RME Audio QuadMic User Manual

User's Guide

QuadMic

Portable Professional Mic Preamp

4-channel Microphone / Line Preamp with Line Outputs

Universal Power 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 Mic Preamp allows to connect any kind of
microphone to any line level inputs. Thanks to the option of battery-powered operation, the
QuadMic makes an ideal companion to the Hammerfall DSP System in mobile recording situa­tions. But excellent signal/noise ratio, sophisticated discrete Class-A technology, and lots of
important features 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

• Quick Info guide

• RME Driver CD

• 12 V car cable

• Battery cable

• Power supply 12 V / 1.25 A and power cord

3. Brief Description and Characteristics

• 4 seperated microphone inputs with discrete Class-A frontend

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

• 48V, Clip and Level LED per channel

• Gain +10 dB up to +60 dB adjustable per channel

• Reference level switchable HiGain / +4 dBu

• Fully compatible to RME's ADI-8 series and HDSP series

• Servo balanced inputs and outputs

• Wide frequency response with special RF input filters

• Wide operating voltage range

• 100% hum-free via internal switching regulators

4. Technical Specifications

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

• Impedance: 2 kOhm

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

• THD: < -107 dB, < 0.00045 %

• THD+N: < -100 dB, < 0.001 %

• 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: 47 Ohm

• Output level switchable Hi Gain / +4 dBu

User's Guide QuadMic © RME

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