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Imporrtaant SSaafety P

Prrecaautions

Power-C

Cord P

Protection

Power supply cords should be routed so that they are not likely to be walked
on or pinched by items placed upon or against them, paying particular
attention to cords at plugs, convenience receptacles, and point where they
exit from the product. 

Lightning

For added protection for this product during a lightning storm, or when it is
left unattended and unused for long periods of time, unplug it from the wall
outlet and disconnect the antenna or cable system. This will prevent damage
to the product due to lightning and power-line surges.

Overloading

Do not overload wall outlets, extension cords, or integral convenience
receptacles as this can result in a risk of fire or electric shock.

Object aand LLiquid EEntry

Never push objects of any kind into this product through openings as they
may touch dangerous voltage points or short-out parts that could result in a
fire or electric shock. Never spill liquid of any kind on the product.

Servicing

Do not attempt to service this product yourself as opening or removing
covers may expose you to dangerous voltage or other hazards. Refer all
servicing to qualified service personnel.

Damage R

Requiring S

Service

Unplug this product from the wall outlet and refer servicing to qualified
service personnel under the following conditions:
a)

When the power-supply cord or plug is damaged

b)

If liquid has been spilled, or objects have fallen onto the product

c)

If the product has been exposed to rain or water

d)

If the product does not operate normally by following the operating
instructions. Adjust only those controls that are covered by the
operating instructions as an improper adjustment of other controls may
result in damage and will often require extensive work by a qualified
technician to restore the product to its normal operation

e)

If the product has been dropped or damaged in any way

f)

When the product exhibits a distinct change in performance - this
indicates a need for service.

Replacement P

Parts

When replacement parts are required, be sure the service technician has
used replacement parts specified by the manufacturer or have the same
characteristics as the original part. Unauthorised substitutions may result in
fire, electric shock, or other hazards.

Safety C

Checks

Upon completion of any service or repairs to this product, ask the service
technician to perform safety checks to determine that the product is in
proper operating condition.

Heat

The product should be situated away from heat sources such as radiators,
heat registers, stoves, or other products (including amplifiers) that produce
heat.

6

Summary of Contents for MS909W

Page 1: ...MS909W Subwoofer Owners M Manual ...

Page 2: ......

Page 3: ...ion that will ensure you get the very best from your new loudspeakers Note This model is supplied in two mains voltage ratings Please refer to product rear panel for rating Contents Introduction 3 Safety P Precautions 4 Subwoofer C Controls 7 Attaching F Feet t to Y Your S Subwoofer 9 Running I In 9 Connecting Y Your S Subwoofer 9 Getting T The M Most F From Y Your S Subwoofer 10 Taking C Care o o...

Page 4: ...BS 1363 type of plug is used a 3 Amp or 5 Amp fuse must be fitted either in the plug or adaptor or on the distribution board For safety reasons please read the following instructions and the enclosed Important Safety Information carefully before attempting to connect your subwoofer unit to the mains Warning To reduce the risk of fire or electric shock do not expose this appliance to rain or moistu...

Page 5: ...facturer A product and stand combination should be moved with care Quick stops excessive force and uneven surfaces may cause the combination to overturn Ventilation Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating and these openings must not be blocked or covered The openings should never be blocked by...

Page 6: ...ng S Service Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions a When the power supply cord or plug is damaged b If liquid has been spilled or objects have fallen onto the product c If the product has been exposed to rain or water d If the product does not operate normally by following the operating instructions Adjust only t...

Page 7: ... inputs DO N NOT U USE B BOTH M METHODS O OF C CONNECTION A AT THE S SAME T TIME 2 P Power A Auto On Switches the subwoofer amplifier power on or off If switched to auto the subwoofer will remain in standby mode until a signal is detected at the input The unit will then automatically switch itself on It will then automatically return to standby mode if no input signal is present for approximately ...

Page 8: ...e of low frequency output from your subwoofer amplifier to obtain the best sound balance within your surroundings 6 P Phase This allows you to match the time integration of your subwoofer to the other speakers in your system This is especially useful when the subwoofer and any other speakers in your system are positioned at different distances from the listener 7 F Frequency This is used to adjust...

Page 9: ...er line output then you should connect your MS909W via the Line Input on the rear panel using a good quality phono lead Note that if your amplification system has a mono subwoofer line out then use the L socket on your MS909W Connecting v via H High L Level C Connections Do not compromise the performance of your system by using inferior quality cables Mordaunt Short recommends that high quality ca...

Page 10: ...ghlight the boom you are hearing We recommend the accurate measurement of the test tones using an SPL meter rather than just listening to the tones though this can be attempted as follows If you can clearly hear one tone on the CD to be much louder than the others the following steps can be taken Run the CD test tones to check for any loud problem tones After locating the loudest problem tone repe...

Page 11: ...hat particular frequency c Turn the cut control to 6dB d Turn the frequency control until the SPL Meter reads 6dB lower than its previous reading remember to take the SPL reading from the same position this may require an assistant 6 Repeat step four to confirm the problem frequency has been satisfactorily reduced If it hasn t then repeat step five If more than 6dB of cut is required then up to 18...

Page 12: ... Subwoofer Cabinets should be dusted and lightly polished as required Do not use solvent based cleaners as they may damage the cabinet surface Do not expose the cabinets to strong direct sunlight high temperatures high humidity or allow them to become wet 12 ...

Page 13: ... D D Inches Weight 30Hz 200Hz Line in 70mV at max output Hi Level in 1 3V at max output 300W 220 240 Volts 50 Hz 100 120 Volts 50 60 Hz 450W 300mm Long Throw Aluminium CPC Woofer Active Variable from 50 200 Hz 420 x 420 x 420 16 5 x 16 5 x 16 5 28kg 61 6Lbs Mordaunt Short s policy is one of continuous improvement Design and specifications are therefore subject to change without prior notice ...

Page 14: ...ordaunt Short distributor to confirm that you have an unaltered serial number and or you purchased from a Mordaunt Short authorised dealer This Warranty does not cover cosmetic damage or damage due to acts of God accident misuse abuse negligence commercial use or modification of or to any part of the product This Warranty does not cover damage due to improper operation maintenance or installation ...

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Page 16: ...w ww ww w m mo or rd da au un nt t s sh ho or rt t c co o u uk k Made from recyclable material Part No AP13008 2 ...

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