Tubes Asylum

RE: GE VT4C Tubes

68.191.140.235

In Reply to: RE: GE VT4C Tubes posted by Diatonic Cluster on May 27, 2007 at 09:19:58

These tubes are not easy to test due to their high current heater filament requirement. Most standard tube testers do not test them. I bought a handful of these in a box lot of tubes several years ago, and have never sold them as I have no way of testing them. Many listed on eBay have just had continuity of the heater filament verified.

I talked to a tube dealer at a hamfest 2 years ago, and he said he would have to send them out to a third party for testing.

I'm not sure what it would take to match a pair. Perhaps a mondo vacuum tube curve tracer. Are you sure you need a matched pair? Often these are used singly in monoblock SET amps. Perhaps your amps use a P-P pair or two in parallel SET configuration. If your amp only uses one VT4-C per channel, you don't need matched tubes.

RT Barr

Follow Ups:

RE: GE VT4C Tubes - Diatonic Cluster 11:39:16 05/27/07 (1)
- RE: GE VT4C Tubes - rtbarr 21:59:19 05/28/07 (0)

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