RME QUADMIC II User manual

User's Guide

QuadMic

Portable Professional Mic Preamp

4-channel Microphone / Line Preamp with Line Outputs

Wide Range Power Supply Input

Contents

1 Introduction ...............................................................3

2 Package Contents.....................................................3

3 Brief Description and Characteristics.....................3

4 Technical Specifications..........................................3

5 Power Supply.............................................................4

6 Operation and Usage

6.1 Connections .............................................................5

6.2 Mic/Line Inputs .........................................................6

6.3 Line Outputs.............................................................6

7 Accessories...............................................................6

8 Warranty.....................................................................7

9 Appendix....................................................................7

10 Block Diagram QuadMic...........................................8

11 CE / FCC Compliance ...............................................9

User's Guide QuadMic © RME

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1. Introduction

Thank you for choosing the QuadMic. This unique microphone preamp allows to connect any
kind of microphone to any line level input. Thanks to the option of battery-powered operation,
the QuadMic makes an ideal companion to RME’s computer interfaces in mobile recording
situations. An excellent signal to noise ratio, lowest harmonic distortions and wide gain range
make the QuadMic your first choice even for studio use!

2. Package Contents

Please check that your QuadMic's package contains each of the following:

• QuadMic (2013 model)

• Manual

• 12 V car cable

• Battery cable

• Power supply 12 V / 2 A and power cord

3. Brief Description and Characteristics

• 4 separate microphone inputs with That

• Phantom power 48V, low cut and phase switchable per channel

• 48V, Clip and Signal LED per channel

• Gain XLR in: +6 dB up to +60 dB

• Gain TRS in: +0 dB up to +54 dB

• Phantom power free TRS input

• Servo balanced inputs and outputs

• Wide frequency response with special RF input filters

• Wide operating voltage range

• 100% hum-free via internal switching regulators

• Lockable power connector

• Rack mount compatible (RM19)

®

hi-end mic preamp

4. Technical Specifications

• Inputs: XLR or 1/4" TRS (stereo) jack, electronically balanced

• Input impedance: XLR 2 kOhm, TRS 4 kOhm

• Signal to Noise ratio (SNR): 129 dB EIN @150 Ohm

• THD: < 0.0005 % @ 30 dB Gain

• Crosstalk: > 110 dB

• Frequency response –0.5 dB: 5 Hz - 200 kHz

• Line Out: 1/4" TRS (stereo) jack, servo balanced

• Maximum output level: +21 dBu

• Output impedance: 75 Ohm

User's Guide QuadMic © RME

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