NOS (New Old Stock)

Tested new with readings of 2800/3100 µmhos on Hickok 752AMinimum good is 1600/1600. Tube ..

$17.99 USD

RCA Fat Bottle Gray Plate Vacuum Tube. Made in USA7591 in 9-T9 bulb and the compactron equivale..

$49.99 USD

Tested 550 & 600 on Hickok 752A. Minimum is 300 ST-16 bulb with same date code of 7-30 ..

$34.99 USD

Tested 925/950 on Hickok 752A, where the minimum is 250. Date code 69-22Triple Mica tube with extra ..

$69.99 USD

NOS tube. Balanced test result of 3000/3000 on Hickok 752A. Minimum is 1600/1600 Yellow Q.C. pa..

$44.99 USD

Tested 900/900 µmhos on Hickok 752A where minimum is 800/800..

$9.99 USD

Tested strong at 575 on Hickok 752A where minimum is 325.Tube is unique with a bright glow. ..

$79.99 USD

Tube #1 tested 300/300 Tube #2 tested 325/325 on Hickok 752A, minimum is 200. The 752A gives a ..

$39.99 USD

Tested 4800/4600 µmhos on Hickok 752A. Minimum is 1900/1900 µmhos. ..

$9.99 USD

Perfectly balanced sections. 1450/1450 mhos, using Hickok 752A tester. Like NOS results, as minimum ..

$18.49 USD

Tested like NOS on Hickok 752A. 1300, where min new is 700 ..

$14.99 USD

Tested 375/400 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..

$19.99 USD

Tested 9250 µmos on Hickok 752A. Minimum is 5000 µmhos..

$7.99 USD

Tested using Hickok 752A ..

$19.99 USD

Gray plates and halo getter. Tested like NOS using Hickok 752APentode 1150, minimum 700. Triode 1075..

$16.99 USD