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Svetlana 6550 I.D.

my understanding was the winged C was always printed on the tube AND box until New Sensor took over. I never had Svetlana 6550's but all my el34's were winged C with bright, thick red lettering because I bought them earlier than 98.

I used a lot of them for Marshall repairs.



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  • Svetlana 6550 I.D. - Story 16:08:09 01/15/21 (2)

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