Description

Excellent. Test 1620/1660 & 1766/1817 for gm where min is 1040. Listening tested for excessive noise and microphonics in a Maxi-preamp 2 noise tester. All tubes are guaranteed good or may be returned. We cannot be responsible for what tubes test in another tester or in your gear at *** plate voltage. 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.