selected preamp tube 12AT7WC NOS-selection balanced (RT004)

The original US-made mil. grade JAN version in TAD Premium NOS-selection quality. This tube is used in old Fender amps or hi-fi applications and produces a smooth reverb. It replaces the 6201, E81CC and ECC801 and upgrades ECC81 and 12AT7. Manufacturer: Philips USA as JAN 12AT7WC (6201)

All preamp tubes labeled Premium Selected have passed the following tests:
– Low Noise Test
– Microphonic Test
– Gain Test
– Sonic Tests
– Shock Tests
– Listening Tests
– Balanced Output Test