Height: Width: Depth: 18mm 72mm 47mm -The completeness discrete design which did not use any IC but was constituted 　from a transistor or passive parts. -The transformer linear bias type,less emitter resistance that reduced 　the switching disparity which the final stage causes to a transistor is adopted. rating output (20Hz to 20kHz、」THD+N:0.2%) 100mW+100mW(16ohmload) 150mW+150mW(33ohmload) 170mW+170mW(100ohmload) Frequency properties DC to 100kHz(+0、-1.5dB)、Low level interception frequency is Input coupling) Stop by in a condenser THD+N 0.015%(1kHz、In the output 100mW、33ohmload) S/N 90dB(1kHz、In the output 0.775V、HPF:400Hz、LPF:80kHz) Input impedance 100kohm Recommended headphones impedance 16ohm to 600ohm Power supply +/-12V Output voltage(Gain, sensitivity) 9.9dB+/-0.5dB(DC to 20kHz)