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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


 

 

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