1 low noise tube) 12AX7 Mullard UK NOS ribbed plates (163 series)

1 tube) Gm=1800/1700 (1.2/1.3ma) (1974) very good printing

1 tube) Gm=1800/1700 (1.2/1.1ma) (1970)  good printing, but faded

NOS Gm range 1600+

NOS mA = 1ma

Recommended for

- Victoria

- Bogner Ecstasy

- Bad Cat

- Sur SL-68 (hand wired)

- Fender

- Two Rock

- Top Hat King Royale

- Soldano SLO-100 (Mark Knopfler, Eric Clapton)

- Marshall 1959HW Plexi

- Marshall JVM-210H 2007-2008

- Diezel Herbert head

- Gibson GA-6 1957

- Trace Elliot C30

- Mesa Boogie Triaxis 2 preamp
- Mesa Boogie Mark 2C+ 1984
- Goodsell Super 17 M.K. 2 head
- Jolida CD player
- Landgraff Custom 50W
- Lexicon Signature 284