1 low noise tube) ECC83=12AX7 ADZAM Holland NOS (161-delta9I=1959) large "O" getter halo

1 tube) Gm=1400 (0.8ma)

1 tube) Gm=1600 (1.1ma)

NOS Gm range 1600+

NOS mA 1mA+

- very good bass, lively mids, 3D soundstage, similar sound to Amperex Bugle Boy from same era

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