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(!!!) (BEST VALUE SINGLE) 7247=12DW7 Hammond Mullard UK used/like new 1963 (1.1ma and 9.2ma)

(!!!) (BEST VALUE SINGLE) 7247=12DW7 Hammond Mullard UK used/like new 1963 (1.1ma and 9.2ma)

$ 49.99

7247=12DW7 Hammond Mullard UK used/like new (B3F3=1963)

1.1ma Gm=1600 (12AX7)

9.2ma Gm=1950 (12AU7)

 

(1 section = 7025 = 12AX7 low noise voltage gain)

Good Gm 1600+

(1 section = 12AU7 phase splitter)

Good Gm 1800+

 

 

Recommended for:

- Fisher 400 CX-2

- Eico 2510 amp

- Eico ST-70 preamp 1961

- Ampeg SVT 1974, VT40

- Quicksilver silver sixty mono amps

- SWART amp (vibroto/tremolo)

- SWART Atom (2012)

- Eico 2036 amp

- Li'l Dawg Amps

See more: vacuum tube
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