3S4 GE used/good 1960 era (99/60)
By Tube World
$ 5.99
3S4 GE used/good 1960 era (99/60)
Tested on B&K 700
- Bottlehead Quickie preamp 2010-2013
- WWII Walkie Talkie
- Analog Squared TU-5
See more: vacuum tube
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