Sylvania Chrome top 6SN7GTB, sold by Dumont.

Tests 1980/1950 for gm where typical NOS is 1700-2000 

Tests 19.3/19.5 for GAIN where typical NOS median is 19 on Maxi Preamp 2.

Listening tested for low noise and microphonics in a Maxi-preamp tester and for music in an amplifier.

All tubes are guaranteed good or may be returned for a full refund.

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

We combine orders for shipping.

We don't change values for customs.  

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