1 matched pair) EL34 Mullard branded Philips NOS XF4 1979

1 tube) 85.0ma Gm=11,450 

1 tube) 85.5ma Gm=11,100 

Matched on Amplitrex

Good mA range 70-90ma

Good Gm range 10,000-12,000

Recommended for

- Univalve amp
- Sonic Frontiers
- VTL
- Manley
- Marantz 2
- Audio Sculpture Equilibre or Audio Matiere Equilibre
- VOX AC50, AC100 Super DeLuxe

- Mad Professor amp, Marshall 50 watt Plexi
- Germino Fillmore Classic, VOX AC50, CJ Premier 4, Dynaco ST70
- Matchless Chieftain 1995
- Park 75
- Cornell Plexi 45/50 2003
- Two Rock
- Hiwatt DR-103 1971
- Aestetix power supply
- ASL aq1006-845 dt
- 65AMPS Producer
- Tophat Emplexador