6N7=VT-96 RCA used/test like new mid-1940”s (3.1/3.2ma) 1-2% section balance

JAN-CRC-6N7 RCA used/test like new mid-1940”s

3.1ma Gm=1500

3.2ma Gm=1500

(6N7=6A6=ECC31, 6N7=Type 53 with different filament voltage, also see 5694)
(the best sounding 6N7 type ever made is the ECC31 Mullard)

– Sun Audio SV-6V6SE 2008