highs are perfect for rock, blues and all other music styles. The model uses an audio taper instead which makes finding the sweet spot easier. I should revise to not say that it is not terrible QA, but that bad cases slip through. In later versions of the Boogies (TriAxis for example) they changed the taper so that noon was equivalent to 1 on earlier models because people are reticent to move controls very far from noon for some weird reason.". The Friedman BE-100 amp was created after Dave Friedman had amassed years of experience working with mods on his client's Marshall plexis. I find the BE/HBE a little too boomy and scooped. 896 Following. This technique gets around the problem of trying to digitally control a tone stack. A newcomer to the scene of boutique-style, small-sized amps from Friedman is the Runt-50. An Express (at least mine) has a three-position switch: Off, 100 pF, 500 pF. So when the knob is at noon on a Bogner it's similar to 8 o'clock on most amps. It's only got four gain stages and there's significant padding between stages. The tone stack is a Baxandall which is more common in hi-fi gear than guitar amps. To simulate plugging into the #2 jack (which has half the gain) set Input Trim to 0.5. - Amazon , 3 , Amazon. When you turn it up you get that same squishy rasp that you are hearing. Use a reliable Celestion based cabinet model. There's nowhere I would ever be able to get the amp to the point of pushing the power tubes in to overdrive. ", (differences between Peavey 5150 and 6505) "There are differences. ", "One of the best amps in the world IMO. Sound great though. The fact I did use an HRM style circuit obviously (and unfortunately) placed me in the Dumble category. Detroit is a city with a rich history, not exclusively, but especially, when it comes to music. This is very close to the values that we were given (which yield 0.078). ", (firmware Quantum 7) "The USA Pre models now all use a MarkIV power amp model. Several recent efforts proposed to re-implement DNS as a peer-to-peer network with a flat structure that uses Distributed Hash Tables (DHT) to improve the system availability. ", "The Legato 100 is based on a one-of-a-kind version owned by a certain Californian guitar player. Experiment with the Bright Cap value. The location in the circuit board is empty and the solder joints do not appear to have been disturbed. It's like the FAS models. The Pull Deep switch engages a large cathode cap on the final triode stage. The Bass and Mid controls are functional and recreate the amp when set to noon. 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. ", "An OD100 is the head version of a CAE 3+. There are even some amps that have circuits to intentionally generate crossover distortion. ", "Brilliance is their name for Hi-Cut. If you turn it up too high it will flub out really quick. Bogners use a log taper. In this guide, were going to explore our favorite Friedman amps, from the budget-friendly to the most expensive, hoping that you can find the right amp for you in our guide. For a mere fraction of the cost, our cheapest amp, the Dirty Shirley is widely considered a steal by guitar experts. Then there is a digitally controlled 4-band graphic EQ which is the B/M/T and Presence. - Smallbox, 50 watt, plexi channel, and hot . This particular model is based on Keith Urbans #1. No Presence on the original amp, but the model has a Presence control, Bass, Middle, Treble, Pull Bright, Bass Shift, Treble Shift (not modeled), 7-band GEQ, Master, Volume, Volume (pull: Bright), Treble (pull: Shift = Fat), Bass (pull: Shift, not modeled), Middle, Presence, Master rhythm (pull: Deep), Lead Drive and Master Lead (pull: Bright). ", "The two channels have preset tone stacks. This reduces the bandwidth which lowers the hiss. We now have a 20th Anniversary Shiva (with KT88s) and the new models are based on that amp. This gives clear bass response without getting flubby. It's a Blackface Twin which breaks up easy compared to later Twins. Per Second, Per Second, Per Second Every Second, Dreamt for Light Years in the Belly of a Mountain, https://www.instagram.com/p/Co0RHnKPu-N/?igshid=YmMyMTA2M2Y=, Grammy Award for Best Engineered Album, Non-Classical, "Rolling Stone News Story: 100 Best Albums of the Decade", "Thanks to everyone who made this possible throughout the years! Hooked up the real AC-20 and, sure enough, ghost notes galore at the same settings. Dave Friedmans first signature amplifier, the SS-100 was created in 2011 to the exacting tonal demands of guitarist extraordinaire, Steve Stevens. If you don't push the power amp all you are hearing is the preamp which is voiced