Thread: Beautiful - RCA Victor 621TS
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Old 03-19-2014, 04:37 PM
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M3-SRT8 M3-SRT8 is offline
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Join Date: Oct 2007
Location: Worcester, Mass
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The latest tubes are 6SN7s, all dated 6-30, with a dash. All the tubes have dashes.

I haven't ventured inside the HV cage yet.

Soooo...6-30 is Mid-August. The sound discriminator is a 6AT6. An early production 621TS. Say, September 1946?
Last edited by M3-SRT8; 05-01-2014 at 07:38 AM. Reason: Tube Correction
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