6550A GE stapled plates used/good 1980”s (115ma)

6550A GE stapled plates used/good 1980”s faded printing good getter

115ma

Gm=9200

Tested on Amplitrex

NOS Ma range 120-140ma

(warm and punchy midrange, good bass, a very good 6550 second only to Tungsol 6550 in overall sound and drastically superior to Svetlana or Sovtek 6550)

– ARC VT60, ARC VT100 MarkII and MarkIII, Ref. 300, Ref. 600
– Audio Research Reference 3 line-stage power supply
– Luxman
– Rogue
– Cary
– VTL MB300, MB450, ST-150
– CJ Premier 8 and 11A, 12
– Jadis
– Ampeg SVT
– Comins Alessandro Jazz Guitar Amp
– Cary SLI-80
– THD
– VAC PA100/100
– McIntosh 275 MK IV 2005
– Harmon Kardon
– Audio Aero Capitole Integrated amp