Musical Fidelity M250 manual

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First and foremost, an user manual of Musical Fidelity M250 should contain:
- informations concerning technical data of Musical Fidelity M250
- name of the manufacturer and a year of construction of the Musical Fidelity M250 item
- rules of operation, control and maintenance of the Musical Fidelity M250 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Musical Fidelity M250 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Musical Fidelity M250, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Musical Fidelity service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Musical Fidelity M250.

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Table of contents for the manual

  • Page 1

    M250 Amplifier Instructions for Use Page 1 of 8 Issue 4: May 2002 O PERA TE PO W ER MU S I CA L FI DE L I TY M250 MONOBLOC AMPLIFIER INSTRUCTIONS FOR USE Thank you for pur chasing the Musical Fidelity M250 monobloc power amplifier . Used pr operly and car efully , it should give you many years of outstanding musical r epr oduction. Dust r egularly [...]

  • Page 2

    M250 Amplifier Instructions for Use Page 2 of 8 Issue 4: May 2002 SAFETY INFORMA TION IMPOR T ANT! (U.K. only) This unit is supplied in the U.K. with a mains lead fitted with a moulded 13 amp plug. If, for any reason, you need to cut off this plug, please remove the fuse holder and dispose of the plug safely , out of reach of children. It must not [...]

  • Page 3

    M250 Amplifier Instructions for Use Page 3 of 8 Issue 4: May 2002 GENERAL ADVICE INST ALLA TION PRECAUTIONS and USER INFORMA TION Y our new M250 power amplifier is designed and built to provide trouble-free performance, but as with all electronic devices it is necessary to observe a few precautions: Heed all warnings shown on the back of the pr odu[...]

  • Page 4

    M250 Amplifier Instructions for Use Page 4 of 8 Issue 4: May 2002 CONNECTIONS AND F ACILITIES MA D E I N EN G L A N D BY MU S I CA L FI DE L I TY POWE R CONSUM PTION 400W SERI AL NUM B E R 50/ 60H z PO W E R UN I TS 15- 17 OL Y MP I C TRA D I NG ESTATE FU L TO N RO A D W EM BL EY MI D D L ESEX HA9 O TF EN G L A N D I MP OR T A N T SPEA K ER OU T P [...]

  • Page 5

    M250 Amplifier Instructions for Use Page 5 of 8 Issue 4: May 2002 CONNECTIONS T aking the left channel connections, the pre-amp’ s left output is connected to the- first M250’ s LINE INPUT (used for the woofer , or low frequencies), and then the first M250’ s LOOP OUTPUT is connect- ed to the LINE INPUT of the second M250 (used for the tweete[...]

  • Page 6

    M250 Amplifier Instructions for Use Page 6 of 8 OPERA TION Issue 4: May 2002 OPERA TION Press the POWER rocker switch on the rear panel - the orange POWER LED on the front panel will light confirming that the unit is ready for use. Audio Sense Mode The M250 is now in “audio sense” mode, and will turn on when an input signal is detected. When an[...]

  • Page 7

    M250 Amplifier Instructions for Use Page 7 of 8 Issue 4: May 2002 TROUBLESHOOTING Basic problem-solving with an amplifier is similar to troubleshooting any other electrical or electronic equipment. Always check the most obvious possible causes first. T o give you a few ideas of what to look for , check the following: If none of these actions effect[...]

  • Page 8

    M250 Amplifier Instructions for Use Page 8 of 8 Issue 4: May 2002 SPECIFICA TIONS : Output voltage, RMS 45 V olts 20Hz to 20kHz peak 127 V olts Power output 250 W atts into 8 Ohms (24dBW) 450 W atts into 4 Ohms Peak-to-peak output current 72 Amps Damping factor 180 Output devices per channel 6 T otal Harmonic Distortion + noise 0 . 006% at 1kHz up [...]