Crown 160MA

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Opis proizvoda:

The Crown 160MA is a high value mixer-amplifiers for commercial audio. It provides 8 ohm and constant-voltage outputs (70V and 100V). Typical uses are paging, background music, and music-on-hold. The 160MA provides 4 inputs (each with a volume control) and a 60W amplifier output. Other features include priority muting, voice activated muting, phantom power, and Bass and Treble controls.

4 inputs (each with a volume control), and one 60Wamplifier output channel
Ideal for paging, background music, and music-on-hold
Balanced Phoenix-type mic/line input, telephoneoutput, dual RCA stereo music inputs, screw-terminal speaker outputs
Priority muting by VOX or external switch
Bass and Treble controls on master output
Three-Year, No-Fault, Fully Transferable Warranty completely protects yourinvestment and guarantees its specifications

Karakteristike:

Minimum guaranteed power into 8 ohms or 70V/100Voutput: 60W
Frequency Response (at 1W from line out): 50Hz to20kHz +/-1dB; 19Hz to 34kHz +0, -3dB
Signal to Noise Ratio (ref. to rated power, mastervolume at minimum): Mic: >58dB; Line: >60dB; Telephone: >60dB; Inputs2, 3 or 4: >78dB
THD+N: <0.5% at rated power at 1kHz; <0.1% at5W at 1kHz
Input Sensitivity (for full output at maximum gain):Input 1: Mic 3mV, Line 800mV; Input 2: 400mV; Input 3: 400mV; Input 4: 400mV
Input Impedance (nominal): Mic: 2.2 kilohms; Line: 10kilohms; RCA: 10 kilohms
Crosstalk: -82dB at 1kHz (ch. 1 line input 0.8V, ch.1 volume at minimum, other channel volumes at maximum)
Line Output Level (nominal): 1V into 10 kilohms
Phantom Power: 15V DC
AC Line Voltages Available: Universal Power Supply.Line voltage tolerance +15%, -20%.
Operating Temperature/Humidity: 0? C to 40? C at 95%relative humidity (non-condensing)
Storage Temperature: -20? C to 85? C
Dimensions (W x H x D): 9.5" x 4.1" x 13.9"(including feet and knobs)
Weight: 9 lbs 7 oz net; 12 lbs 4 oz shipping

Front Panel Controls and Indicators

Power Switch: Pushbutton on-off switch
Input Volume Controls: Four controls, one per input.Detented potentiometers with knobs
Tone Controls: Bass and Treble non-detented recessedpotentiometers under master output volume control. Bass ?10 dB at 100 Hz,Treble ?10 dB at 10 kHz
Power Indicator: Blue LED indicates power on
Input Signal Presence Indicators: Green LED, oneabove each channel's input attenuator, illuminates when input signal exceeds-40 dBu
Input Signal Clip Indicators: Green LED, one aboveeach channel's input attenuator, flashes brightly at threshold of audibledistortion
Output Signal Presence Indicator: Green LED abovemaster output volume control illuminates when any input signal exceeds -40 dBu
Output Signal Clip Indicators: Red LED above masteroutput volume control fl ashes brightly at threshold of audible distortion
Master Output Volume Control: Detented potentiometer with knob

Back Panel Controls, Connectors and Indicators

AC Power Inlet: Detachable IEC accepts US or Eurostyle power cords
Amplifier Output Connector: 4-position terminalbarrier block with COM (Common), 8 ohms, 70V and 100V terminals. Accepts up to10 AWG terminal forks. Non-touch cover included
Preamp Line Out Connector: 3-pin balancedPhoenix-type for connection to external amplifiers. Level independent ofmaster volume control
Input Connector 1: 5-terminal Phoenix connector. 3terminals for balanced signal, 2 terminals for priority contact closure, whichmutes other channels when DIP switch 3 is on.
Input Connector 2: Unbalanced line-level RCA-typeconnectors
Input Connector 3: Unbalanced line-level RCA-typeconnectors
Input Connector 4: Unbalanced line-level RCA-typeconnectors
Telephone (MOH) Output Connector: 4-terminal Phoenixconnector (2 terminals for 1W output to 8-ohm speaker, 2 terminals for 600-ohmoutput to PBX music-on-hold port)
MOH Level Control: Trim pot adjusts level forMusic-On-Hold output from Telephone (MOH) Output Connector
Amp Configuration DIP Switch: DIP switch selectionfor multiple functions. 1. On: Sets CH1 to Mic Input. Off: Sets CH1 to LineInput. 2. On: Sets CH1 to Normal mode (no priority). 3. On: CH1 prioritycontact closure mutes other channels. 4. On: CH1 VOX mutes other channels bysensing signal through Input 1. 5. On: Routes CH1 to MOH output. 6. On: RoutesCH2 to MOH output. 7. On: Routes CH3 to MOH output. 8. On: 15V phantom power.
VOX Threshold: Trim pot controls how loud the voiceon CH1 must be before muting other channels. Can be set for no muting
Cooling: Convection cooled
Protection: Included protection mechanisms arecurrent limiting, over-temperature thermal cutout, and DC-fault loadprotection. The unit is protected against turn-on/turn-off thumps
Included Accessories: Power cord, Non-touch cover foroutput connectors, Phoenix-type connectors
Optional Accessories: Part no. IST 600-ohm Isolation Transformer forTelephone Output or Input 1. Part no. RM1 single rack mount kit for mounting asingle MA unit in a rack. Part no. RM2 double rack mount kit for mounting twoMA units side-by-side in a rack. Part no. S-Cover 10-pack of securityknobs.