1 low noise pair) 12AX7=ECC83 Philips Miniwatt Holland like new "O" getter halo 1961 in white boxes 

1 tube) Gm=1800/1900 (1.4/1.6ma) (delta1K4)

1 tube) Gm=1700/1900 (1.4/1.5ma) (delta1H2)

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