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Summary of Contents for MC2 Audio E475
- Page 1 E Series Lightweight Touring Power Amplifiers E475 Operating Instructions www.mc2-audio.co.uk Tel. +44 (0)1404 44633 Fax. +44(0)1404 44660 MC AUDIO | Units 6-8 Kingsgate | Heathpark Industrial Estate Honiton | Devon | England | EX14 1YG...
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Page 3: Table Of Contents
E Series – E475 Operating Instructions Page 3 CONTENTS DECLARATION OF CONFORMITY ................ 4 THANKS ....................... 5 INTRODUCTION ....................5 IMPORTANT SAFETY INSTRUCTIONS ..............6 INSTRUCTIONS DE SECURITE IMPORTANTES ...........7 Installing Your Amplifier: Electrical Considerations ......... 8 Installing Your Amplifier: Mechanical Considerations ........9 Installing Your Amplifier: RF Emissions ............ -
Page 4: Declaration Of Conformity
E Series – E475 Operating Instructions Page 4 DECLARATION OF CONFORMITY We, the manufacturer: Audio, Units 6-8 Kingsgate Heathpark Industrial Estate Honiton, Devon England EX14 1YG acknowledge our responsibility that the following products: Kind of equipment: Audio amplifier Commodity Code:... -
Page 5: Thanks
We wish you many years of service from this amplifier and look forward to hearing from you in the near future. INTRODUCTION The E475 is a lightweight, class AB amplifier, designed to the same high standards of reliability and sound quality that our customers have come to expect of all MC products. -
Page 6: Important Safety Instructions
E Series – E475 Operating Instructions Page 6 IMPORTANT SAFETY INSTRUCTIONS CAUTION: RISK OF ELECTRIC SHOCK. DO NOT OPEN The lightning flash with arrowhead The exclamation point within an symbol within an equilateral triangle is equilateral triangle is intended to alert... -
Page 7: Instructions De Securite Importantes
E Series – E475 Operating Instructions Page 7 INSTRUCTIONS DE SECURITE IMPORTANTES ATTENTION: RISQUE DE CHOC ELECTRIQUE. NE PAS OUVRIR Le symbole représentant un éclair fléché Le point d’exclamation dans un triangle dans un triangle équilatéral a pour but équilatéral a pour but d’alerter d’alerter l’utilisateur de la présence... -
Page 8: Installing Your Amplifier: Electrical Considerations
E Series – E475 Operating Instructions Page 8 Installing Your Amplifier: Electrical Considerations The amplifier has been manufactured to comply with your local power supply requirements, but before connecting the unit to the supply, ensure that the voltage (printed on the rear panel) is correct. -
Page 9: Installing Your Amplifier: Mechanical Considerations
E Series – E475 Operating Instructions Page 9 Installing Your Amplifier: Mechanical Considerations To ensure that this equipment performs to specification, it should be mounted in a suitable rack or enclosure as described below. Like all high power amplifiers, it should be kept away from other equipment which is sensitive to magnetic fields. -
Page 10: Connecting To Your Amplifier: Inputs
Page 10 Connecting To Your Amplifier: Inputs Important Note: All E475 amplifiers before serial number 7E70004 have a different wiring configuration for the input and output sockets. This will only affect the amplifier when operating in linked or bridged modes. -
Page 11: Connecting To Your Amplifier: Speaker Outputs
As the currents involved are very high, and to ensure best performance, the speaker cables should be kept as short as possible and conform to the following minimum requirements: E475, 14A into 4 Ohm speaker loads. When operating the amplifier into loads of less than 4 Ohms, be aware that the current capacity of the speaker cables will need to be increased as described above. -
Page 12: Connecting To Your Amplifier: Bridged (Mono) Operation
E Series – E475 Operating Instructions Page 12 Connecting To Your Amplifier: Bridged (Mono) Operation Pairs of channels may be independently bridged — channel pair A&B, and/or channel pair C&D. The method is the same for both channel pairs: Supply signal to Channel A or C input only and push in the appropriate rear panel switch marked “LINK A&B”... -
Page 13: Operating Your Amplifier: Front Panel Controls And Indicators
E Series – E475 Operating Instructions Page 13 Operating Your Amplifier: Front Panel Controls and Indicators 1: Power Switch: This single pole switch turns the amplifier fully off (but does NOT isolate it from the mains supply). 2: Power LED: This indicates when the amplifier is active. This does NOT indicate the presence of a mains supply when the power switch is OFF. -
Page 14: Operating Your Amplifier: Notes And Switching On
E Series – E475 Operating Instructions Page 14 Typical conditions that could cause the protection to be triggered include very high frequency or subsonic input signals, DC in the inputs, short-circuited outputs, or internal high temperatures. The protection circuit will affect both channels. -
Page 15: Operating Your Amplifier: Rear Panel Sockets And Switches
E Series – E475 Operating Instructions Page 15 Operating Your Amplifier: Rear Panel Sockets and Switches WARNINGS 1: GND LINK LINK LINK 2: Sig+ All vents on front C&D B&C A&B 3: Sig- and rear of unit must not be obstructed. -
Page 16: Looking After Your Amplifier: Maintenance
E Series – E475 Operating Instructions Page 16 Looking After Your Amplifier: Maintenance These maintenance instructions are for use by qualified personnel only. Before any routine maintenance, please ensure that your amplifier is disconnected from the mains supply! The filter behind the air intake apertures on the front of your amplifier should be cleaned or replaced periodically, e.g. -
Page 17: Changing The Gain Of Your Amplifier: Internal Adjustments
E Series – E475 Operating Instructions Page 17 Changing the Gain of Your Amplifier: Internal Adjustments! These instructions are for use by qualified personnel only. Before any routine maintenance, please ensure that your amplifier is disconnected from the mains supply! Gain/Sensitivity Settings Adjustment is by moving a link on the top input PCB —... -
Page 18: Performance Of Your Amplifier: Specifications
E Series – E475 Operating Instructions Page 18 Performance Of Your Amplifier: Specifications Main Specifications Parameter (Units) E475 Output Power per channel [Crest Factor = 4.8] (Watts) 8 Ohms 4 Ohms 2 Ohms Output Power per channel bridged [Crest Factor = 4.8] (Watts) - Page 19 E Series – E475 Operating Instructions Page 19 Performance Of Your Amplifier: Specifications Power Consumption and Thermal Emissions — E90 Mains Load Current Draw Thermal Emissions No Sig’l Light Average Heavy No Sig’l Light Average Heavy 10.1 No Sig’l = Quiescent, Light = Crest Factor of 7.8(18dB), Average = Crest Factor of 4.8(14dB), Heavy = Crest Factor of 2.8(9dB)
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