The JJ ECC83S with gold pins is a variant of the standard JJ ECC83S also known as the 12AX7. I wanted to check out if there was any difference to the specification and more importantly the sound of the amp with this valve in my Fender Deluxe Reverb ( 1971). Specification Thoughts We just received these parts into stock so I tested 50 of them. Â I have tested hundreds of the standard JJ ECC83S so […]
We are expanding our range of valves and we are introducing four interesting JJ valves to our line up. The first three can help shape your amp sound in different ways. EL844 The EL844 is exactly pin compatible to the EL84 ( 6BQ5) and it has an interesting twist. It is highly popular in the USA and it was orginally developed by JJ Electronic based on feedback from the USA. The valve is 9 watts
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
Over the weekend, I got my hands on a bunch of vintage audio valves and rectifiers.  I went through all of them and tested them and that blew most of my weekend.  Testing valves and doing matching is  a boring but very necessary job! Some were brand new in boxes,  some were loose in Tupperware containers and obviously had been used. I was curious also to see the test results of vintage versus new valves
I found this link regarding the history of speakers in Fender amps. I found this useful so I thought I would share it. I found it on another blog. (UPDATE: Unfortunately, that site is now seemingly defunct.)
I was on the hunt for a nice original Vox AC30 from the 1960′ s and it got me thinking on why I wanted it and what work it would need.  Now I have worked on AC30’s in the past and my first AC30 was GIVEN to me as it was considered beyond repair. The player had sat a pint of beer on top of the amp, by all accounts the pint glass  was almost