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

6BK4C EL4A GE Vacuum Tube Matched Pair

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

$44.99 USD

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

$28.99 USD

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

$179.99 USD

Used tube with strong test result. Tested 1225/1250 on Hickok 752A. Minimum is 770/770 &n..

$34.99 USD

Tested very strong at 600 mhos on Hickok 752A, where the minimum new is 300 Black plate tube wi..

$11.99 USD

Tested 825/875 mhos on Hickok 752A, minimum new is 475Made in England with gray plates and top halo ..

$34.99 USD

Tested very strong at 2750 (min 1350) and 1200/1200 (min 800/800) mhos on Hickok 752A..

$19.99 USD

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