RCA
The factory codes on these tubes are: AAA3 B3J5 AND AAA3 B4I5Made by Mullard in Blackburn, England T..
$39.99 USD
Pair RCA Fat Bottle Gray Plate NOS Vacuum Tubes7591 in 9-T9 bulb and the compactron equivalent is 78..
$119.99 USD
Tested almost new at 10250 µmos on Hickok 752A. Minimum is 5000 µmhosBlack plates with top halo gett..
$11.99 USD
Black Plate NOS Guitar Amp full-wave rectifier Date Code 6930..
$12.99 USD
RCA Fat Bottle Gray Plate Vacuum Tube. Made in USA7591 in 9-T9 bulb and the compactron equivale..
$49.99 USD
NOS tube. Balanced test result of 3000/3000 on Hickok 752A. Minimum is 1600/1600 Yellow Q.C. pa..
$44.99 USD
Tested 900/900 µmhos on Hickok 752A where minimum is 800/800..
$9.99 USD
New Old Stock In Original Package ..
$3.99 USD
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