• 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.

Psvane 2a3 T Mk II reliable vender

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Be careful of the Psvane 2A3 tubes. They have a reputation for developing low level sputtering/spitting/ticking/squealing. I have had both the 2a3 T Mk II and WR2a3. I returned 9 tubes (5 MkIIs and 4 WR2a3s) all with the same problem. I posted on head-fi asking if others had experienced similar problems and found I was not alone. A good vendor is Grand Fidelity. You will pay a little more but less than the cost to return if you purchase from China and want a refund - which, unfortunately, is likely.

However, until they start making noise they are outstanding sounding tubes. Some of the best I have ever heard. If someone could tell me they found the problem and have fixed it, I would buy another set of the WR2A3s in a heartbeat.
 
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