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Tested 650 mhos on Hickok 752A, minimum new is 475
Long, ribbed gray plate tube with halo getter
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Used EF85/6BY7 Vacuum Tube Tested very strong on a Hickok 752A Test result is 650, where the mi..
$14.99 USD
Test results are 625/675 and 720/740 where the minimum is 475/475 ..
$17.99 USD
Tested 4800/4600 µmhos on Hickok 752A. Minimum is 1900/1900 µmhos. ..
$9.99 USD
Tested 8250 µmhos on Hickok 752A. Minimum is 5000µmhos. ..
$34.99 USD
Used Tube Tested 540 µmhos on Hickok 752A. Minimum is 375 µmhos. ..
$29.99 USD
Used Pair Tested 7700/7600 µmhos on Hickok 752A. Min is 3750 µmhos ..
$49.99 USD
Pair RCA Fat Bottle Gray Plate NOS Vacuum Tubes7591 in 9-T9 bulb and the compactron equivalent is 78..
$119.99 USD
Perfectly matched Pair both tested 2300 µmhos on Hickok 752A. Min is 1200 µmhos Used pair..
$22.99 USD
Mullard manufactured tube in Mitcham, England for CGE in Original Box. Code BP1 R3E4. Manufact..
$179.99 USD
The factory codes on these tubes are: AAA3 B3J5 AND AAA3 B4I5Made by Mullard in Blackburn, England T..
$39.99 USD
Tube #1 tested 2900 where minimum is 1350 and 1200/1300 where minimum is 800/800Tube #2 tested 3000 ..
New Pair, tested 950 and 960 µmhos on Hickok 752A, where minimum is 500 ..
Tube tested 2800 where minimum is 1350 and 1300/1400 where minimum is 800/800Rogers branded vacuum t..
$27.99 USD
Closely matched pair of NOS tubes branded Philips with Mullard, Blackburn code (B1L1).Tested 1025/11..
$24.99 USD
RCA Fat Bottle Gray Plate Vacuum Tube. Made in USA7591 in 9-T9 bulb and the compactron equivale..
Tube #1 tested 300/300 Tube #2 tested 325/325 on Hickok 752A, minimum is 200. The 752A gives a ..
Tested 325/325 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..
Tested 1225/1500 on Hickok 752A. Minimum good is 625/625 Tube has smooth grey plates and ..
This vacuum tube tested new at 1250/1300 µmhos on Hickok 752AMinimum is 475. It has short ribbed gre..
Tags: Fleetwood, EL84, 6BQ5, Vacuum Tube