1 low noise tube) ECC85=6AQ8 Sylvania black plates NOS 1970 era

1 section) 12.2ma Gm=6300

1 section) 9.8ma Gm=5700

• Tested on Amplitrex AT1000
  
• Good Ma range 9-11ma
• Good Gm = 6000
  
• Vplate = 250V, Vgrid = -2V
• Low Noise and not microphonic

(6AQ8 Specs: Filament=6.3V @ 435ma, Mu=57, Gm=5700, the best sounding are Telefunken, Siemens, Holland and Mullard)

Recommended for

– Luxman MQ80 amp
– EAR 509 amp
– EAR 534 amp
– EAR 890 amp
– EAR 834 Integrated amp
– Scott 335 Tuner
– Consonance M500
– Don Allen preamp
– TL Audio iTube Valve Dock mk II (2010)
– Music Angel KT88 MkIII