Crown Audio 140MPA - Manual (Page 15)

Commercial Audio Series Mixer-Amplifiers
page 15 Operation Manual
Minimum Guaranteed Power 140MPA
1 kHz with 0.5% THD
Minimum guaranteed power into 4 ohms or 25V/70V output
40W
Performance
Number of input channels 4
Number of power amplifiers 1
Input Sensitivity (volts RMS) for full output at maximum gain
Balanced mic inputs
Balanced line inputs
RCA connectors
3 mV
800 mV
400 mV
Frequency Response (at 1 watt from 8-ohm tap, 50 Hz - 15 kHz) ± 1 dB
Frequency Response (at line out, 50 Hz to 15 kHz) ± 1 dB
Power Bandwidth (at 8-ohm tap, 2 dB below maximum 1 kHz power) 50 Hz to 20 kHz with < 0.5% THD
Signal to Noise Ratio (ref. to rated power, master volume at minimum) > 90 dB
Total Harmonic Distortion (THD) at rated power at 1 kHz < 0.5%
DC Output Offset < ± 5 mV
Input Impedance (nominal) Mic: 400 ohms, Line: 100 kilohms,
RCA: 50 kilohms
Crosstalk (all controls at “10”) –70 dB at 1 kHz
Line Output Level (nominal) 1V into 10 kilohms
Phantom Power 15 VDC
AC Line Voltages Available 120V, 60 Hz.
Line voltage tolerance +15%, –20%
Operating Temperature/Humidity 0 o C to 40 o C at 95% relative humidity
(non-condensing)
Storage Temperature –20 o C to 85 o C
Construction
Cooling Convection cooled
Dimensions Width without rack ears: 17.3 in. (43.8 cm)
Width with rack ears: EIA Standard 19 in. W (EIA RS-310-B)
Height of front panel: 3.5 in. (8.9 cm)
Height including feet: 4.1 in. (10.5 cm)
Depth from front panel to back panel: 12.2 in. (31.0 cm)
Depth from front of knobs to back of non-touch cover:
13.9 in. (35.2 cm)
Net Weight, Shipping Weight 17 lb (7.7 kg), 22 lb (9.98 kg)
5 Specifications