Archon 50 mk2 tubes

gbarth77

New Member
Joined
Jan 6, 2023
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2
Forgive me if this has already been covered but I bought an Archon 50 from a major online retailer marked "blem" and it wasn't really sounding right. Took the back screen off and found it had 6l6gcm-str tubes instead of the 6CA7s and it was out of bias at 40mv. Figuring someone just swapped the tubes out, didn't like it and sent it back. Will 6L6GCM-STR tubes damage the amp or is there a known mod that needs to be done? Thanks in advance!
 
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