1 low noise slightly microphonic tube) 12AX7=ECC83 Mullard UK branded Philips Miniwatt ribbed plates NOS (161-B2L1=1962) very good printing

Gm=1600 (1.0ma)

Gm=1650 (1.2ma)

- slightly microphonic when tube is tapped in headamp 

NOS Gm range 1600+

NOS Ma = 1.0 mA+

Recommended for

- Victoria

- Bogner Ecstasy

- Bad Cat

- Sur SL-68 (hand wired)

- Fender

- Two Rock