Crown Audio Music Mixer 140MAx User Manual

C O M M E R C I A L A U D I O S E R I E S  
140MAx Pack  
he Crown® 140MAx Pack is the first tuner-  
mixer-amplifier and loudspeaker system  
designed for commercial use. It is designed  
for easy installation by the user. Applications  
include restaurants, retail stores, coffee shops  
and other commercial establishments.  
T
The system includes the Crown 140MAx tuner-  
mixer-amplifier, two JBL® Control® 1S 2-way  
loudspeakers, and two 25-ft. speaker cables.  
Features  
Ideal for commercial and industrial use; can be  
installed by the user  
Priority ducking  
XM Radio Music-On-Hold outputs  
Built into the 140MAx is an XM Radio tuner that  
receives satellite radio stations with digital sound  
quality. A front-panel LCD screen displays XM  
Radio channel data (channel number, channel  
name, artist name, song title) 16 station presets  
and signal strength.  
4 inputs, one input volume control, and one  
40W amplifier output channel  
Two JBL Control 1S 2-way 8-ohm speakers  
with cables included  
Balanced Phoenix-type mic/line input;  
XLR-type mic input, dual RCA stereo music  
inputs, screw-terminal speaker outputs  
One-Year, No-Fault, Fully Transferable war-  
ranty completely protects your investment  
and guarantees its specifications  
Programmable XM Radio tuner with XM  
channel data display  
The unit also accepts signals from line, telephone,  
or microphone (phantom power included). The  
priority ducking feature drops the volume of the  
background music when a microphone is used.  
A VOX sensitivity setting controls how loud the  
voice must be before ducking occurs.  
Input Sensitivity (for full output at maximum  
gain):  
XM Tuner Display: LCD screen displays XM Radio  
channel data (channel number, channel name,  
artist name, song title), 16 station presets and  
signal strength.  
Balanced mic inputs: 3 mV.  
Balanced line inputs: 800 mV.  
RCA connectors: 400 mV.  
Telephone connector: 75 mV.  
The built-in power amplifier provides 40 watts into  
a 4-ohm output (for use with the supplied JBL  
Control 1S loudspeakers). Current and thermal  
limiting protect the amplifier and loudpeakers  
from accidental overload.  
Power Indicator: Blue LED indicates power on.  
Input Impedance (nominal):  
Mic: 400 ohms.  
Line: 100 kilohms.  
RCA: 50 kilohms.  
Telephone: 600 ohms.  
Back Panel Controls, Connectors and  
Indicators  
MOH 1V Level Control: Trim pot adjusts level for  
140MAx Specifications  
Performance  
Frequency Reponse (at 1 watt from 4-ohm tap):  
80 Hz to 15 kHz 1 dB.  
Music-On-Hold 1V output.  
MOH Signal Presence Indicator: Flashes when  
MOH signal is present.  
Crosstalk: –70dB at 1kHz.  
Line Output Level (nominal): 1V into 10 kilohms.  
Phantom Power: 15 VDC.  
MOH 1V Line Output RCA Connectors: Two RCA  
connectors (mono) for 1-volt output (in parallel  
with 600-ohm connectors, so they are isolated).  
Power Bandwidth (at 4-ohm tap, 2 dB below  
maxium 1 kHz power): 80 Hz to 20 kHz with  
< 0.5% THD.  
AC Line Voltages Available:  
120V, 60 Hz. Line voltage tolerance +10%, –20%.  
MOH 1V Line Output Phoenix Connector: 3-pin  
Phoenix connector, 600-ohm transformer-isolated  
output, provides Music-On-Hold signal of approxi-  
mately 1 volt.  
Signal to Noise Ratio (ref. to rated power,  
master volume at minimum): 85 dB.  
Operating Temperature/Humidity: 0° C to 40° C  
at 95% relative humidity (non-condensing).  
DC Output Offset: < 5 mV.  
Storage Temperature: –20° C to 85° C.  
THD: Less than 0.5% at rated power at 1 kHz.  
Amplifier Output Connectors: 2-position terminal  
strip with COM (Common) and 4-ohm terminals.  
Accepts up to 10 AWG crimp-on terminal forks.  
Non-touch cover included.  
Front Panel Controls and Indicators  
Power Switch: Pushbutton on-off switch.  
*
1 kHz  
140MAx  
Power  
Input Volume Control (Levels): One detented  
encoder with knob. Microphone/line (switchable).  
AC Power Cable: Permanently attached.  
Minimum guaranteed power  
into 4 ohms  
XM Radio Stereo Line Out Connector: Dual RCA  
jacks for stereo music out from XM Radio tuner.  
XM Tuner Menu Button: Selects Direct, Preset or  
Category mode.  
40W  
Priority Connector: 3-pin Phoenix-type connec-  
tor for push-to-talk mic switch. Contact closure  
activates ducking. Ducking does not affect Music-  
On-Hold outputs or XM stereo line out.  
XM Tuner Category Buttons: Scrolls through  
categories (rock, classical, news, country, etc).  
*1 kHz Power: refers to maximum power in watts at  
1 kHz with 0.5% THD.  
XM Tuner Scroll Knob: Lets you scroll through  
channels and select them.  
 

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