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

Special Low Noise Edition “...very linear, large full sound stage, very musically detailed...”. Classic large plate...

PREMIUM TOP QUALITY WITH LOWEST NOISE, CLEAN TONE WITH BIG BOTTOM, WARM MIDRANGE AND SILKY TOP END The TAD 5751...

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