12AY7/6072a Balanced Gold Pin (stereo / HiFi)

Especially for Audio-Stereo applications selectet 12AY7 / 6072a with extremly low tolerances in amplification factor for perfectly balanced stereo channels.

Note: this selection is not required for guitar amplifiers use. For guitar amplification we recommend the RT007 12AY7 Premium Select!!

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