Friday, May 16, 2025

MARSHALL: 1974X AKA the Marshall 18w one knob tone controls

Another simple one knob tone control, this time from the Marshall 18w amplifier, or the model 1974x, whatever you prefer...   

Marshall used two different tone controls in the amp.  A lot of folks build the 18w lite, which is just the normal channel of the amp, and they often use the trem channel tone control as it has a bit more range to it (18w lite II, it's a great little amp).  The trem channel is basically a Fender one knob tone control using 500k pots.




Normal channel - a little less bass than the trem channel, no top boost

Trem channel - more bass than the normal channel, a bit of top boost


Combined



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