A number of customers have asked us about new EF86’s. This a famous high gain audio pentode from the 1950’s and 1960’s. There are a lot of used EF86’s on well known auction sites that are unboxed with big prices. My own experience is that many of these original valves are well used and not worth the money. The alternative has been to buy NOS original boxed units but these are vintage and command high
We have got some new valve technology coming and most of these are 21st century designs ( yes new technology) in audio valves !!! It is rare to see innovation in audio valve technology and JJ Electronics are doing it. This new valve technology are valves that are designed to give you the ability to have new colours of sound from your amp just with a valve change. No component changes needed. Check back in
Vox Amp Schematics Valve and Solid State -Updated 13th Nov 2023 This post used to link to Korg who had kindly gathered together the schmatics of a whole pile of Vox Amp schematics from about 1960 onwards. I posted this in 2019. Korg has now removed this page from their site. A good alternative reference is on the Vox Showrrom page Click here for the link Moat of the Vox AC XX models are there
Never Believe an amp is Beyond Repair A number of years ago, I was once GIVEN a 1960’s top boost Vox AC30. A pint of beer had been sitting on the amp at a gig ( a No-no!). the guitarist knocked it over when he turned to adjust the amp settings. Whoosh! the beer was knocked over and poured into the amp air vents. There was bang and the amp died. he took it to
I started on this blog back in 2015 and this was my first experience writing a blog. I dont claim to be a world expert on valve ( tube ) guitar amps, but…. I thought it would be good to write about my experiences on restoring repairing early guitar amps. I look forward to reading your comments and feedback. I have repaired valve amps since the 1960’s and I am an electronics engineer and try to play
