1 Matched Pair) 12AU7 Mullard UK NOS 1965-1966 same build (Gf2 series)

1 tube) 10.2/12.4ma and Gm=2100/2300 (IEC Mullard 1965)

1 tube) 10.6/12.0ma and Gm=2100/2200 (10M Mullard 1966)

• smooth midrange, good bass, musical, low noise
• Matched on Amplitrex
• Good Gm range 1800-2200
• Good Ma range 8-10ma
• Low Noise and not microphonic

Recommended for

- Concert Fidelity CF-080LS Hybrid Line Stage Preamplifier
- Ampeg SVP-PRO Bass Preamp
- Velleman K4000 kit
- Audio Note CD2
- ROTH AUDIO MC4 MUSIC COCOON 2009
- Eastern Electric Minimax
- Hovland