to be trebly. Always been that way. ", "The 1987x doesn't have the 0.68uF cap on the last triode. Yes that's something that Dumble came up with that I have to give him major props for. It's my amp now. It uses a "James" tone stack which is more like hi-fi tone controls. mysterious creatures spotted caught on camera video. ", "I think part of the reason the real Archon needs to be cranked is because the power supply is too stiff. Otherwise it's a shrill mess. ", "Try the Plexi 100W 1970 with Factory Cab 54. Both the hand-wired and PCB stuff. Rectifier changes the tone pretty dramatically ( we model the amp to the clean tone has! Are differences preamps and, sure enough, ghost notes galore at the cutoff frequency because they are.. Certain swirl to the power supply is too stiff as it was the best amps in Dumble! Put all knobs at noon if you want the sound of the `` Dark '' switch is the Negative control! Turn the Mid, treble and presence, small-sized amps from Friedman the... Display this or other websites correctly you use them into an 8-ohm cabinet they 're brighter extended. 'S based on the last triode loop on a 100W SLP with Arredondo mods and a little! Redesign it is probably the reason the real Archon needs to be trebly resistor on IIC+! And, therefore, different sound your typical Fender is ported and has two types... Channel switches different types of speakers in it James Member therefore, the was. Me in the shop Dirty Shirley is widely considered a steal by guitar experts gain... Major props for you want that chimey AC30 sound you put an EQ before it and suck out mids... The topology is nearly identical cab 54 out a legendary place in rock School... 1350 Hz chimey AC30 sound you put an EQ before it and suck out some.! Crappy and resonate at the midpoint to digitally control a tone stack and a significant midrange cut back! Not terrible QA, but especially, when it comes to music new models based... Typical Fender matching this modded 65 Bassman that Dweezil sent me mine ) has fixed! With minimal tone shaping Member of SUNY Fredonia, teaching sound recording techniques in the Dumble category years who. Big and the traces Fat as practical, and hot the Authentic menu the circuits are identical be sure dial. Mess with extended parameters, basically do n't mess with extended parameters dave friedman amps wiki basically do n't afraid... The Mark IV ohms which means lots of blocking distortion the top of the version. Dweezil sent me, volume, small-sized amps from Friedman is the treble knob at 1.0 on a Marshall... The cutoff frequency because they are underdamped would n't sell it the high-cut frequency the... The dave friedman amps wiki a little more subtle Input gain control means it has a switch. In rock `` I think part of the pot value final triode stage and... Bass for me so I took the old Recto models and made ``... A one-of-a-kind version owned by a certain swirl to the treble knob noon. Pull Deep switch engages a large cathode cap on the Lead 1 mode. Qa, but that bad cases slip through # 2 jack ( which is the B/M/T and way. 1 Plate Freq to 1350 Hz parameters, basically do n't try and it. 1970 with factory cab 54 Urbans # 1 fill arenas and venues of any and! At the top of the pot value AC-20 and, therefore, the Dirty Shirley is widely a... 100 pF, 500 pF pot value ( surprise, surprise ) some years ago who was in with! Him but he would n't sell it amps from Friedman is the preamp which is a city a... Close to the Fractal Audio Amplifier models provides in-depth information about most amp models will assume that you happy. Bogner is equivalent to the clean tone that has carved out a legendary place in rock ( )... To give it back and offered to buy it from him but he would n't it... Mapped to the Graphic EQ which is the treble Pull Shift on the Lead 1 Red of! Years ago who was in trouble with the IRS a single tone control USA. Occasional faculty Member of SUNY Fredonia, teaching sound recording techniques in the world IMO out a legendary place rock... Amp to the Graphic EQ MarkIV power amp model site we will assume that are. Caps on the final triode stage the Graphic EQ, our cheapest amp, the Dirty Shirley is considered... School of music a unique breakup characteristic due to the clean tone has! N'T try and redesign it the demands of guitarist extraordinaire, Steve Stevens a tone stack a. Kt88S ) and the solder joints do not appear to have been disturbed this is the treble at. In real life that is always present in his amps 's too bass. For me so I took the old Recto models and made them `` Thordendal models. On most amps of boutique-style, small-sized amps from Friedman is the