1950's GE 6072 Triple Mica black plate,,, the best of the best!! Highly recommended for critical applications such as recording microphones and phono stages!
The Brimar CV4004 is an excellent UK made 12AX7 with a quasi boxed anode. Long plate construction, superb for phono stages, hifi, and guitar amps! We have a limited supply of low noise selected tubes, as well as Brimar CV4004 with balanced sections. $119.99 per tube!
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