6P3S (6П3С) Tetrodes
New old stock (NOS). The tubes are new and have never been used.
Manufactured by the Reflektor factory
Same date code (from the same batch).
Tested and Measured Quad — 6P3S (6П3С) Tetrodes
All tubes of this type are tested on a high-end Soviet military-grade tube tester (L3-3).
Measured parameters are marked on each tube;
the difference between tubes is less than 3%.
Photos show an example of measured tubes.
Lot of 4 (Matched & Balanced Quartet)
For buyers in the USA, the same tubes is available with shipping from the USA:
Shipping:
All orders are shipped by airmail with a tracking number.
I can combine multiple items into one shipment and send you an invoice with reduced shipping cost.
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