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MERIDIAN M2500 USER GUIDE
Meridian Audio Ltd
14 Clifton Road
Huntingdon
Cambridgeshire PE18 7EJ
England
Tel (0) 1480 52144
Fax (0) 1480 459934
Meridian America Inc
3800 Camp Creek Parkway
Building 2400 Suite 112
Atlanta GA 30331
USA
Tel (404) 344-7111
Fax (404) 346-7111
Author: Duncan M Smith
“Boothroyd|Stuart Meridian”, MERIDIÅN
and “Meridian Digital Theatre” are
registered trademarks of Meridian Audio
Ltd
© Meridian Audio Ltd 1995
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2 Introduction In choosing a Meridian M2500 Active Subwoofer, you have acquired refined equipment which will bring you listening pleasure for many years to come. Whether as part of an enhanced stereo system or a full home theatre, the subwoofer is designed to bring you the highest quality sound possible. This manual should help you get the best from it. If you have any queries regarding the M2500, remember that Meridian Dealers have been selected for their expertise. You should refer to your dea
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3 • 1 power cord suitable for your territory • 1 long phono-phono analogue audio lead If any of these items is missing, please contact your dealer. We suggest that you retain the packaging carefully, as it provides maximum protection in transit. Getting Going IMPORTANT : Before connecting to the AC supply, check that the unit has been manufactured to the correct supply voltage for your territory. IMPORTANT : Do not make any alterations to the connections of your system with the M2500 AC power sw
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4 • Thus if you have stereo subwoofers, which are best for music reproduction, place them near the Left and Right speakers. Then the bass will blend optimally between the main speakers and the subwoofers and the system will image well. • If you are using the subwoofer as a mono or centre subwoofer, place it close to the centre of the room at the front, ideally under the centre channel if you have one. • The front of the subwoofer should be directed at the listening seats if possible. In home the
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5 Connections All connections to the subwoofer are made on the recessed panel at the rear of the unit. The unit should be switched off before any connections to the system are changed. Power AC mains is connected to the IEC power inlet. Where possible connect the M2500 to an grounded socket using the mains lead provided. Try to use a separate AC power outlet for each active speaker. The use of adapter units is discouraged as they degrade the sound quality. Unbalanced Audio Unbalanced audio may b
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6 Calibration Calibrating the subwoofer may be done in conjunction with the setup procedure of your surround sound decoder if you have one. On the 565 Digital Surround Processor this is Calibration mode. See the 565 User Guide for further details. Crossover Selection The M2500 has three crossover settings which can be selected with the two toggle switches on the rear panel. It is vital that these are set correctly. 125 Hz BYPASS 80Hz Pushing the right hand switch to BYPASS bypasses the crossover
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7 you have a 565, this can be done in the 565 Calibration procedure. If not, turn off the subwoofer and connect to the negative unbalanced inputs, L-, or L- and R-, instead of the positive. Fitting the Spikes When the subwoofer is finally positioned and calibrated, the spikes and optional covers can be fitted. 1. Assemble each spike by screwing on a lock nut until it is about 2mm away from the spike end of the thread. 2. Unscrew and remove the castor at one corner of the unit. 3. Screw in a spik
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8 Cleaning Turn off the subwoofer at the power switch before cleaning. The cabinet of the M2500 is finished with veneer and can be wiped clean with a damp cloth. The heatsink is anodised and painted aluminium which can be dusted with a paint brush if necessary. Do not use abrasive cleaners on any part of the M2500. Help! No Sound. • Check the AC power supply to the M2500. The green light on the front should be lit. • Check the AC supply to the other units in the system. • Check that the correct
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9 Bass sounds coloured. You may have selected the wrong crossover frequency for your system. See the section on Crossover Selection. Subwoofer squawks, producing high frequency sounds. You may have inadvertently selected bypass. Does your preamp or surround sound decoder have an internal crossover? See the section on Crossover Selection. Service The Meridian M2500 has been carefully designed to give years of untroubled service. In the unlikely event that your M2500 fails to function correctly, i
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10 Guarantee The Meridian M2500 is guaranteed against defects in material and workmanship for 12 months from the date of purchase. The guarantee is void if the M2500 has been subjected to misuse, accident or negligence, or has been in any way tampered with or modified without the written authorisation of DGW Ltd. Attempted servicing by unauthorised people may invalidate the guarantee. Labour and carriage charges are not covered unless by local agreement. If you request service under guarantee, p
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11 M2500 User Guide
