1 low noise tube) 12AX7=ECC83 FISHER HOLLAND used/good (delta0L4=1960) large "O" getter halo in white box, excellent printing

Gm=1550 (.9ma)

Gm=1600 (1.0ma)

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

- Art Audio MPA Gold pre
- Fender Tremolux 1963
- Jolida