`` SPECIFICATIONS
Performance
Frequency Reponse (at 1 watt from
Frequency Response (at line out): 20 Hz to 20
kHz ±1 dB.
Power Bandwidth (at
< 0.5% THD
Signal to Noise Ratio (ref. to rated power, master volume at minimum): 85 dB.
DC Output Offset: < ±5 mV.
THD: Less than 0.5% at rated power at 1 kHz.
Input Sensitivity (for full output at maximum gain):
Balanced mic inputs: 3 mV.
Balanced line inputs: 800 mV.
RCA connectors: 400 mV.
Isolated telephone input: 75 mV.
Input Impedance (nominal):
Mic: 400 ohms.
Line: 100 kilohms.
RCA: 50 kilohms.
Telephone: 600 ohms.
Crosstalk:
Line Output Level (nominal): 1V into 10 kilohms.
Phantom Power: 15 VDC.
AC Line Voltages Available:
120V, 60 Hz. Line voltage tolerance +10%,
Operating Temperature/Humidity: 0° C to 40°
Cat 95% relative humidity
Front Panel Controls and Indicators
Power Switch: Pushbutton
Input Volume Controls: Four detented potenti- ometers with knobs.
Input 1: Microphone/line (switchable)/tele- phone.
Inputs 2 and 3: Line.
Input 4: XM radio.
Tone Controls: Bass and Treble
XM Tuner Menu Button: Selects Direct, Preset, or Category mode.
XM Tuner Category Buttons: Scrolls through categories (rock, classical, news, country, etc).
XM Tuner Scroll Knob: Lets you scroll through channels and select them.
XM Tuner Display: LCD screen displays XM channel data (channel number, channel name, artist name, song title), 16 station presets and signal strength.
Power Indicator: Blue LED indicates power on.
Input Signal Presence Indicator: Green LED illuminates when input signal exceeds
Output Signal Presence Indicator: Green LED, illuminates when output signal level exceeds 100 mV (45 dB below full power) from the
Clip Indicator: Red LED on output illuminates at threshold of audible distortion.
Output Volume Control: Detented potentiometer with knob.
Back Panel Controls, Connectors and Indicators
Reset Switch: Resets the circuit breaker that protects the power supply.
MOH 1V Level Control: Trim pot adjusts level for
MOH 1W Level Control: Trim pot adjusts level for
MOH Signal Presence Indicator: Flashes when MOH signal is present.
MOH Source Switch: Switches between Input 3 or XM, and routes the source to MOH 1V Line Out and MOH 1W connectors.
MOH 1W Select Switch: Feeds 1W MOH signal either to amplifier output or internal speaker.
MOH 1V Line Output RCA Connectors: Two RCA connectors (mono) for
MOH 1W Line Output Connector:
MOH 1V Line Output Phoenix Connector:
Phantom Power Switch: Turns phantom power on or off for Input 1.
Mic/line Switch: Selects
Link In/Out Switch: Slide switch. When set to IN, any signal applied to the Amp Input connec- tor will be mixed with the input signal(s); when set to OUT, only the signal from the Amp Input Connector will appear at the amplifier output.
Amplifier Output Connectors:
XM Radio Stereo Line Out Connector: Dual RCA jacks for stereo music out from XM Radio tuner.
Preamp Line Out Connector:
Output VCA Connector:
Priority Connector:
Active Indicator: LED illuminates when VOX ducking is active.
VOX Threshold: Trim pot adjusts how loud the voice must be before ducking occurs. Can be set for no ducking.
Priority Release Control: Trim pot adjusts release time of VOX ducking.
Mic/Line Input Connector (Input 1 only):
Line Input Connectors (Inputs 2 and 3 only):
Dual RCA Input Connector: For stereo music signals, unbalanced, summed together, two connectors per input for inputs 1, 2 and 3.
TEL Input Connector:
Amp Input Connector:
AC Power Inlet: Detachable IEC.
XM Radio Antenna Input: Connects to the XM antenna cable.
Cooling
Convection cooled.
Protection
Current Limit Protection: Included.
Thermal Limit Protection:
Included Accessories
Power cord Detachable rack ears Screws for rack ears
Spade lugs XM antenna Remote control
Optional Accessories
Dimensions
Width (without rack ears): 17.3 in. (43.8 cm).
Width (with rack ears): EIA Standard 19 in. W (EIA
Height (front panel): 3.5 in. (8.9 cm).
Height (including feet): 4.1 in. (10.5 cm).
Depth (front panel to back panel): 12.2 in. (31.0 cm).
Depth (front of knobs to back of
Weight
Net Weight:
20 lb (9.07 kg).
Shipping Weight:
25 lb (11.34 kg)
Regulatory Certifications
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The Crown® 180MAx Pack is the first
controls, and priority ducking.
COMMERCIAL AUDIO