Arcturus 56 triode - blue globe bottle, engraved base
This gorgeous 56 vintage 5-pin triode by Arcturus has a blue globe bottle and engraved black base in outstanding condition. I've listened to this tube in a 300B SET amplifier and verified that it is not microphonic and it does not hum.
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This gorgeous 56 vintage 5-pin triode by Arcturus has a blue globe bottle and engraved black base in outstanding condition. I've listened to this tube in a 300B SET amplifier and verified that it is not microphonic nor does it hum. This is the kind of rare beauty worth showcasing in an amp. Tube tests as new: 2100 (over a min. of 920). This tube is sold individually. Photo is of actual tube.
Arcturus 56 triode - blue globe bottle, engraved base Reviews
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