(!!) (Best Overall Pair) 6N7 RCA metal can NOS 1940's (3.3/3.2ma and 3.3/3.2ma) 1-2% matched
By Tube World
$ 24.99
1 pair) 6N7 RCA metal can NOS mid-1940's
1 tube) 3.3/3.2ma Gm=1500/1500
1 tube) 3.3/3.2ma Gm=1600/1500
Good Ma range 2.5-3.0ma
Good Gm range 1400-1600
(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
See more: vacuum tube
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 (Best Overall Pair) 6N7 RCA metal can NOS 1940's (3.3/3.2ma and 3.3/3.2ma) 1-2% matched "Pin It")