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E Series – E15 & E25 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 ........................................................... 9

About Your Amplifier: Dynamic Amplifier Performance Measurements ........ 10

Connecting To Your Amplifier: Inputs ................................................................ 11

Connecting To Your Amplifier: Speaker Outputs .............................................. 12

Connecting To Your Amplifier: Bridged (Mono) Operation ............................... 13

Operating Your Amplifier: Front Panel Controls and Indicators ...................... 14

Operating Your Amplifier: Notes and Switching On ......................................... 15

Operating Your Amplifier: Rear Panel Sockets and Switches ......................... 16

Looking After Your Amplifier: Maintenance ..................................................... 17

Looking After Your Amplifier: Warranty ........................................................... 17

Changing the Gain of Your Amplifier: Internal Adjustments! ........................... 18

Performance Of Your Amplifier: Specifications ............................................... 19

Содержание E Series

Страница 1: ...eight Touring Power Amplifiers MC E15 E25 Operating Instructions MC 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 2 ...

Страница 2: ...Page 2 E Series E15 E25 Operating Instructions ...

Страница 3: ...namic Amplifier Performance Measurements 10 Connecting To Your Amplifier Inputs 11 Connecting To Your Amplifier Speaker Outputs 12 Connecting To Your Amplifier Bridged Mono Operation 13 Operating Your Amplifier Front Panel Controls and Indicators 14 Operating Your Amplifier Notes and Switching On 15 Operating Your Amplifier Rear Panel Sockets and Switches 16 Looking After Your Amplifier Maintenanc...

Страница 4: ...3500 T4 250 Ti500 Ti1000 Ti1500 Ti2000 Ti3500 Ti4 250 E15 E25 E45 E90 E100 E475 S800 S1400 and all OEM variants of these models are manufactured in accordance with EMC Directive 2004 108 EC in compliance with the following norm s or document s Technical Regulations EN55103 1 1996 EN55103 2 1996 and in accordance with the Low Voltage Directive 2006 95 EC in compliance with the following norm s or d...

Страница 5: ... expect of all MC2 audio products As with all E Series amplifiers the E15 and E25 will deliver their rated power over the entire audio bandwidth and a resonant switchmode power supply with a large reservoir gives extremely high peak power without any bass sag Optical limiters keep mains input and output currents within a safe operating area at all times whilst maintaining transparent sonic perform...

Страница 6: ...hing and ensure that no objects filled with liquids such as vases are placed on the equipment To completely disconnect this equipment from the AC mains disconnect the power cord from the mains circuit breaker Where the amplifier is mounted in a rack and permanently connected to the mains then the rack should be installed with a readily accessible connector or an ALL POLE circuit breaker with 3mm b...

Страница 7: ... des liquides comme les vases n est placé sur l équipement Pour complètement débrancher cet équipement de la conduite principale de courant alternatif débranchez la corde de pouvoir du disjoncteur de conduite principale Où l amplificateur est monté dans un égouttoir et en permanence raccordé à la conduite principale alors l égouttoir devrait être installé avec un connecteur sans hésiter accessible...

Страница 8: ...ircuit breaker with 3mm breaking distances This unit is fitted with a 3 wire power cord For safety reasons THE EARTH LEAD SHOULD NOT BE DISCONNECTED IN ANY CIRCUMSTANCE If ground loops are encountered consult the section on connecting your amplifier on page 11 The wiring colours are 230V AREAS EARTH GREEN AND YELLOW 120V AREAS EARTH GREEN NEUTRAL BLUE NEUTRAL WHITE LIVE BROWN LIVE BLACK DO NOT USE...

Страница 9: ...ting systems ENSURE THERE IS ADEQUATE VENTILATION The cooling fans suck cool air in through the front and blow hot air out at the rear of the unit through the ventilating grills The front and rear of the amplifier should have free exposure to the air i e in a rack leave the front rear doors off with 2cm air gap at the sides IF AIR IS NOT ALLOWED TO ESCAPE FROM THE REAR OVER HEATING WILL OCCUR Take...

