Summary of the content on the page No. 1
www.mordauntshort.co.uk
Made from recyclable material
Part No. AP11516/1
R
500 Series THX Select System Owners' Manual
DRAWING TITLE DRAWING TITLE DATE DATE
MATERIAL MATERIAL
MS500 Series THX Select MS500 Series THX Select
23/03/00 23/03/00
As per supplied sample As per supplied sample
System Owners' Manual System Owners' Manual
CHECKED BY CHECKED BY
Cover Artwork Details Cover Artwork Details
James Johnson-Flint James Johnson-Flint
ARTWORK COLOUR ARTWORK COLOUR DRAWING NUMBER DRAWING NUMBER
Summary of the content on the page No. 2
INTRODUCTION & CONTENTS Introduction & Contents.....................................2 This 500 Series THX Select System is the result of an Brief Introduction to Home THX .....................3 extensive Research and Development program undertaken Getting Started ..................................................4 to provide you with accurate, uncompromised reproduction of movie soundtracks and music. With MS502 Subwoofer Amplifier...............................6 attention to detail second to n
Summary of the content on the page No. 3
A BRIEF INTRODUCTION TO HOME THX Incorporating a series of patented electronic and loudspeaker developments, home THX is the ultimate in sound for multi-channel home cinema systems. The system was developed after it was realised that conventional audio components could not satisfactorily reproduce movie soundtracks in the home environment. As well as more accurately reproducing the highly complex and competing sound fields present in multi channel soundtracks, home THX successfully adjusts audi
Summary of the content on the page No. 4
GETTING STARTED If your speakers are wired incorrectly they will be out of phase and sound Connecting your MS500 THX Select System hollow and indistinct, with a weak bass. Re-check your connections for Please do not compromise the performance of your system by using infe- correct polarity and reverse the connections if necessary rior quality cables. Mordaunt-Short recommends that high quality cables of 16 gauge or higher be used. Your professional dealer will give you Bi-wiring sends the bass
Summary of the content on the page No. 5
GETTING STARTED Your MS502 front left and right speakers should be placed equidistant to Attaching feet to your loudspeakers the left and right of your screen far enough apart to ensure good stereo Our floorstanding loudspeakers come with feet and spikes that will greatly imaging, and with the subwoofers facing out. If they are too far apart or improve stability and sound quality. too close to the corners of the room they will sound distracting and dis- tant. Although normally best suited faci
Summary of the content on the page No. 6
MS502 INTEGRATED SUBWOOFER AMPLIFIER Each of your MS502’s have a built in dedicated subwoofer amplifier spe- 1. EXT/THX Input cially designed to deliver powerful low frequencies to the sub-woofer This is a line level input for connection to the subwoofer line level output drive unit mounted on the side of each MS502. This integrated system of a Dolby Digital/DTS/THX or other surround-sound processor. gives the best possible bass reproduction with the minimum of adjust- ments and makes a separate
Summary of the content on the page No. 7
MS502 INTEGRATED SUBWOOFER AMPLIFIER 5. Volume This control allows you to adjust the volume of the low frequency output of your sub woofer amplifier for best sound-balance. This adjustment is defeated in THX mode as THX approved surround-sound processors allow subwoofer level adjustments to be done by the processor. 6. Notch Filter This is a single band Parametric EQ that is a powerful tool to help your loudspeaker system sound it’s best. The low frequency response that you hear is actually a f
Summary of the content on the page No. 8
SUBWOOFER TUNING FOR OPTIMUM SOUND QUALITY Your MS500 system incorporates subwoofers built into the left and right Instructions front speakers to generate substantial amounts of low-frequency energy 1. Start by placing your loudspeakers in their intended locations (positioning for a satisfying bass response. In addition the M500 system has been is discussed on page 5), ensuring that the notch filter is set to the OFF designed to give a substantially flat frequency response. position on both uni
Summary of the content on the page No. 9
TAKING CARE OF YOUR LOUDSPEAKERS 9. Should more than 6dB of cut be required (i.e. one measurement is more Driver Precautions than 12dB above the average of the others) the notch filter can be set By far the most common cause of loudspeaker failure, and one that is to the –12dB setting and the process repeated. understandably not covered by guarantee, is damage to the voice coils caused by amplifier overload. This is generally due to the common belief that if a speaker is rated at more than the
Summary of the content on the page No. 10
SAFETY PRECAUTIONS Checking the Power Supply Setting Plug Fitting Instructions (UK only) For your own safety please read the following instructions carefully before The cord supplied with this appliance is factory fitted with a 13A mains plug fitted attempting to connect your MS502 unit to the mains. with a 3A fuse inside. If it is necessary to change the fuse, it is important that a 3A one is used. If the plug needs to be changed because it is not suitable for • Check that your unit indicate
Summary of the content on the page No. 11
SPECIFICATIONS MS502 MS504 MS506 MS502 Sub Amplifier Frequency Response 30Hz - 22kHz 80Hz - 22kHz 80Hz - 22kHz Output power 150W rms Sensitivity 90dB 90dB 87dB THD <0.05% Impedance (nominal) 4 Ohms 4 Ohms 8 Ohms S/N ratio >95dB ‘A’ weighted Distortion Less than 2% at 90dB Less than 2% at 90dB Less than 2% at 90dB Sensitivity Power Rating 15W - 150W rms 15W - 150W rms 15W - 150W rms THX mode 100mV for 88dB SPL (THX standard) External input 250mV (for max ouput, vol control centred) Drivers (1) 10
