Amplifier Power Tubes (Valves) – 5881, 6550, 300B

Amplifier Power Tubes (Valves)

Widely used in guitar and audio amplifiers, recording studio equipment and in a variety of applications for audiophiles.

Available as SINGLES, MATCHED PAIRS and MATCHED QUADS

All vacuum tubes go through an extended burn-in period to ensure superior stability. A rigorous final test verifies every important parameter for flawless tube functioning; In particular this includes insulation characteristics, vacuum level, cathode emission efficiency, filament voltage, plate currents, and microphonics.