1960-1970’s GE NOS 12AX7 tested and noise tested $79.99 per tube. Warm, punchy and clear and sound excellt when driveninto distortion,,,excellent for guitar amps where low noise and low microphonics are required!
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!