Used Tubes - Tested

New Pair, tested 950 and 960 µmhos on Hickok 752A, where minimum is 500 ..

$17.99 USD

Used Pair Tested 7700/7600 µmhos on Hickok 752A. Min is 3750 µmhos ..

$49.99 USD

Tube tested 2800 where minimum is 1350 and 1300/1400 where minimum is 800/800Rogers branded vacuum t..

$27.99 USD

Perfectly matched Pair both tested 2300 µmhos on Hickok 752A. Min is 1200 µmhos ..

$22.99 USD

Tube #1 tested 2900 where minimum is 1350 and 1200/1300 where minimum is 800/800Tube #2 tested 3000 ..

$39.99 USD

This GE 5 star tube tested NOS with a reading of 1325/1400 where minimum is 675/675 on a Hickok 752A..

$22.99 USD

Used Tube Tested 5400 µmhos on Hickok 752A. Minimum is 3750. µmhos. ..

$17.99 USD

Mullard manufactured tube in Mitcham, England for CGE in Original Box. Code BP1 R3E4. Manufact..

$179.99 USD

Tested strong at 2450/2800 where the minimum good is 1350/1350 ..

$29.99 USD

Used tubes from same audio channel, made in Germany. Results from test on Hickok 752A: 7000/725..

$44.99 USD

Test results are 625/675 and 720/740 where the minimum is 475/475 ..

$17.99 USD

Used EF85/6BY7 Vacuum Tube Tested very strong on a Hickok 752A Test result is 650, where the mi..

$14.99 USD

Tested 6750 mhos on Hickok 752A, where the minimum new is 4750Made in West Germany and has halo gett..

$28.99 USD