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ADS 3120 Plus, Руководство по эксплуатации

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Page 12 of 16 

Accessories 

  1 x Instruction Manual 

  1 x Mains Supply Lead 

  1 x 19-inch Rack Mounting Kit 

 

 

Some Possible Interfaces 

 

 

 

 

 

 

 

 

 

100V line out to loudspeakers 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Paging 

Microphones 

Radio Mic 

Receiver 

Tuner 
AUX1 

CD Player 

AUX3 

24V battery 

dc IN 

Microphones can use any MIC input 

(unless the shared AUX is in use) 

Modules can use any AUX input 

(unless the shared MIC is in use) 

 

Booster Amplifier 

Содержание 3120 Plus

Страница 1: ...AINED HEREIN ARE COPYRIGHT AND MAY NOT BE REPRODUCED EITHER WHOLLY OR IN PART IN ANY WAY WHATSOEVER WITHOUT WRITTEN CONSENT OF ADSworldwide Audio Design Services Ltd St David s House Adcroft St Higher Hillgate Stockport Cheshire SK1 3HW UK TEL 44 0 161 666 6363 FAX 44 0 161 666 6366 WEB www ads worldwide net 2008 ...

Страница 2: ...tatement is available for each of the product ranges available on request This covers both the EMC and Low Voltage Directives UNPACKING While all ADSworldwide equipment is carefully packed to prevent damage in transit we recommend that the equipment is unpacked and inspected immediately on receipt If damage has occurred please advise your carrier and your supplier who will arrange appropriate acti...

Страница 3: ... may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation mark within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the appliance TO PREVENT THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICABLE PARTS INSIDE REFER SERVICING TO QUALIF...

Страница 4: ...2 8 Input Connections 9 MIC 1 and MIC 2 9 MIC 3 and AUX 1 9 MIC 4 MIC 5 AUX 2 and AUX 3 9 Phantom Power 10 Loudspeaker Output 10 Loudspeaker Loading 10 Booster Output 11 Variable Output 11 Fixed Output 11 dc Power 11 Facility Terminals 11 dc Output 11 Restoration 11 Accessories 12 Some Possible Interfaces 12 TROUBLESHOOTING 13 SPECIFICATIONS 14 NOTES 15 WARRANTY CONDITIONS 16 ...

Страница 5: ...e front panel supplied with 19 inch rack mount ears Additional features on the new version Plus of the ADS 3120 include XLR and inch 3 pole jack combination sockets for MIC 1 MIC 2 and MIC 3 5 pin DIN sockets for MIC 1 and MIC 2 to accept microphones fitted with a 5 pin DIN plug e g the ADS Signet 1A volume restoration trim control on MIC 1 and MIC 2 Safety Information WARNING THIS APPLIANCE MUST ...

Страница 6: ...t be fitted either in the plug or at the distribution board For mains connection other than in the UK refer to your local requirements for connection to the mains supply IEC Mains Inlet Socket Brown Live Fuse max 5A Fuse Holder 13A Mains Plug Wiring UK Green Yellow Earth Blue Neutral ...

Страница 7: ...DO NOT site the equipment in locations exposed to direct sunlight near heaters or other heat sources Avoid locations with high humidity or dust levels DO NOT obstruct the ventilation slots in the amplifier case and allow adequate ventilation Ensure that a 1U ventilation panel is fitted above the unit if the amplifier is rack mounted DO NOT run microphone cables near mains data telephone or 100V li...

Страница 8: ... MIC 2 24 MIC 1 25 MIC 1 Priority Connection 26 MIC 2 Priority Connection 27 MIC 1 Trim Control 28 MIC 2 Trim Control Priority Connections MIC 1 and MIC 2 Pin Function 1 Signal Positive signal input from the microphone 2 Ground Connect to chassis or screen 3 Signal Negative signal input from the microphone 4 Access Close pins 4 and 5 For priority access 5 Access Close pins 4 and 5 For priority acc...

Страница 9: ... wide range of input sources Adjust this control to reduce noise and provide an acceptable undistorted output level MIC 3 and AUX 1 This microphone input uses an XLR 3 pole jack combination socket see above and is balanced There are no priority functions available with this input The input can be reconfigured as an auxiliary input as follows disconnect the power supply then remove the amplifier to...

Страница 10: ...the input board of the amplifier NEVER remove the top cover of the amplifier or make an internal adjustment with the ac mains supply connected All internal adjustment must be performed by a competent qualified engineer Having taken all the necessary electrical safety precautions remove the top cover of the amplifier and locate the phantom power jumpers for the five microphone inputs Select the app...

Страница 11: ...t The two left terminals see diagram below provide a 24Vdc protected output which can be used to supply external devices such as relays or line pre amplifiers up to 250mA Restoration The two right terminals see diagram below can be used to drive LEDs in some microphones to show that other microphones in the system are currently broadcasting Busy is used to indicate that the system has a priority r...

Страница 12: ...nting Kit Some Possible Interfaces 100V line out to loudspeakers Paging Microphones Radio Mic Receiver Tuner AUX1 CD Player AUX3 24V battery dc IN Microphones can use any MIC input unless the shared AUX is in use Modules can use any AUX input unless the shared MIC is in use Booster Amplifier ...

Страница 13: ...gs Check the trim controls on the rear of the amplifier the input level controls and the master output level control Sound output is low and distorted Amplifier gets very hot Impedance mismatch or a short on the loudspeaker line Oscillation Check the loudspeaker circuit impedance the minimum is shown in the specification Check for any short to ground Make sure that the loudspeaker circuits are kep...

Страница 14: ... 10db at 10kHz Microphone Input Sensitivity MIC 1 2 1mV to 100mV at 600Ω Sensitivity MIC 3 5 1mV at 600Ω S N ratio MIC 1 5 60dB Phantom Power 18Vdc Auxiliary Input Sensitivity AUX 1 3 775mV at 100kΩ 0dB S N ratio AUX 1 3 70dB Booster Output Output Level 1V at 600Ω Chime Bing Bong Note 2 Mute Level 40dB Operating Conditions Mains Power 220 240Vac at 50Hz dc Power 24V ac Power Consumption 320W at ra...

Страница 15: ...Page 15 of 16 NOTES Reference Note ...

Страница 16: ...of date of sale Audio Design Services Ltd personnel examine and judge that the product is defective If it is judged to be defective Audio Design Services Ltd will at their discretion repair or replace the product with new or reconditioned parts or a product of the same or similar design Battery warranty is limited to ninety 90 days When returning this product please contact Audio Design Services L...

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