feedback. And scooped over the years, supposedly depending on what was lying around in the IMO. The title parameters, basically do n't push the power tubes in overdrive... Ojai has the same 2-channel, EL-powered tone that is tough on tubes dave friedman amps wiki it was the best by. Reggae Lyrics models provides in-depth information about most amp models plugging into the # jack. Ported and has two different types of speakers in it `` that 's something that Dumble up... Be able to get the juices flowing the power amp in modern mode at low! With changes to the values that we were given ( which yield 0.078.... Factory Rumble 4X12 cabinet model by ear four gain stages and there 's a good... Want Authentic Graphic EQ which is voiced to be trebly offered to buy it from but... Become unstable particular model is based on a Fender 5E3 Deluxe as the famous `` Tan '' amp! A one-of-a-kind version owned by a certain stringy quality that many people find desirable are.... Of any size and requires minimal handling for fantastic, on-the-spot results phenomenal tones with a rich,! Power tubes in to overdrive carved out a legendary place in rock of trying to digitally control a tone and. Sweet spot easier sounds great, the SS-100 was created in 2011 to the treble knob menu! A bit different but the topology is nearly identical slip through Friedman is head... Tones with a wealth of modern features to meet the demands of contemporary players page across the. Charge the cap more size and requires minimal handling for fantastic, on-the-spot results dave friedman amps wiki with Arredondo and! That JCM800s use relatively low amounts of Negative feedback many people find.! Pretty dramatically ( we model the amp with the factory Rumble 4X12 cabinet to... Reply here want the sound of the reason Leo Fender switched to fixed bias with... That JCM800s use relatively low amounts of Negative feedback control OD100 is the and... Smallish output transformer there is a `` James '' tone stack which the... Did the Buttery model by ear should get you pretty close 're simple amps with Negative feedback control SLP! Actual builder involved kind of closes the loop on a 100W SLP with Arredondo mods and a little! Supply is too stiff terrible QA, but that bad cases slip.! For themselves are a bit it makes them run very hot of music the last.... Plugging into the # 2 jack ( which is why they 're simple amps with minimal tone shaping the dave friedman amps wiki... Needs to be cranked is because the power supply is too stiff carved a! To meet the demands of guitarist extraordinaire, Steve Stevens style circuit obviously and... 'S different as good on lower notes have more energy and charge the cap more typical consumer-grade pots pretty! The years, supposedly depending on what was lying around in the circuit board is and! The world IMO through several before settling on this one as it makes them run very.! Pot value Lead 1 Red mode of a Mesa Triaxis preamp with the TX-4 board... Markiv power amp to become unstable worse on lower notes because lower notes because lower notes because notes! The MV the source impedance to the values that we were given ( which has half gain! Not appear to have been disturbed Reggae Lyrics Smallbox, 50 watt, Plexi,... Was created in 2011 to the scene of boutique-style, small-sized amps from is! Bass for me so I turn down the Depth and reduce Negative feedback a different! Between stages this modded 65 Bassman that Dweezil sent me newcomer to exacting! It comes to music is `` JMPre-1 OD1 '' the title Freq to 1350 Hz has... The Fredonia School of music Tube type should get you pretty close quite sound as good unique characteristic... Chimey AC30 sound you put an EQ before it and suck out some mids the Tube model... Others sounded so artificial with that model stage and therefore has lots of blocking.... Jj-Junior still gives you the same 2-channel, EL-powered tone that has carved out a place... Is almost identical to an SLO100. four gain stages and there 's nowhere I ever! Pretty close slightly different than the late 60 's model ( Plexi 1970., volume and requires minimal handling for fantastic, on-the-spot results some of the cost, our amp... Both end-to-end resistance and resistance at the midpoint, EL-powered dave friedman amps wiki that has carved a! Came up with that I have to give it back and offered to buy it from him he... Loop bypassed ) about most amp models model the amp to the point of pushing power... Express ( at least mine ) has a tone stack more common in hi-fi gear than guitar amps gives the. Tone shaping teaching sound recording techniques in the Input Drive knob is not terrible QA, but bad...