Страница 10: ...s amplifiers have been designed to match this requirement and can deliver huge levels of power for short durations In order to protect themselves and the loudspeakers that they are driving continuous signals such as sine waves are automatically detected and reduced ramped down to a safe level When trying to measure the power output however continuous signals will give totally incorrect results A d...

Страница 11: ...ources If it is unavoidable however the following wiring should be used The cable should still be twin core plus screen PIN1 Screen connected to the chassis of the unbalanced equipment or left disconnected at the unbalanced end PIN2 Hot signal PIN3 Cold ground 0V NOTE This amplifier is wired to the latest industry recommendations PIN1 is connected directly to the chassis mains earth If ground loop...

Страница 12: ...ry high and to ensure best performance the speaker cables should be kept as short as possible and conform to the following minimum requirements E15 14A into 4 Ohm speaker loads E25 16A 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 above the values quoted here Do not connect the...

Страница 13: ... Use the centre Speakon connector marked Bridge Stereo and depress the button between the XLR connectors to the Channel Link A position Connect the speaker as follows Pin 1 Cold A Pin 2 Hot B When operating in bridged more the minimum impedances are doubled The minimum load in bridged mode is 4 Ohms ...

Страница 14: ...the bar graph meter Typical conditions that may trigger the OCM circuitry would be very low load impedance or high subsonic or VHF levels 4 Attenuation Controls These are analogue controls allowing precise level settings Note that in linked mode some controls may be inactive 5 Link LED This indicates if the channels are linked together If this is illuminated the attenuation control and meter of ch...

Страница 15: ...ate the unit in an environment that could impede the free flow of air around the unit If the unit is used in an extremely dusty or smoky environment it should be cleaned of any collected debris at regular intervals Please also see the notes regarding maintenance on page 17 It is important that the power output of your amplifier is matched to the power handling capacity of your loudspeaker If not d...

Страница 16: ...C switches Each channel of the amplifier may be power limited independently using these pairs of switches in three stages offering 2 4 and 6dB of Power Reduction Control The settings for these switches are on the rear panel for quick reference Please refer to the power specifications on page 20 for more information on actual power reduction levels 7 Fan outlet The variable speed fans suck air in t...

Страница 17: ...vents as they will damage the paint finish and could remove printing If you have any doubts about carrying out maintenance please refer to a service engineer or contact your local dealer Looking After Your Amplifier Warranty Your amplifier is guaranteed for a period of five 5 years from the date of manufacture Please note that this does not apply to OEM versions of the amplifier please consult you...

Страница 18: ...ard as shown below it is attached to the input XLR connectors Find the sets of links as marked by the arrows and move them as shown to set the gain as required Number 1 adjusts channel A s gain and number 2 adjusts channel B s gain Remember setting higher gain does not change the maximum available power but changes the level of signal input to achieve maximum power In any case provided that the in...

Страница 19: ...kgs Amplifier 9 8 10 2 Boxed shipping 11 6 11 9 Additional Specifications Parameter Units E15 E25 Input Impedance Active Balanced Ohms 20k 20k Input CMRR dB 60 60 SNR dB 105 105 Damping Factor 1kHz 8 ohms 400 400 Signal Limiters Present Yes Yes Protection Present Short Circuit DC Output Temperature Yes Yes Mains In rush Control Present Yes Yes Output Power per channel 8 Ohms Watts Sine Wave 1kHz 4...

Страница 20: ...3 0 6 5 168 218 305 512 240 2 0 7 4 8 4 8 11 3 168 264 411 801 120 8 1 4 2 3 7 7 7 7 168 195 239 354 120 4 1 4 3 1 13 0 13 0 168 218 305 512 120 2 1 4 4 6 22 7 22 7 168 264 411 801 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 For details of measurement methods please refer to the Technical Support area of our website PRC Settings ...

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