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(!!) (Good Value) 7247=12DW7 GE NOS but each 12AX7 section is 65-70%, 12AU7 section 100% - 1967 same date codes (1 pair)
(!!) (Good Value) 7247=12DW7 GE NOS but each 12AX7 section is 65-70%, 12AU7 section 100% - 1967 same date codes (1 pair)
$ 34.99
1 matched pair) 7247 GE NOS same date codes (SW) 1967, low 12AX7 section on each tube
12AX7 Section = 0.7ma Gm=1300 and 0.6ma Gm=1200
12AU7 Section = 9.4ma Gm=2100 and 9.2ma Gm=2100
Tested on Amplitrex
12AX7 Section NOS = 1.0ma and Gm=1600
12AU7 Section NOS = 8-10ma and 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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 (Good Value) 7247=12DW7 GE NOS but each 12AX7 section is 65-70%, 12AU7 section 100% - 1967 same date codes (1 pair)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_95f96ba4-2fff-462e-9818-94680dcc2d2d.jpg?v=1572282362){kind=link}
 (Good Value) 7247=12DW7 GE NOS but each 12AX7 section is 65-70%, 12AU7 section 100% - 1967 same date codes (1 pair) "Pin It")