Offering for sale a brand new, (NIB) never used, instant on( no filament
warmup) Eimac/Varian triode tube (YU121) date coded 1991in a
amplifier's builders component package including a new, industrially
rated air system tube socket (porcelain insulators), UTC 115VAC
military, potted filament transformer rated at 6.3VAC (NO CT) @ 30
amps, potted, 500uFd @ 30KV blocking capacitor,1.5A HV porcelain plate
choke, chimney, industrially rated 115VAC GE high volume,low noise,
1/12hp squirrel cage blower, and a complete Eimac data sheet. The tube
has a small footprint and minimial height and is electrically identical
to the 3CX1200A7 except for filament voltage; and like its counterpart
is virtually indestructible! It's designed for frequencies up to 110mHz.
Amplification factor is 200. With 6KV on the plates will produce over
2KW output with 100w+ of drive. About 60w will net 1800W output.
Purchased for an amplifier project that never materialized. $625+
shipping. Note! I have an additional NIB Eimac tube, purchased as a
spare, that is available at additional cost. Ron W2CQM/3
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