Crown CTS 2000 Commercial Audio, `` Specifications, Performance, Included Accessories, Dimensions

`` SPECIFICATIONS

Performance

Frequency Response (at line out): 20 Hz to 20 kHz +/- 1 dB.

Signal to Noise Ratio (master volume at minimum): 100 dB.

THD: 0.05% typical with 800 mV balanced input, 1V output.

Input Sensitivity (volts RMS for full output at maximum gain):

Balanced mic inputs: 3 mV.

Balanced line inputs: 800 mV.

RCA connectors: 400 mV.

Input Impedance (nominal):

Mic: 400 ohms.

Line: 100 kilohms.

RCA: 50 kilohms.

Crosstalk (all controls at “10”): –50 dB at

1kHz.

Line Output Level (nominal): 1.2 V into 10 kilohms.

Phantom Power: 15 VDC.

AC Line Voltages Available:

100V 50/60 Hz

120V 60 Hz

220V 50/60 Hz

230V 50/60 Hz

240V 50/60 Hz

Operating Temperature/Humidity: 0° C to 40°

Cat 95% relative humidity (non-condensing).Storage Temperature: –20° C to 85° C.

Front Panel Controls and Indicators

Power Switch: Pushbutton on-off switch. The power switch does not affect the 24V DC auxiliary power input.

Input Volume Controls: Microphone/line, four in 14M, eight in 28M. Detented potentiometers with knobs.

Tone Controls: Bass and Treble non-detented potentiometers on each input channel. Bass ±10 dB at 100 Hz, Treble ±10 dB at 10 kHz.

Power Indicator: Blue LED indicates power on.

Input Signal Presence Indicator: Green LED, one for each input channel, illuminates when input signal exceeds –24 dBu (line) or –70 dBu (mic).

Output Signal Presence Indicator: Green LED, one for each output channel, illuminates when output signal level exceeds 100 mV.

Clip Indicators: Red LED, one per output channel. Illuminates at threshold of audible distortion.

Output Volume Controls: One per output chan- nel. Detented potentiometer with knob.

Back Panel Controls and Connectors

Fuse: Protects the power supply.

AC Power Inlet: Detachable IEC.

Auxiliary Power Input: 2-position terminal strip for 24 VDC (±10%) backup power. Accepts up to 10 AWG terminal forks.

Mixer Config Switch: A DIP switch with two functions:

1.Assigns an input as the priority input for each output, thereby temporarily muting the remaining inputs. Muting is activated by contact closure.

2.Global enable switch for phantom power. Does not affect RCA inputs. Default position is off.

Priority Connector: 3-pin Phoenix-type connec- tor allows Input 1 or Input 5 (28M only) to mute other input signals by contact closure.

Input Routing Switch (28M only): DIP switches that assign each input signal to each output. Two switches per input.

Line Out Connector: One 3-pin balanced Phoe- nix-type connector per output channel. Level controlled by master volume control.

Input Connectors:

Mic/Line Connector: 3-pin Phoenix-type, bal- anced, one per input channel.

Dual RCA Input Connector: For stereo music signals, unbalanced, summed together, two connectors per input channel.

The tone generator has been omitted. Call Crown Tech Support if you have a tone genera- tor question.

Mic/line Switch: Selects mic-level or line-level signals. One switch for each balanced input

Included Accessories

Power cord

Detachable rack ears

Phoenix-type connectors

Spade lugs

Dimensions

EIA Standard 19-inch (48.3-cm) rack mount width (EIA RS-310-B) with rack ears, 1.7-inch (4.3-cm) height and 10.7-inch (27.18-cm) depth

behind the mounting surface.

Weight

Net Weight:

14M: 8.7 lb (3.9 kg)

28M: 8.7 lb (3.9 kg)

Shipping Weight:

14M: 14 lb (6.4 kg)

28M: 14 lb (6.4 kg)

Regulatory Certifications

12/07 138119-1D

The Crown® 14M and 28M are high-value mixers for commercial and industrial audio. The mixers are part of Crown’s Commercial Audio Series, which also includes mixer-amplifiers and power amplifiers. These low-cost units provide all necessary features in a simple building-block format. Some applications include schools, hospitals, factories, restaurant/retail, houses of worship, fitness facilities, A/V boardrooms, correctional facilities, and small offices. Typical uses are paging, background music, security and evacuation instructions. Input routing allows each input to be assigned to any output. You can add more mixers for more inputs, or add more power amps (or mixer-amps) to handle more zones.

Other features include priority muting and phantom power.

COMMERCIAL AUDIO