description Marshall AVT100 Overview
The Marshall AVT100 is a 100-watt hybrid guitar amplifier combo from the manufacturer's Advanced Valvestate series. It features three independent channels—Clean, Overdrive 1, and Overdrive 2—and utilizes a single 12AX7 preamp tube combined with a solid-state power amplifier to simulate the response of an all-tube circuit. Housed in a cabinet with a single 12-inch speaker, it was designed for guitarists seeking versatile, high-gain tones without the maintenance of a fully tube-driven amplifier.
help Marshall AVT100 FAQ
Is the Marshall AVT100 a tube amp or a solid-state amp?
The AVT100 is a hybrid amplifier, not an all-tube design. It uses one 12AX7 or ECC83 preamp valve and a solid-state power amplifier rated at 100 watts. [Marshall AVT documentation](https://www.drtube.com/marshall-valvestate-2000-avt/)
What are the three channels on the Marshall AVT100?
The AVT100 has separate Clean, Overdrive 1, and Overdrive 2 channels. OD1 is intended for a lower-gain drive sound, while OD2 provides the more aggressive high-gain voice associated with the Advanced Valvestate range. [AVT100 manual](https://manualsdump.com/en/manual/marshall_amplification-avt100/242400/5)
What speaker configuration does the Marshall AVT100 use?
The AVT100 is a 100-watt 1 x 12-inch combo, so the speaker is built into the cabinet. It is a full-size performance combo rather than a small practice amp or a separate head. [Marshall AVT specifications](https://www.drtube.com/marshall-valvestate-2000-avt/)
What does the 12AX7 valve do in the AVT100?
The 12AX7 is used in the preamp section to add valve-style gain and response before the signal reaches the solid-state power stage. Replacing that valve can affect the preamp sound, but it does not turn the 100-watt AVT100 into an all-valve amplifier. [AVT100 manual](https://c3.zzounds.com/media/AVT100hbk_Engset-7eae24ce09d6d3cdfe3a67ec64d33230.pdf)
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