additions the 80 Watt per side Bi-Chorus combo and 100 Watt per side Bi-Chorus head, Valvestate technology will give you a quality of sound that is in every sense true Marshall. Valvestate is able to do this by simulating the performance of a valve power stage. Using Bi-Polar devices Schematic of the daughter board, V100-61-02 Issue 4, (Marshall, 1996). Schematic of the power amp, V100-62-02 Issue 2, (Marshall, 1998). Owners manual for the VS100, VS100RH & VS102. Photograph of a VS100R combo. VS100RH, 100W head with reverb. The VS412 & VS412A 4×12″ cabinets were meant to be used with this amp. Schematic of the pre amp AVT100 Front Panel Features Introduction (cont.) I. The Pre-amp Section Your AVT100 combo amp boasts three independent channels: Clean, Overdrive 1 and Overdrive 2. The preamp section is where the gain, tone and relative volume of these three channels is determined. 1 Input Jack Socket This is where you plug your guitar into the amp. The VS65R, VS100R, VS102R and VS100H will easily handle any of the above applications but also boast many additional features plus a single ECC83 valve in the pre-amp to add greater sparkle to clean and extra grind and dynamics to crunch and overdrive settings. Marshall Vs100 Head; Marshall Vs100 Manual Software Pdf; With a Speaker UpgradeOkay, before I jump into why I truly believe the early Marshall Valvestate VS100 is indeed a terribly overlooked 'sleeper amp', I need to tell you how I discovered these amps. A couple weeks back two Marshall amps arrived in my shop for repair, one was a DSL 40 7,003. Aug 15, 2018. #2. I had a Valvestate VS265R for several years (Father's Day present from the kids). The Valvestate series (well, at least the one I had) used a solid-state power amp with a 12AX7 preamp tube. Marshall did not give any instructions on replacements of the 12AX7. On mine, I had to pull the chassis to get at it. Marshall Valvestate 2000 AVT100A571 pagesEnglish, Spanish, German, French, Japanese Based on the archives that we can find online, the Marshall 8100 Valvestate 100-watt retailed MRSP around $349 to $449. Marshall discontinued these amplifiers because they weren't selling good at retail price. They were ultimately replaced with the the less desirable MG - Series that is known for it's terrible Solid State sound. A PLEASE read this instruction manual carefully before switching on. B ALWAYS use the supplied mains lead, if a replacement is required please contact your authorised Marshall Dealer. C NEVER attempt to by-pass the fuses or fit ones of the incorrect value. D DO NOT attempt to remove the amplifier chassis, there are no user serviceable parts. Marshall also made the VS100, which was the second generation of these amps. My question is, what are the tonal differences between the two, if any? It seems that the VS100s are a bit easier to locate and are usually sold for the same price. Logic would tell me that the VS100 should be better, just because the technology should be more advanced.