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6GM5 Vacuum Tube Matched Pair Made in USA
Pair RCA Fat Bottle Gray Plate NOS Vacuum Tubes7591 in 9-T9 bulb and the compactron equivalent is 78..
$119.99 USD
7591 Sylvania Vacuum Tube Matched Pair
Tested 900 and 875 µmhos respectively on a Hickok 752A where minimum is 500 ..
$149.99 USD
Philips 7591 Vacuum Tube Beam Power Tube Made in Japan
Tested 8250 µmhos on Hickok 752A. Minimum is 5000µmhos. ..
$34.99 USD
RCA 6GM5 Vacuum Tube
RCA Fat Bottle Gray Plate Vacuum Tube. Made in USA7591 in 9-T9 bulb and the compactron equivale..
$49.99 USD