A Collection of Svetlana 6550C and General Electric 12AT7WC Vacuum Tubes
Condition report:
The items appear to be New Old Stock (NOS) in original packaging. The glass envelopes and bases show no visible cracks, chips, or signs of use. One tube is currently outside of its original box. The cardboard packaging exhibits minor age-related wear, toning, and handwritten inscriptions. All tubes are sold as seen and have not been tested for electronic performance, gain, or transconductance.
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