6AQ5A

Miniature 7-pin beam power amplifier pentode featuring controlled heater warm-up characteristics, widely favored in consumer and musical applications for its efficient audio power output. Equivalents: 6AQ5, EL90, 6005, CV1862. Real-Life Examples: Fender Champ (specifically Champ-Amp model 5F1) guitar amplifiers, vintage Gibson GA-5 amplifiers, Hammond M3 organ internal power amps.