valves

Are there any valve experts out there? My query is after purchasing a couple of new preamp valves I was surprised the figures on the box were quite different. This made me think-if one valve has a different gain to another can you end up with a volume difference between right and left channels...

I am selling my great class A valve amp due to requiring funds for something else!. It is designed by Guy Sergeant of Puresound and I have owned this for around 5 years but the last 6 months it has not been used. It has been used with small stand-mount speakers (Quad 12L) and floor standing...

Ordered for a tube amp that never got used, these are a brand new pair of Gold Lion KT88 tubes / valves. Price = £160 (incl. postage) or collection from Warwickshire

Hi all, This may be a incredibly silly idea but I wanted to run it past you. I currently use a quad 606 and a tisbury passive with some Kef R3's My main source is vinyl and as an ex-dj (please don't judge me), I use a high(er) end dj mixer with MUSES01 op amps as my phono stage. I've always...

Hi all, I have been curious about trying a valve preamp in my system and have no idea where to start. I don’t want to spend too much (sub £300) so looking second hand in case it’s not for me and I can sell on. Currently I use a passive tisbury preamp and have no problems or complaints just...

The Takatsuki TA-300B made it's debut in 2010 as the first Japanese made vacuum tube in 35 years. Each TA-300B tube is manufactured and assembled with the utmost care using choice materials and under stringent quality control in Takatsuki's own plant in Japan. They remain committed to high...

As it seems that I am in for the long haul with my EAR valve kit, I would like to be able to test valves myself. I have a good many 802 and 508 valves in my possession that I would like to check and possibly match. As my EAR 802 has 2 x ECC83 valves in it, I would like to own a valve checker...