Used Tubes - Tested

6BK4C EL4A GE Vacuum Tube Matched Pair
New Pair, tested 950 and 960 µmhos on Hickok 752A, where minimum is 500 ..
$17.99 USD
6CA7 EL34 GE Vacuum Tube Matched Pair
Used Pair Tested 7700/7600 µmhos on Hickok 752A. Min is 3750 µmhos ..
$49.99 USD
6K11 6Q11 Vacuum Tube
Tube tested 2800 where minimum is 1350 and 1300/1400 where minimum is 800/800Rogers branded vacuum t..
$27.99 USD
EF86 6267 Vacuum Tube Matched Pair
Perfectly matched Pair both tested 2300 µmhos on Hickok 752A. Min is 1200 µmhos ..
$22.99 USD
Fleetwood 6K11 6Q11 Vacuum Tube Matched Pair
Tube #1 tested 2900 where minimum is 1350 and 1200/1300 where minimum is 800/800Tube #2 tested 3000 ..
$39.99 USD
GE 5814A 12AU7 Vacuum Tube
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
Hit-Ray 6CA7 EL34 Audio Power Amplifier Vacuum Tube
Used Tube Tested 5400 µmhos on Hickok 752A. Minimum is 3750. µmhos. ..
$17.99 USD
Mullard 8233 E55L CV5808 NOS Gold Pin Vacuum Tube
Mullard manufactured tube in Mitcham, England for CGE in Original Box. Code BP1 R3E4. Manufact..
$179.99 USD
Telefunken 12AU7 ECC82 Vacuum Tube Ribbed Plate Diamond Logo Bottom
Tested strong at 2450/2800 where the minimum good is 1350/1350 ..
$29.99 USD
Telefunken 6GW8 / ECL86 Matched Pair Vacuum Tube
Used tubes from same audio channel, made in Germany. Results from test on Hickok 752A: 7000/725..
$44.99 USD
Telefunken ECH81 6AJ8 Vacuum Tube Pair Diamond Bottom Logo
Test results are 625/675 and 720/740 where the minimum is 475/475 ..
$17.99 USD
Telefunken EF85 6BY7 Diamond Bottom Vacuum Tube
Used EF85/6BY7 Vacuum Tube Tested very strong on a Hickok 752A Test result is 650, where the mi..
$14.99 USD
Telefunken EL84 / 6BQ5 Diamond Bottom Vacuum Tube
Tested 6750 mhos on Hickok 752A, where the minimum new is 4750Made in West Germany and has halo gett..
$28.99 USD