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12AX7=CV4004=M8137 Mullard box plates low hours/like new 1972-1973 (Gm=1630/1720)

12AX7=CV4004=M8137 Mullard box plates low hours/like new 1972-1973 (Gm=1630/1720)

$ 154.99

1 low noise tube) CV4004=12AX7 Mullard "Box Plates" low hours/like new in white box

1972-1973 date code

1 section) Gm=1630 (1.2ma)

1 section) Gm=1720 (1.6ma)

Good Gm range = 1600-1800

Recommended for

- EAR 834P
- EAR 864
- Aestetix Rhea phono
- Aestetix Calypso, Io phono
- Art Audio phono
- Audio Research linestage
- Shindo linestage
- Jolida 1000 CD player
- CAT SL-1 Signature Mark III preamp
- Fender Pro Reverb 1967
- Pathos Acoustics T.T. Hybrid Integrated amp (INPOL)
- Belari 129 phono

 

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