Russian Mature Tubes File

High-gain preamps (note: requires a minor wiring change for heater voltage). Go to product viewer dialog for this item.

: Soviet factories often used specialized materials, such as heavy-duty glass envelopes and unique plate coatings, which contribute to a distinct "warm" or "transparent" sound profile. russian mature tubes

Massive power triodes used in high-end "Single Ended Triode" (SET) amps. Go to product viewer dialog for this item. High-gain preamps (note: requires a minor wiring change