Crown Audio 140MPA operation manual Specifications, KHz with 0.5% THD

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Commercial Audio Series Mixer-Amplifiers

5 Specifications

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

3 mV

800 mV

Balanced line inputs

400 mV

RCA connectors

 

 

 

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

0o C to 40o C at 95% relative humidity

 

(non-condensing)

 

 

Storage Temperature

–20oC to 85o 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)

 

 

Operation Manual

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Contents Some models may be exported under the name Amcron Commercial Audio SeriesUse only with a cart, stand, tripod, bracket, or Important Safety InstructionsEuropean Representative’s Name and Address Safety StandardDeclaration of Conformity Crown International, IncTable of Contents Welcome FeaturesFront Panel Controls and Indicators Power Indicator Blue LED indicates power onPower Switch Pushbutton on-off switch Input 3 Section Back Panel Controls, Connectors and Indica- torsAC Power Inlet Detachable IEC Priority Section Input 4 SectionLocate the two rack ears and two rack-ear screws supplied SetupInstallation How to Attach Rack EarsMic/Line Connectors Amp Input Connectors Choose Input Wire and ConnectorsMusic-On-Hold Connections Choose Output Wire and Connectors26-40 ft 41-60 ftHow to link another mixer to the 140MPA Wire Your SystemPhantom Power Link In/Out Switch12 Wiring a 1-VCAP Level Control to the Output VCA Connector Remote Volume ControlMusic-On-Hold Powering UpOperation Priority DuckingTroubleshooting No input signal Input signal level is very lowVice Center for servicing KHz with 0.5% THD SpecificationsService 12/01 WarrantyWorldwide Except USA & Canada Mo/day/yr FaxThis page Intentionally Left Blank Model Individual or Business Name Phone # Fax #‰ Personal/Consumer ‰ Business/Corporate Commercial Audio Series Mixer-Amplifiers Commercial Audio Series Mixer-Amplifiers