Custom Classic British 18w Tube Guitar Amp Kit Handwired Tube Guitar Amplifier Head - Electric Instrument Parts & Accessories - AliExpress
My first build: 18w TMB - The Amp Garage
Mojotone 18W Marshall TMB Kit? | Telecaster Guitar Forum
Tube-Town GmbH – TT 18 TMB (engl)
Trinity Amps - Trinity Amps sells kits of five two channel versions of the Marshall 18 watt amps - the sIII, Plexi, Plexi MkII, TMB and the v6. All 18 watt amps