HD Series Combos11Rated Output PowerHD75 75 w (1 kHz, 16 ohm, 1% THD)HD150 150 w (1 kHz, 4 ohm, 1% THD)Rated Input Level (@ 1 kHz)HD75 44.6mv rmsHD150 38.8mv rmsTotal Harmonic Distortion (@ 1 dB below rated output, 1 kHz typical)HD75 0.32%HD150 0.6%Signal To Noise Ratio (1 Wrms @ 1 kHz)HD75 1W/62dBHD150 1W/62dBSignal Gain Speaker OutputHD75 35VHD150 24.5VSignal Gain to Direct Out and Send JackHD75 Send Out: 545mVHD150 Direct Out: 7.6V; Send Out: 900mVEqualizer BASS, MID, TREBLE Center FrequencyBass 50 HzMid 700 HzTreble 10 kHzSeven-Band Graphic EQ Frequencies 63Hz, 125Hz, 250Hz,500Hz, 1.25kHz, 2.5kHz, 5kHzFuse RatingHD75 220V-240V:T1.5AL AC250V100V-120V:T800mAL AC250VHD150 220V-240V:T2AL AC250V100V-120V:T1AL AC250VWeightHD75 48.2 lb24.7 kgHD150 57.8 lb26.2 kgDimensions (HxWxD)HD75 19.9” x 18.6” x 13.9”506 mm x 472 mm x 353 mmHD150 (without wheels) 23.6” x 21.5” x 13.89”599 mm x 545 mm x 353 mmSpecificationsAt Hartke, we are continually improving our products, therefore specifications andimages are subject to change without notice.