CAYIN SPARK INTEGRATED VACUUM TUBE AMPLIFIER 743D

CAYIN SPARK INTEGRATED VACUUM TUBE AMPLIFIER 743D Description

Two Full Music 300Bs are used for class A S.E amplification. This vacuum tube not only is of great speed to the music signal but also high dynamic.The toroid power transformer and EI audio transformer are specially manufactured for SPARK 743D by applying our unique workmanship which has low magnetic leakage wide frequency response and low impedance.Two 6922s and two 6N8Ps 6SN7s are used in the amplifier.One 5Z3P is used for rectification.All-vacuum tube design all hand-made.POWER OUTPUT 65306; 2 0w ( 8 937;) FREQUENCY RESPONSE 20Hz 65374;20kHz THD 2% 65288;1kHz) INPUT SENSITIVITY 620mV INPUT IMPEDANCE 100k 937; OUTPUT IMPEDANCE 4 937; 12289;8 937; S N RATIO 85dB DIMENSION 320 90 00mm3 WEIGHT 25kg POWER CONSUMPTION 130W nbsp; nbsp;