MPA-30 (320-2034) Specifications Facback Doc. # 8735 Output Power at 4 ohms 1 kHz, 10% THD...........................20 watts Power Bandwidth at 5W, 10% THD, Aux Input......................40Hz-45kHz T.H.D. at 10W, 1kkHz with 30kHz Low Pass Filter MIC.1..........................................................0.22% MIC 2..........................................................0.22% AUX............................................................0.38% PHONO..........................................................0.36% Input Sensitivdity at 10% THD, 1kHz MIC 1..........................................................2.5mV MIC 2..........................................................2.5mV AUX............................................................150mV PHONO..........................................................2.4mV Signal-to-Noise Ratio (Input Shorted) with 30kHz Low Pass Filter MIC 1...........................................................65dB MIC 2...........................................................65dB AUX.............................................................67dB PHONO...........................................................64dB Frequency Response at 4 ohms +/-3dB Mic 1.....................................................90Hz-15kHz Mic 2.....................................................90Hz-15kHz AUX..................................................... .90Hz-15kHz Tone Control (High Cut at 10kHz)....................................-15dB Hum and Noise at 4 ohms with 30kHz Low Pass Filter at Master Volume Min...........................................1.2mV at Master Volume Max and Other Min..............................12mV Power Requirement............................................AC 120V 60Hz ...................................................................DC 12V Dimensions (HxWxD)..............................3 x 11 1/2 x 7 3/4 Inches Weight............................................................7.7 Lbs (smm 03/04/94)