• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

JJ 300B supplier in the UK

I am looking to replace the four JJ 300Bs in my Kevin Kennedy-designed monoblocs. The last time I did this I bought from BTB in Germany, but that was pre-Brexit and I would rather avoid the pantomime of dealing with import duties from the EU.

I am looking for a matched quartet, and would prefer to stay with JJ. Can anyone recommend a good UK supplier who keeps a large enough stock to be able to guarantee four well-matched valves?

Alex
 
I've used Hot Rox UK for tubes for many years now. They've been exemplary every time; and they stand behind their stuff on the odd occasion that things go wrong.

They do list the JJ 300B, but only as matched pairs. I guess if you asked them nicely they could match four of them.

No affiliation, just a very happy customer.

Cheers, and regards,

Ant.
 
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