Here is a collection of schematics of (and related to) the
- 36watt TMB (GIF)
(PDF) - Older original
- 36watt TMB r5 (GIF)
(PDF) - Richie's latest design
- 18watt TRex -
This is Lite II plus an overdrive TMB channel.
- 18watt TRex-S -
This is a single input switched version.
- TRex MOSFET Switch -
- Generic MOSFET Switch -
Handy relay replacement.
- Minimalist 18watt -
This is a "bucks down" ASAP 18watt circuit.
- 18watt Lite -
This is the stock circuit without the trem channel
- 18watt Lite II -
This has the normal channel, but with the trem channel tone control.
It also has an input jack switchable parallel or single triode input stage.
- 18watt Lite IIb -
The Lite II with some tweaks suggested by 18watt.com regulars.
- Marwatt - an 18watt/Hiwatt hybrid by
- Vajra 18 - an 18watt variant with a
TMB tone stack by Mark Durham
- Watkins Dominator - reputedly the
"source of inspiration" for the original 18watt circuit
For those who like to experiment, here are some alternate tone control
circuits to try in the 18watt circuit: