matched quad 6P3S (NOS)
Russian 6P3S (6П3С) tetrode is used in output stages of low frequency amplifiers. It is russian variant of electron tube 6L6GB. It may be used instead of tubes 6L6G, 6L6GA and 6L6GB. Maximum anode voltage is 400V, maximum voltage of the second grid is 300V. Tubes were measured with L3-3 tube tester. Will be delivered in original boxes with measured parameters. Tubes were produced in the 80's. Manufacturer: Reflector (Saratov).
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