1950's Raytheon 12BH7-A Oval black plate matching pair with bent square getters.

Faded away label on one.

Test very high NOS+ at 3300/3400 & 3600/3800 for gm where 1950 is good in a calibrated Hickok 539B.

Listening tested for excessive noise and microphonics in a Maxi-preamp 2 noise tester.

These look like Sylvania plates and were either made by them or put together at Raytheon. 

Beautifully made tubes.

All tubes are guaranteed good or may be returned.  

Shipping includes insurance.

Please see our other items for more vintage tubes & audio.

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We do not change values for customs.  

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