May I use solid-state replacements for 6x4 rectifier tubes (Quicksilver Full Function preamp)? | Steve Hoffman Music Forums
6X4 Tube Full Wave High Vacuum Rectifier, Various US Brands. Miniature heater-cathode type twin diode designed for full-wave rectifier operation in compact power supplies. MFR: RCA. SKU: 6X4. New old stock. No
Support de Tube Céramique 7 Pins Plaqué Or 6Z4 6X4 EZ90 - Audiophonics