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Commercial Audio Series

Mixer-Amplifi ers

Operation Manual

page 18

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Содержание 135MA

Страница 1: ...product please contact your local Crown Distributor If you need assistance locating your local distributor please contact Crown at 574 294 8000 This manual does not include all of the details of design production or variations of the equipment Nor does it cover every possible situation which may arise during installation operation or maintenance The information provided in this manual was deemed a...

Страница 2: ...L REMAIN READILY OPERABLE POUR DÉMONTER COMPLÈTEMENT L ÉQUIPEMENT DE L ALIMENTATION GÉNÉRALE DÉMONTER LE CÂBLE D ALI MENTATION DE SON RÉCEPTACLE LA PRISE D ALIMENTATION RESTERA AISÉMENT FONCTIONNELLE PARA DESCONECTAR COMPLETAMENTE EL EQUIPO DEL SUMINSTRO ELECTRICO DESCONECTE EL CABLE DE ALI MENTACION DE LA TOMA DE CA LAS PATAS DEL CONECTOR DEL CABLE DE ALIMENTACIÓN DEBERAN MANTENERSE EN BUEN ESTAD...

Страница 3: ...00 4 2 1995 Electrostatic Discharge Immunity Environment E2 Criteria B 4k V Contact 8k V Air Discharge EN 61000 4 3 1996 Radiated Radio Frequency Electromagnetic Immunity Environment E2 Criteria A EN 61000 4 4 1995 Electrical Fast Transient Burst Immunity Criteria B EN 61000 4 5 1995 Surge Immunity Criteria B EN 61000 4 6 1996 Immunity to Conducted Disturbances Induced by Radio Frequency Fields Cr...

Страница 4: ...ors 7 2 Setup 8 2 1 Installation 8 2 2 How to Attach the Unit to a Rack 8 2 3 Choose Input Wire and Connectors 9 2 4 Choose Output Wire and Connectors 10 2 5 Wire Your System 11 2 6 Phantom Power 11 3 Operation 12 3 1 Powering Up 12 3 2 Priority Muting 12 3 3 Voice Activated VOX Muting 12 3 4 Music On Hold 12 3 5 Security Knobs 12 4 Troubleshooting 13 5 Specifications 14 6 Service 15 7 Warranty 16...

Страница 5: ...th a volume control and one 35W amplifier output channel in 135MA 4 inputs each with a volume control and one 60W amplifier output channel in 160MA Ideal for paging background music and music on hold Balanced Phoenix type mic line input telephone output dual RCA stereo music inputs Priority muting by VOX or external switch Bass and Treble controls on master output Three Year No Fault Fully Transfe...

Страница 6: ... C D E F G H C Output Signal Presence Indicator Green LED above master output volume control illuminates when any input signal exceeds 40 dBu D Output Signal Clip Indicator Red LED above master output volume control flashes brightly at threshold of audible distortion E Power Indicator Blue LED indicates power on F Input Volume Controls One per input detented potentiometers with knobs Four controls...

Страница 7: ... Routes CH1 to MOH output 6 On Routes CH2 to MOH output 7 On Routes CH3 to MOH output 8 On 15V phantom power D Input Connectors 2 4 160MA or 2 3 135MA Unbalanced line level RCA type connectors summed to mono E Preamp Line Out Connector 3 pin bal anced Phoenix type for connection to exter nal amplifiers Level independent of master volume control F MOH Level Control Trim pot adjusts level for Music ...

Страница 8: ...its for convection cooling The side walls of the rack should be a minimum of two inches 5 1 cm away from the mixer ampli fier sides and the back of the rack should be a minimum of four inches 10 2 cm from the mixer amplifier back panel 2 2 How to Attach the Unit to a Rack 1 Order the optional Rack Mount Kit from your Crown dealer Part no RM1 is a single rack mount kit for mounting a single MA unit...

