(!!!!) (Recommended Pair) EL34 Mullard branded Philips and GE NOS XF4 1977-1979 (99ma and 101.5ma)

1 pair) EL34 Mullard NOS XF4 same build 1 tube) 101.5ma Gm=11,650 branded Philips 1979 1 tube) 99.0ma Gm=12,100 branded GE 1977 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