Solid State Rectifier – Octal plug – to replace 5AR4/GZ34, 5U4, 5Y3 vacuum tube rectifiers – any standard octal-based rectifier with incoming AC on pins 4 & 6 and DC being taken on pin 8. Unlike other solid state rectifiers on the market, the Dabbs Audio SSR-1 is constructed with series connected premium 1000PIV, 1.5 Amp, Fast-Recovery diodes providing 2000 PIV and noise/switching suppression capacitors.