Category: DIY Audio
Guitar rebuild: 1. onboard preamps & hardware
From 70’s hard rock, to a credible metal guitar this one started its life 1982 in Japan, built in the great Matsumoku shop. Known for making some of the world’s best mass produced guitars at the end of the 70’s […]
RangeMaster – Pedal Progression 1
In this series I revisit and re-build some of my favorite guitar pedals. Here a treble booster is given some of the best vintage parts possible, protection circuitry, power supply filtering, a negative voltage supply, some indication circuitry, and a, […]
TrainWreck Rocket: 1. Redesigned
The trainwreck rocket is a highly coveted and copied guitar amp, however it, in part, is a copy itself. It is the core of a vox ac30 and where made by Ken Fischer. Here I design my interpretation. Ken started […]
Dumble Overdrive Special – Headshell
Head, strange word for this but is what it’s called, a head being the amplifier, presumably sitting on the ‘body’ represented by the stacks of speaker cabs. Using a schematic from the ampgarage.com forum as a base I set out […]
Dumble Overdrive Special
The Dumble amplifiers are clearly the highest priced guitar amplifiers ever to exist, and with good, or at least understandable, reason. These amplifiers fetch more than 50.000$/€ a piece, a staggering sum. Why this is understandable can be gleaned by […]
Silence your Guitar Amp – Variable Voltage Regulator
Guitarists often find themselves in love with their amps, playing an electric guitar a lot of the time what’s making up your sound is found far down the chain from your actual strings. And here comes the problem, the best […]
Easy Naim Hifi poweramp upgrades
Why these mods work is quite simple, even very expensive hifi-gear tend to use cheap sonically bad components where size is an issue. With some looser considerations there, however, really is room to hook up, for instance, capacitors that better […]
Dumble ODS: 2. Mods
Doing a copy of an amp can be a good learning experience, modifying it to suit your needs and taste, however, can be the really rewarding bit. Here I detail added FX loop, footswitchable; dual HRM, with bypass, FETboost, moved […]