1 low noise tube) 12DW7=7247 Magnavox Mullard UK used/good 1963 faded printing – faded date code
0.9ma Gm=1500 (12AX7) good
13.6ma Gm=2500 (12AU7) very strong
(1 section = 7025 = 12AX7 low noise voltage gain)
(1 section = 12AU7 phase splitter)
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


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