1 matched pair) 6J5GT Raytheon metal base black ribbed plate NOS 1940”s

1 tube) 9.6ma Gm=2600

1 tube) 9.8ma Gm=2800 (2 very small – very thin – hairline cracks in base – does not effect tube)

Recommended for

– Audio Note monoblocks
– Audio Note Quest mono amps
– Berning Siegfried
– Tektron preamp and amp
– New Audio Frontiers Absolute MKII preamp