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(!!!!) (Best Pair #2) 7247=12DW7 Mullard UK NOS rebranded RCA 1972 (1.5/11.5ma and 1.7/11.4ma) 1-3% matched
(!!!!) (Best Pair #2) 7247=12DW7 Mullard UK NOS rebranded RCA 1972 (1.5/11.5ma and 1.7/11.4ma) 1-3% matched
$ 149.99
1 low noise pair) 7247 Mullard UK rebranded RCA NOS 1972
1 tube) 1.5ma Gm=1900 and 11.5ma Gm=2300
1 tube) 1.7ma Gm=2100 and 11.4ma Gm=2300
Tested on Amplitrex
12AX7 Section Good = 0.9-1.2ma Gm=1500-1600+
12AU7 Section Good = 8-10ma Gm=1800-2200+
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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 (Best Pair #2) 7247=12DW7 Mullard UK NOS rebranded RCA 1972 (1.5/11.5ma and 1.7/11.4ma) 1-3% matched "Pin It")