WANT TO TRADE Svetlana 6550 C Matched QuadNOS St. Petersburg, Russia usedWANT TO TRADE Svetlana 6550 C Matched Quad NOS St. Petersburg, Russia  6550 CWant to trade for Like Quality Quad of EL34's for my Dynaco MK IV's Particularly wanting Sylvania el34 Fat Boys Svetlana 6550C Matched Quad NOS,St. Petersburg, Russia Made in St. Peter...1.00

WANT TO TRADE Svetlana 6550 C Matched Quad NOS St. Petersburg, Russia 6550 C

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Condition
10/10
Payment methods
Ships fromBradenton, FL, 34207
Ships toUnited States
Package dimensionsunspecified
Shipping carrierUSPS
Shipping costFree
AverageResearch Pricing
Amended on

I also have some quads of 6550 Winged C NOS

Want to trade for Like Quality Quad of EL34's for my Dynaco MK IV's
Particularly wanting Sylvania el34 Fat Boys

Svetlana 6550C Matched Quad

NOS,St. Petersburg, Russia

Made in St. Petersburg, Russia factory pre 2003

Original Svetlana SV6550C manufactured in the Svetlana factory.

(Rectangle holes on plates) 1990's Date codes, Matched on my B&K 707 and tested on my Cary V12
no shorts or leaks.

Not to be confused with the Svetlana 6550C tube manufactured at the New Sensor Corp.
owned by Xpo-Pul factory (also known as Reflektor) (Round holes on plates)
re branded version of one of the Sovtek or Electro-Harmonix tubes.

Rectangle holes = St Petersburg Round holes= Reflector/New Sensor.

Last of the best, Very Rare

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Mark
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