1 low noise tube) 12AX7=ECC83 Philips Miniwatt Holland like new "o" getter halo in white boxes

1 tube) 1.1/1.2ma Gm=1550/1600 (165-delta4F5) faded printing in white box

1 tube) 1.3/1.2ma Gm=1700/1600 (165 series) 1965 era faded date code

NOS mA range 1.0ma+ 

NOS Gm range 1600+

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