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EM Acoustics Loudspeakers

Building 74

Dunsfold Park

Cranleigh

Surrey

GU6 8TB

UK

www.emacoustics.co.uk

AQ-3 amplifier

User Manual v1.0

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Содержание AQ-3

Страница 1: ...EM Acoustics Loudspeakers Building 74 Dunsfold Park Cranleigh Surrey GU6 8TB UK www emacoustics co uk AQ 3 amplifier User Manual v1 0...

Страница 2: ...AQ 3 Operating Instructions Page 2...

Страница 3: ...plifier Performance Measurements Error Bookmark not defined Connecting To Your Amplifier Inputs 10 Connecting To Your Amplifier Speaker Outputs 11 Connecting To Your Amplifier Bridged Mono Operation 1...

Страница 4: ...408990 Type Designation E4 75 and all OEM variants of this model are manufactured in accordance with EMC Directive 2004 108 EC in compliance with the following norm s or document s Technical Regulatio...

Страница 5: ...ducts Your AQ 3 power amplifier utilises proprietary designed load impedance sensing output circuitry which enables the amplifier to drive the high voltage swings associated with speaker impedances of...

Страница 6: ...d ensure that no objects filled with liquids such as vases are placed on the equipment To completely disconnect this equipment from the AC mains disconnect the power cord from the mains circuit breake...

Страница 7: ...empli des liquides comme les vases n est plac sur l quipement Pour compl tement d brancher cet quipement de la conduite principale de courant alternatif d branchez la corde de pouvoir du disjoncteur d...

Страница 8: ...cord For safety reasons THE EARTH LEAD SHOULD NOT BE DISCONNECTED IN ANY CIRCUMSTANCE If ground loops are encountered consult the section on connecting your amplifier on page 11 The wiring colours are...

Страница 9: ...m rack mounting systems ENSURE THERE IS ADEQUATE VENTILATION The cooling fans suck cool air in through the front and blow hot air out at the rear of the unit through the ventilating grills The front a...

Страница 10: ...hould still be twin core plus screen PIN1 Screen connected to the chassis of the unbalanced equipment or left disconnected at the unbalanced end PIN2 Hot signal PIN3 Cold ground 0V NOTE This amplifier...

Страница 11: ...t as above There must be no shared connections between channels Negative output terminals must not be joined together as they are not both at ground potential Connecting them together will damage the...

Страница 12: ...ir C D The method is the same for both channel pairs Supply signal to Channel A or C input only and push in the appropriate rear panel switch marked BRG A B or BRG C D Use Channel A or C s Output Spea...

Страница 13: ...LED This indicates if the channel is linked to its immediate neighbour The link switches are on the rear panel see page 15 for details 6 PRC LED This illuminates if the Power Reduction Control has be...

Страница 14: ...smoky environment it should be cleaned of any collected debris at regular intervals Please also see the notes regarding maintenance on page 17 It is important that the power output of your amplifier...

Страница 15: ...k all outputs to input A press all three switches IN and use input A only The front panel attenuators will still operate independently when channels are linked Bridged mono switch A B Press this switc...

Страница 16: ...mode the minimum impedances are 8 ohms Note 1 Negative ve output terminals must not be joined together since they are not both at 0V 2 Because the currents involved are very high the speaker cables sh...

Страница 17: ...t debris on the finger guards they can be cleaned with a dry paintbrush and a vacuum cleaner The casework of the amplifier may be cleaned with a lightly dampened cloth do not use any solvents as they...

Страница 18: ...ity into 4 ohms NOTE Factory setting is normally link 1 2 32dB gain Setting higher gain does not change the maximum available power but changes the level of signal input to achieve maximum power In an...

Страница 19: ...62 Boxed shipping 12 62 Additional Specifications Parameter Units AQ 3 Input Impedance Active Balanced Ohms 20k Input CMRR dB 60 SNR dB 105 Damping Factor 1kHz 8 ohms 400 Signal Limiters Present Yes...

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