1 pair) 6GU7 RCA NOS 1971-1972 same build
1 tube) 10/13ma Gm=3100/3600
1 tube) 11/12ma Gm=3200/3300
for:
Moscode 401HR amp and 402Aa amp
Moscode 150 modified
Singlepower PPX3 SLAM
Audio Research D-79 amp
$6.60 $21.99
1 pair) 6GU7 RCA NOS 1971-1972 same build
1 tube) 10/13ma Gm=3100/3600
1 tube) 11/12ma Gm=3200/3300
for:
Moscode 401HR amp and 402Aa amp
Moscode 150 modified
Singlepower PPX3 SLAM
Audio Research D-79 amp
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