1 pair) 408A Western Electric used/good 1964-1969
1 tube) 76/60 (1964)
1 tube) 74/60 (1969)
Tested on B&K
above 70 is good
20V Filament
– Yamamoto HA-02 Headphone Amp
– Little Dot Hybrid I+
$7.50 $24.99
1 pair) 408A Western Electric used/good 1964-1969
1 tube) 76/60 (1964)
1 tube) 74/60 (1969)
Tested on B&K
above 70 is good
20V Filament
– Yamamoto HA-02 Headphone Amp
– Little Dot Hybrid I+
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