6N7P series common cathode double triode. Good consistency, high balance for push-pull amplifier inverter circuit. This tube has the right characteristic, can work at zero grid pressure, the sound quality is mellow and true. In order to appreciate the charm of 6N7P, the author uses 6N7P to form a two-channel preamp. Use 1.5V battery as grid bias. The filament is powered by DC. The current of 6N7P working point is 23mA, and the sound of the sound is bold. Very listening.
Mini Circuit breakers, also named as the air switch which have a short for arc extinguishing device. It is a switch role, and also is a automatic protection of low-voltage electrical distribution. Its role is equivalent to the combination of switch. Fuse. Thermal Relay and other electrical components. It mainly used for short circuit and overload protection. Generally, According to the poles, Mini Circuit Breaker can be divided into 1P , 1P+N , 2P, 3P and 4P.
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