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M3R 2-CHANNEL MIC PREAMP

September.

2

nd

,

2014

Copyright © 20

06-

2

0

1

5

AC

-A

U

D

IO

A

u

st

ra

lia.

A

ll Rights R

es

erved.

Proudly

Presented

by

AC

‐

AUDIO®

User Manual

1
2
3
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Summary of Contents for M3R

Page 1: ...0 M3R 2 CHANNEL MIC PREAMP September 2nd 2014 Copyright 2006 2015 AC AUDIO Australia All Rights Reserved Proudly Presented by AC AUDIO User Manual ...

Page 2: ... situated away from other heat sources such as heaters radiators ovens or other appliances that produce heat POWER SOURCE Make sure your appliance is set to the correct voltage for the country in which it will be use before switching the device ON GROUNDING POLARIZATION Precautions should be taken so that the grounding or polarization means of an appliance is not defeated POWER CORD PROTECTION Pow...

Page 3: ...ce or The appliance has been dropped or the enclosure damaged SERVICING The user should not attempt to service the appliance beyond that is described in the Operating Instructions INSTALLATION Every HOMEASY gear was carefully packed in the factory and the packaging was designed to protect the unit from rough handling Nevertheless we recommend that you carefully examine the packaging and its conten...

Page 4: ...e gain control from 20dB to 40dB The completely metallic cover and panels give wonderful performance against external interference Furthermore M3R adopts NE5532 high class transistor operational amplifier module which has higher capability than 4558 to acquire more pure clear pre amplifying In one word HOMEASY M3R would be your most cost effective choice for preamp gear at this pricing level Produ...

Page 5: ... 0 2dB High Pass Filter 3dB 90Hz 12dB per octave Distortion THD N Typically 0 1 0dBu rising to 0 3 15dBu 1KHz Hum and Noise 84dBu 22Hz 22KHz line input 0dB gain 82dBu 22Hz 22KHz instrument input 20dB gain 122dBu EIN mic input at 60dB gain 22Hz 22KHz Metering Peak LED monitoring whole signal chain illuminating 6dB before clip Power Requirements External power adapter provided 230V 50Hz or 115V 60Hz...

Page 6: ... of Channel A B to connect microphones line signals etc Each channel is completely individual Each channel features a rotary gain control for variable adjustment of the desired pre amplifier level Each channel has an individual peak indicator light which indicates the distortion Twinkle continually means approaching the peak while lasting illuminated means reaching the peak and the gear overloaded...

Page 7: ...sure you do not over pre amplify your signal a peak clip indicator light has been provided on the front panel of the M3R for each channel When illuminated this light indicates that the preamplifier is overloaded and that distortion will occur Please turn down the variable gain control for the currently selected channel until the peak clip light is no longer illuminated Always trust your ears the P...

Page 8: ... from such a modification adaptation 3 Free inspections maintenance repair work and replacement of parts are expressly excluded from this warranty in particular if caused by inappropriate use Likewise the warranty does not cover defects of expendable parts caused by normal wear of the product Expendable parts are typically pots potentiometers switches and similar components 4 Damages defects cause...

Page 9: ...of any kind for any purpose without the express written permission of AC AUDIO ALL RIGHTS RESERVED 2006 2015 AC AUDIO All the instructions descriptions and technical specifications are subject to change without prior notice www ac audio com ...

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