Radiotron Vacuum Tube for sale
6SN7 TUBES IN STOCK
Vacuum Tube Preamplifier Analysis and SPICE Simulation
01A, Tube 01A; Röhre 01A ID3654, Triode, vacuum
811A 572B 3
These are often requested, but rarely found.
Typically, the lifespan of these devices ranges from about 500 to 1000 hours.
But it had too low a mu to be really suitable for pass-tube use.
The demands for these tubes today are primarily in vintage and recent design audio amplifiers and preamplifiers of the high-fidelity type, up to and including the most expensive and esoteric.
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Hopefully everything is still alright! Most have flat gray plates.