NO MICROPHONY, NO HUM - CLEAN WARM TONE, PUNCHY MIDS, FAT OVERDRIVE HIGHGRADE selected quality for the most demanding...

VERY LOW NOISE, SOFT HIGH, & EDGY WITH DOMINANT MIDS Very low noise but slightly less gain than a regular 12AX7. Soft...

WITH A BIT MORE EDGE AND SUPER LOW MICROPHONICS TAD 7025-WB Highgrade PREMIUM Selected is a low noise, super low...