Crown 14M pojačalo
  • Crown 14M pojačalo

Crown 14M pojačalo

proizvođač: Crown

Easily configured for a range of uses such as paging, background music, security, and evacuation instructions, Crown's Commercial Audio units are the smart choice for commercial sound.

8

cena: 608 $

GARANCIJA DVE GODINE!!!

Dodatna pitanja

info telefoni: 011/334-56-17, 011/3340-749, 063/586-473

Karakteristike

Ideal for commercial and industrial use
Expandable by adding Crown Commercial Audio Series amplifiers or mixer-amplifiers
Balanced Phoenix-type mic/line inputs
Any input can be sent to any output channel
Built-in four-tone generator
Priority muting
Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment and guarantees its specifications

Opis

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° 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. 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 channel. 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 Confi g 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 connector allows Input 1 or Input 5 (28M only) to mute other input signals by contact closure.

 

 

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

 

Tone Generator Connector: 5-pin Phoenix-type connector. Tones include Pre-Announce Chime, Bell, Alert Tone, and Evacuate Tone. All tones are activated by contact closures on the connector.

 

Tone Level: One potentiometer per output channel sets the volume of the tones. Tone level is not affected by output volume controls.

 

Input Connectors:

 

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

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

 

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

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