1 low noise tube) 5692 CBS Hytron Brown base NOS 1957 in white box
1 section) 9.4ma Gm=2500
1 section) 9.0ma Gm=2500
 

Good Ma range 7-9ma

Good Gm range 2300-2600

Recommended for

(highly recommended for Cary audio gear and George Wright line amp)
(detailed, quiet, good bass, nice resolution)

- MFA Luminescence C (Pre-amplifier)
- Audio Note Conquest 1998
- Cary preamps and amps
- Cary SLP-05
- Darkvoice
- Wright Sound WLA12A preamp
- Eico HF89
- Border Patrol