1 tube) 2.1ma/33ma and Gm=2200/5900 (1959) Heerlen Holland

1 tube) 2.1ma/33ma and Gm=2200/6100 (1961) Belgium plant

Matched on Amplitrex

1 section triode) Good Ma = 2.0-2.5ma and Good Gm=2200-2500

1 section pentode) Good Ma = 30-35ma and Good Gm=5500-6500

L=Belgium plant

Recommended for

Audio Note M3, M6, M9
Audio Note L2 Custom linestage – Response Audio, NY (2008)
Audio Note 2.1 kit Level C
Audio Note 3.1 kit
Sansui

Audio Note preamps and DACS (2.1B, 2.1C)
Audio Note DAC 3.1 Signature/Modified
Shindo Concertino 300B amp
Eastern Electric Minimax
Eastern Electric Minimax BBA “”Buffer Booster Amplifier””
KLH Eight radio 1960-1962