Weber Copper Cap WS1
Replaces any rectifier tube with solid-state rectifiers for no sag. OK to for use with HIFI tube amps, tube radios, etc. Diodes and Limiter only, No Sag. Voltage drop: 1V max at Maximum Current: 1000ma. Includes a thermistor to give you a few seconds of warm-up, which some amps without a standby switch could benefit from.