EZ81 (=6BW4, 6CA4, 6AX5GT) Philips Holland - nos tube

EZ81 (=6BW4, 6CA4, 6AX5GT) Philips Holland - nos tube

Full-wave 100mA rectifier for medium power applications. Near equivalent to EZ80. This type is indirectly heated. Vkf= max. 450V, Vi= 325V RMS, Io= 70mA, Cfilt.= 4uF, Rs= 150R. With Choke-Input to Filter: Vi= 450V RMS, Io= 70mA, L filt.= 8H. Rs= 0R. 6AX5GT have higher current limits.

Key specifications

• Tube model: ez81
• Close or identical: 6CA4 , CV3996 , CV5072 , U709
• Base / socket: B9A (Noval (9-pin))
• Heater: 6.3 V / 1.0 A

Links & datasheets

• Valve Museum / r-type exhibit
• Valve Museum / r-type exhibit
• 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.