#Marshall jcm 800 update
#Marshall jcm 800 upgrade
#Marshall jcm 800 series

The bias circuit uses the power transformer's 50v tap and featuresīias balance and bias adjustment for 6V6, 6L6 and E元4 tubes. Although I prefer theĪllen Amps transformers, any Princeton Reverb power and output transformer andĬhoke can be used if you plan to use only 6V6 power tubes.ĥH 120ma but again, any Princeton Reverb or Deluxe Reverb choke can be used.

#Marshall jcm 800 upgrade

Both of theseĪre Princeton Reverb upgrade transformers with a lot more oomph than stockįit perfectly in the Princeton Reverb chassis. Transformer which support 6V6, 5881, 6L6 and E元4 power tubes. Package but it can run 6V6, 5881, 6L6 and E元4 power tubes for 22 to 25 watts of The JCM800 6V6 comes in a Princeton Reverb size The first JCM800 6V6 has been built by Marcus Albrecht. Shredding machine in a Princeton Reverb package. Many people gig with Princeton Reverbs so here's a The layouts are designed for use inĪ standard Princeton Reverb chassis and cab which allows the use of a 10 Single 12AU7 power tube in true push-pull. The preamp is all 2104/JCM800īut the power amp consists of the stock long tail pair phase inverter feeding Less than ear splitting volume and lay down studio licks without ear plugs. These 20 watt 6V6 and 1 watt 12AU7 amps will allow you to shred at It is the sound of 80's rock-and-roll guitar but it's just too loud atĥ0 or 100 watts. The Marshall 2104 Master Volume/JCM800 is my favorite high gain amp ofĪll time. 'stock' JCM800 and let builders tweak that design to their preferences.

The preamp tweaks and post phase inverter master volume Micro preamp and master volume type to match the JCM800. We get less NFB signal from the 6V6 power amp but we get more by goingįrom the JCM800 4 ohm secondary to the 6V6's 8 ohm secondary so 100k is what we I spec'd a 56K NFB resistor when 100k is what is

#Marshall jcm 800 update

UPDATE August 2020: In version 3.1 I corrected an error I A classic name for this powerfulĮF80 small pentode version of the JCM800 Micro. God of thunder, lightning, storms and strength. Heard over a zillion times! Be sure to watch the videos below. The gold,īrushed aluminum look front panel is intentionally reminiscent of the original Switch to select either JCM cold clipper or the SLO cold clipper. There is some frequency compensation employed to retain the 2203 circuitĪnd smooth it out.Running an octal socket based solid state rectifier withĬhoke, the 400V fixed-bias supply powers two JJ 6V6Ss. The Preamp, tone stack and Phase Inverter are identically voiced to the JCM800Ģ203. Quintessential Marshall tone and crunch but in a very usable 20 watt package. Tweaked to deliver an aggressive but sweet overdrive tone, Thör has the Master volume and a cold biased “cold clipper” gain stage and the circuit Input, Thör employs a cascaded Hi Sensitivity channel.

#Marshall jcm 800 series

Marshall JCM800 2203 Lead Series Master Volume amp, based on original work by The Trinity Amps Thör is a 6V6 powered amp authentic to the It's a variation of their Trinity 18 Amp. UPDATE April 2022: Trinity Amps is selling the JCM800 6V6 inĮither kit form or a fully built combo or head amp. Celestion Vintage 30 | 2.Have comments or corrections? Email rob at: robinette at Marshall 1960AX & 1960BX 4x12: used with Slash feat.Marshall 1960AV & 1960BV 4x12: used with Guns N' Roses, Slash's Snakepit and Velvet Revolver.Groove KT88: used for clean sounds with JCM 2555 Silver Jubilee and JCM 2555SL Slashġ.Groove 6550: used for dirty sounds with AFD100 Slash and most of JCM 800 heads.Groove E元4: used for dirty sounds with JCM 2555 Silver Jubilee and JCM 2555SL Slash.On tour: used live for Slash and Apocalyptic Love toursġ.In studio: used for the recorded distorted parts of Apocalyptic Love.Marshall also produced 100 pieces of a Special Collectors Edition hand signed by Slash himself. The AFD100 was limited to 2,300 pieces worldwide (2,300 because when it cames out, it's been 23 years since the Appetite For Destruction album). After almost 8 months of research and development, Slash and Marshall have tweaked the AFD100 enough to be the most accurate reproduction of the original amp that Slash used to record the Guns N' Roses album, Appetite For Destruction.