Musical Fidelity X-A50 User's Manual
Contents
1. SPECIFICATIONS 2K HLA Output power THD Frequency response S N ratio Power consumption Power requirements Dimensions mm 50 Watts RMS into 8Q 100 Watts RMS into 4Q lt 0 04 20Hz 20kHz unweighted lt 0 01 20Hz 20kHz A weighted lt 0 008 20Hz 20kHz 1W unweighted 0 2dB 20Hz 20kHz greater than 102dB unweighted greater than 114dB A weighted 120W 100 115 230V 50 60Hz AC factory preset for country 110 x 110 x 330 approx W x H x D width and height include feet depth includes terminals CE Musical Fidelity reserves the right to make improvements which may result in specification or feature changes without notice DLA 5O INSTRUCTIONS FOR USE MUSICAL FIDELITY MUSICAL FIDELITY Introduction Thank you for purchasing the X A50 50 watt monobloc power amplifier We sincerely hope that it will bring you many years of listening pleasure Installation Precautions Your new X A50 is designed and built to provide trouble free performance as with all electronic devices it is however necessary to observe a few precautions Please ensure that you have complied with these before you connect the power to your X A50 Retain this guide for future reference m Do not use the X A50 near water a Keep the X A50 away from heat sources such as radiators a Place all connecting cables where they are not likely to be walked on or trapped by items placed on them This Hi Fi product2. has been tested to ensure that its operation will not be adversely affected by normal background levels of R F I Radio Frequency Interference It is possible that if the unit is sub jected to abnormally high levels of R F I the unit may not perform as expected In the unlikely event of this happening please contact Musical Fidelity s service department Do not remove any covers the X A50 will not be covered under warranty if it has been tampered with There are no adjustments within Please refer all service work to an authorised Musical Fidelity agent Connections All connections should be made before the mains lead is plugged in and the unit switched on The X A50 is a mono power amplifier two are required for stereo operation further units can be used if required for multi channel surround sound systems or for bi amping etc The X A50 can be used with a preamplifier or any line level source which has a volume control We highly recommend the matching X PRE Class A Tube Preamp as an excellent choice Connect your pre amp or other line level source to the phono input on the back panel marked Line Input For the best results we recommend that you use Musical Fidelity X LINX no nonsense interconnect cables for this connection Connect your loudspeaker to the loudspeaker terminals situated on the back panel marked Loudspeaker Output Once these connections are made plug in the IEC type mains lead and switch on the unit Bi A
3. mping The X A50 has a Loop Out facility to allow for easy bi amping of speakers with bi wireable crossovers In this kind of set up typically one X A50 is used to drive the tweeter high frequen cies and one to drive the woofer low frequencies of each loud speaker enclosure Thus in this example four X A50s would be required for a stereo pair Taking the left channel connections first the pre amp s or other source s left output is first connected to the first X A50 s line input and then that X A50 s loop output is connected to the second X A50 s line input both X A50s will now be driven from the same left channel signal The first X A50 can now be used to drive the woofer and the second the tweeter of the left channel loudspeaker Repeat this process for the right channel If you are in any doubt about bi amping please contact your dealer who will be able to help and advise you
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