NOS 1965 as shown.

Tests 1830/1460 where good is 1400/1000 at 250 volts in a Triplett 3444/Westmore 501 laboratory tube analyzer restored and upgraded by Paul Hart.

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

We cannot be responsible for what tubes test in another tester.

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.