The JJ ECC99 valve (6N6P) double triode is used in preamp circuits, and phase splitter applications . It is even used in practice amps as the power amp. It is used in Hifi amps to drive 2A3 and 300B output valves. We test every unit on our digital valve tester which checks over 20 different parameters so we ensure that this new valve is just right for your equipment. We also offer a 120 day from purchase warranty on the product ( excludes user caused mechanical damage failure).
We test each JJ ECC99 Preamp valve on our digital and analogue testers . We ensure that you receive a quality tested product
Note: Valves use high voltages and these voltages are dangerous. The amp can still retain these high voltages for some time even after being switched off. If you are not sure of fitting them , please seek the services of qualified personnel