Crown CTS 3000 Stereo Amplifier User Manual


 
COMMERCIAL AUDIO
T
he Crown
®
180MAx Pack is the first tuner-mixer-amplifier and loudspeaker system designed for
commercial use. It is designed for easy installation. Applications include restaurants, retail stores,
coffee shops and other commercial establishments. The system includes the Crown 180MAx tuner-
mixer-amplifier (also available separately), four JBL
®
Control
®
1ST 2-way loudspeakers with built-in
70V transformers, XM antenna and a wireless remote control. Built into the 180MAx is an XM Radio
tuner that receives satellite radio stations with digital sound quality. The unit also accepts signals from
line, telephone, or microphone (phantom power included). Other features include bass and treble
controls, and priority ducking.
SPECIFICATIONS
Performance
Frequency Reponse (at 1 watt from 4-ohm
tap): 70 Hz to 19 kHz ±1 dB.
Frequency Response (at line out): 20 Hz to 20
kHz ±1 dB.
Power Bandwidth (at 4-ohm tap, 2 dB below
maxium 1 kHz power): 50 Hz to 20 kHz with
< 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: –70dB at 1kHz.
Line Output Level (nominal): 1V into 10
kilohms.
Phantom Power: 15 VDC.
AC Line Voltages Available:
120V, 60 Hz. Line voltage tolerance +10%,
–20%.
Operating Temperature/Humidity: 0° C to 40°
C at 95% relative humidity (non-condensing).
Storage Temperature: –20° C to 85° C.
Front Panel Controls and Indicators
Power Switch: Pushbutton on-off switch.
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 non-detented
recessed potentiometers on each input channel.
Bass ±10 dB at 100 Hz, Treble ±10 dB at 10 kHz.
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 –24 dBu
(line) or –70 dBu (mic).
Output Signal Presence Indicator: Green LED,
illuminates when output signal level exceeds
100 mV (45 dB below full power) from the
4-ohm tap.
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 Music-On-Hold 1V output.
MOH 1W Level Control: Trim pot adjusts level
for Music-On-hold 1W output.
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 1-volt output (in
parallel with 600-ohm connectors, so they are
isolated).
MOH 1W Line Output Connector: 3-pin Phoenix
connector provides Music-On-Hold signal of
approximately 1 watt.
MOH 1V Line Output Phoenix Connector: 3-pin
Phoenix connector, 600-ohm transformer-iso-
lated output, provides Music-On-Hold signal of
approximately 1 volt.
Phantom Power Switch: Turns phantom power
on or off for Input 1.
Mic/line Switch: Selects mic-level or line-level
signal for Input 1.
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: 4-position
terminal strip with COM (Common), 4 ohms,
25V and 70V terminals. Accepts up to 10 AWG
crimp-on terminal forks. Non-touch cover
included.
XM Radio Stereo Line Out Connector: Dual
RCA jacks for stereo music out from XM Radio
tuner.
Preamp Line Out Connector: 3-pin balanced
Phoenix-type connector. Post master, pre-VCA.
Level controlled by master volume control.
Output VCA Connector: 3-pin Phoenix-type
connector for two VCA control lines of +10 VDC
and ground. Compatible with Crown 1-VCAP
module.
Priority Connector: 3-pin Phoenix-type connec-
tor for push-to-talk mic switch. Contact closure
activatges ducking. Ducking does not affect
Music-On-Hold outputs or XM stereo line out.
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): 3-pin
Phoenix-type, balanced.
Line Input Connectors (Inputs 2 and 3 only):
3-pin Phoenix-type, balanced.
Dual RCA Input Connector: For stereo music
signals, unbalanced, summed together, two
connectors per input for inputs 1, 2 and 3.
TEL Input Connector: Transformer-isolated
600-ohm input, summed into Input 1 for paging
from a telephone system.
Amp Input Connector: 3-pin Phoenix-type,
high-impedance balanced. Used to link an
additional mixer to the mixer-amplifier. Can be
used to connect an external processor.
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: Over-temperature
thermal cutout.
DC-Fault Load Protection: Included.
Included Accessories
Power cord
Detachable rack ears
Screws for rack ears
Non-touch cover for output connectors
Phoenix-type connectors
Spade lugs
XM antenna
Remote control
Optional Accessories
1-VCAP remote volume control.
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 (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 non-touch
cover): 13.9 in. (35.2 cm).
Weight
Net Weight:
20 lb (9.07 kg).
Shipping Weight:
25 lb (11.34 kg)
Regulatory Certifications
1/06 139495-1A