EC92 (=6AB4, PC92) Philips West Germany - nos tube

EC92 (=6AB4, PC92) Philips West Germany - nos tube

UHF triode. It can be used as well like a high Mu audio triode. The vintage tube microphone Neumann Gefell UM57 was made with an EC92 valve. Ua max.= 300V, Ik max.= 15mA, S= 5.5mA/V, Uo/Ui= 60, Ug1= -2.0V. These were made by Valvo, Hamburg. The EC92 is exactly half of an ECC81.

Key specifications

• Tube model: ec92
• Close or identical: 6AB4
• Base / socket: B7G (7-pin miniature)
• Heater: 6.3 V / 0.15 A
• Max anode (plate) voltage (Va max): 300 V
• Max plate dissipation (Pa max): 2.5 W
• Max heater-cathode voltage (Vhk max): 100 V
• Max cathode current (Ik max): 15 mA

Links & datasheets

• 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.