NOS (New Old Stock)
Sylvania 6KE8 Vacuum Tube Pair
These are closely matched NOS vacuum tubes. Tested 725/750 min 500and 625//725 min 475 µmhos respect..
$9.99 USD
Sylvania 6L6GA Vacuum Tube Pair
Tested 500 & 575 on Hickok 752A. Minimum is 300 ST-14 bulb with same date code of 531..
$34.99 USD
Sylvania 6SN7GTB Vacuum Tube
Tested NOS and balanced at 3400/3400 on Hickok 752A. Minimum is 1600/1600 Sylvania Internationa..
$59.99 USD
Sylvania VT-138 1629 Vacuum Tube NOS
New Old Stock magic eye tube. Tested on Hickok 752A. Shipped in original preserved box...
$24.99 USD
Sylvania VT-138 Vacuum Tube Quad Set
Every tube tested very strong on Hickok 752A. All results are similar to the ones on the listing&nbs..
$64.99 USD
Telefunken 12AX7 ECC83 Vacuum Tube
Tested 350/325 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..
$39.99 USD
Toshiba 12BH7A Vacuum Tube
This vacuum tube tested new at 1250/1300 µmhos on Hickok 752AMinimum is 475. It has short ribbed gre..
$29.99 USD
Tung-Sol 12AX7 Vacuum Tube
Tested 325/325 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..
$29.99 USD
TUNG-SOL Type 1603 NOS Vacuum Tube
May be a 6 volt Western Electric 310A and a direct drop in for a WE 428ATested 750 on Hickok 7..
$129.99 USD
Western Electric 244A Vacuum Tube NOS
Tested NOS on a Hickok 752A at 450, where minimum is 150. Mesh plate tube with 839 date co..
$144.99 USD
Westinghouse 12AY7 6072 Vacuum Tube
Tested strong at 350/350 on Hickok 752A, minimum is 275. The 752A gives low readingsfor the 12A..
$44.99 USD
Westinghouse 6CZ5 Vacuum Tube
Tested like NOS on Hickok 752A. 1200, where minimum new is 700 ..
$14.99 USD
Westinghouse 6JG6A Vacuum Tube
NOS Westinghouse Premium tube. Test reading is 1125 mhos on Hickok 752A, where the minimum new ..
$34.99 USD
Westinghouse 6L6G Vacuum Tube Matched Pair
Tested 650 & 750 on Hickok 752A. Minimum is 300 ..
$37.99 USD