6X4 (=EZ90, CV2212, CV4005, U78, 6Z31, 6202) RCA USA - nos tube

6X4 (=EZ90, CV2212, CV4005, U78, 6Z31, 6202) RCA USA - nos tube

Full-wave rectifier for low power applications. This type is indirectly heated. Vkf= max. 450V, Vi= 300V, Io= 70mA, Cfilt.= 32uF. With Choke-Input to Filter: Vi= 370V, Io= 70mA, Lfilt.= 10H. Rs= 370R

Key specifications

• Tube model: 6x4
• Close or identical: CV493 , CV8203 , CV8223 , CV8237 , EZ90 , U78
• Different rating or performance: 6063
• Different filament voltage: 12X4
• Base / socket: B7G (7-pin miniature)
• Heater: 6.3 V / 0.6 A

Links & datasheets

• Valve Museum / r-type exhibit
• Valve Museum / r-type exhibit
• Radiomuseum tube page
• R-type PDF datasheet

Technical data and equivalence information are compiled from public sources and may contain errors. Always verify suitability and ratings from original manufacturer datasheets before use.

NOS tubes are stored in our external warehouse. Most NOS tubes are therefore not available for immediate pickup from our physical shops. Please allow an additional 2–5 business days for delivery.