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)<br> <br>All preamp tubes labeled Premium Selected have passed the following tests:<br>- Low Noise Test<br>- Microphonic Test<br>- Gain Test<br>- Sonic Tests<br>- Shock Tests<br>- Listening Tests<br>- Balanced Output Test<br><br>