VALVE: KT77 JJ × 4

OUTPUT POWER：≥52W×2（8Ω）

FREQUENCY RESPONSE：20HZ-60KHZ

LOSE TRUE DEGREE：≤2%(40W)

SIGNAL NOISE RATIO:≥85DB(AWEIGHT)

SIGNAL INPUTS LEVEL:≤300MV

LOAD IMPEDANCE：8Ω OR 4Ω

COMSUMPTION OF POWER SOURCE:220W