AU1 / CV1264 / NU12 / FW4-500

Rectifier valve for high power supply stage. Characterized by a very solid structure and a high filament current, about 3.4 Ampere. Excellent valves for AUDIO amplification supply stages. Naturally suitable for any civil and military circuit.

EQUIVALENCE: 803_rectifier = ZA7001 = NU12 = AU1 = FW4/500 = U18 = U18/20 = AZ50 = 45IU