Страница 9: ...d but may result in noise over long cable runs The 135MA and 160MA have two types of input connectors Phoenix type and RCA Mic Line Connector CH1 5 pin Phoenix type balanced pins 3 4 and 5 Figure 2 3 Dual RCA Input Connector other channels For stereo music signals unbalanced summed together two connectors per input Figure 2 4 Figure 2 3 Mic Line Connector Figure 2 4 Dual RCA Input Connectors To st...

Страница 10: ...6 40 ft 14 AWG 41 60 ft 12 AWG 61 100 ft 10 AWG 101 150 ft 8 AWG 151 250 ft 6 AWG NOTE Custom wiring should only be performed by qualified personnel Class 2 wiring is required CAUTION Never use shielded cable for output power wiring Use 2 conductor shielded cable and a 3 pin Phoenix type connector for Preamp Line Output Figure 2 7 Music On Hold Connections If you have an external music source conn...

Страница 11: ... to speaker negative lead connect one of the other terminals to speaker positive lead Cover the output connections with the supplied clear non touch cover by sliding the cover on 2 6 Phantom Power Condenser mics require phantom power to operate If you are using a condenser microphone on Input 1 turn on DIP switch 8 on the back of the mixer amp The microphone must be able to work on 15V phantom pow...

Страница 12: ...ow this procedure On the back of the 135MA or 160MA 1 Turn DIP switch 2 off Turn DIP switch 3 on 2 Connect a push to talk mic contact to the Priority Connector Figure 3 1 Input 1 is the priority input for the amplified output so Input 1 mutes the other inputs 3 3 Voice Activated VOX Muting If you want a voice to mute the background music or other input signals follow this proce dure On the back of...

Страница 13: ...OTE Your mixer am plifier should never be operated at a level which causes the Clip LEDS to illuminate constantly Master volume level is too high Turn it down to about 3 4 of maximum level CONDITION No sound POSSIBLE REASON The amplifier is in fault mode A Fault status can be triggered when one of the amplifier s protection circuits is activated First disconnect your speakers from the affected cha...

Страница 14: ...only 400mV Input Impedance nominal Mic 2 2 kilohms Line 10 kilohms RCA 10 kilohms Crosstalk below rated power 82 dB 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 15 VDC AC Line Voltages Available Universal Power Supply Line voltage tolerance 15 20 Operating Temperature Humidity 20 C to 40 C at 95 rela...

Страница 15: ...els prior to sending the unit Or if you prefer you may prepay the cost of shipping and Crown will reimburse you Send copies of the shipping receipts to Crown to receive reimbursement Your repaired unit will be returned via UPS ground Please contact us if other arrangements are required Factory Service Shipping Instruc tions 1 Service Return Authorization SRA is required for product being sent to t...

Страница 16: ...roduct at our authorized service center or our factory All expenses in remedying the defect including surface shipping costs in the United States will be borne by us You must bear the expense of shipping the product between any foreign country and the port of entry in the United States including the return shipment and all taxes duties and other customs fees for such foreign shipments HOW TO OBTAI...

Страница 17: ... depreciation on the product from the date of original purchase Warranty work can only be performed at our authorized service centers We will remedy the defect and ship the product from the service center within a reasonable time after receipt of the defective product at our authorized service center HOW TO OBTAIN WARRANTY SERVICE You must notify your local Crown importer of your need for warranty...

Страница 18: ...Commercial Audio Series Mixer Amplifiers Operation Manual page 18 This page intentionally left blank ...

Страница 19: ..._____________________ City ____________________________ State ___________________________ Zip Code ________________ Country __________________________ E mail address ___________________________________________ Phone include area code ___________________________ Fax __________________________________ PRODUCT INFORMATION MODEL SERIAL PURCHASE DATE e g IT8000 CDi1000 PCC160 e g 8000000000 mo day yr _...

Страница 20: ...Commercial Audio Series Mixer Amplifiers Operation Manual page 20 This page intentionally left blank ...

Страница 21: ..._____________________________ Other equipment in your system _________________________________________________________________________________________________________________________________________________________ If warranty is expired please provide method of payment Proof of purchase may be required to validate warranty PAYMENT OPTIONS I have open account payment terms Purchase order required ...

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