Grouse Guitars, your favourite vintage guitar dealer
Grouse Guitars - your vintage guitar, bass and amp dealer. Click the 'back' plectrum to go back to the previous page, or click the "Grouse Guitars" nameplate above to go directly to the Grouse Guitars homepage.

 

Vadis BR20Here is a 20-watt cathode bias (often mis-termed Class-A) valve-rectifier (5Y3) amp using a pair of 6CA7 (EL-34 equivalents) output valves running very conservatively into a single 12" Rola 12PEG Alnico speaker. The pre-amp stages utilise two 12AX7 valves.

There are three inputs - Bass, Rhythm and Accordion - each of which are voiced slightly differently, and all of which are very usable (while the amp was getting its service with a leading Melbourne amp tech - see below - it had the inputs modified to make them more responsive, as the Rhythm and Accordion inputs were originally quite muddy). While the amp was made as a bass/rhythm (BR) amp, it's only use these days would be as a guitar amp, in which role it sounds superb!

This is a low-powered amp, with less volume than the 20 watts would suggest, but is also a quite high-gain amp, so anything much past the half-way mark sees the amp go into delicious, true overdriven valve TONE. This makes the amp absolutely ideal for recording, especially in a home recording studio. Throw your distortion pedals away and get some REAL valve overdrive!

This amp is fresh back from a $220 service, with new power supply capacitors, bypass electrolytics and a new 12AX7. The original 6CA7s were measured, but are still within spec, and sound damn good, so they were left.

This vintage Vadis valve amp measures 57cm(W) x 62cm(H) x 26cm(D), with a weight of 17kg.

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