1940's RAYTHEON VT-231 JAN-CRP 6SN7GT T Plate Preamp Tube.

Tests 2650/2700 where 1640 is min good in a calibrated Hickok 539-B tester.

Listening tested in my amps driver stage. 

Very detailed and lively sound.

All tubes are guaranteed good or may be returned.  

Shipping includes insurance.

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

We combine orders for shipping.

We do not change values for customs.  

Thank You.