NOS (New Old Stock)

Northern Electric, Canadian arm of Western Electric.Tested 650/725 µmhos on a Hickok 752A. Min&..

$14.99 USD

NOS vacuum tube made in Japan and tested 1050/1000 µmhos on Hickok 752AMinimum is 475. NIB with shor..

$44.99 USD

NOS vacuum tubes made in Japan and tested 575/575 µmhos on Hickok 752AMinimum is 400. &n..

$11.99 USD

The pentode sections are perfectly matched. All have the same QO code.Hickok 752A tested 600/1050, 6..

$44.99 USD

Tested 8250 µmhos on Hickok 752A. Minimum is 5000µmhos. ..

$34.99 USD

Matched quad of NOS tubes branded Philips with Mullard, Blackburn "B" codeHickok 752A results are: 9..

$79.99 USD

Identically matched pair of NOS tubes branded Philips with Mullard, Blackburn "B" codePentodes 775, ..

$104.99 USD

Matched quad of NOS tubes branded Philips with Mullard, Blackburn "B" codeHickok 752A results are: 8..

$189.99 USD

Matched quad of NOS tubes branded Philips with Mullard, Blackburn "B" code3 - 27GB5A & 1 - 27GB5..

$119.00 USD

NOS exactly matched pair Made in 1962 at the Mullard factory in Blackburn EnglandHickok 752A tested ..

$69.99 USD

Closely matched pair of NOS tubes branded Philips with Mullard, Blackburn code (B1L1).Tested 1025/11..

$24.99 USD

5 closely matched NOS tubes branded Philips with Mullard, Blackburn "B" codeHickok 752A results are:..

$19.99 USD

Tubes tested New: 1000, 1025, 1025 & 1100 µmhos on Hickok 752A. Minimum is 700Same date codes, J..

$17.99 USD

Tested 325/350 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..

$17.99 USD

This is a pair of NOS vacuum tubes designated "RB" and made in the USA.Tested on a Hickok Model 752A..

$89.99 USD