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Summary of Contents for Arrel Audio R-501
- Page 1 R–501 Mic-Line Preamplifier User Manual Issue 0.2...
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Page 2: Safety Instructions
[Information on Disposal in other Countries outside the European Union] This symbol is only valid in the European Union. If you wish to discard these items, please contact your local authorities or dealer and ask for the correct method of disposal. R-501 User Manual, Issue 0.2 Page 2... -
Page 3: Arrel Audio Contacts
Web: www.arrel-audio.com Support: http://www.arrel-audio.com/support ARREL Audio is continuously working to the improvement of its systems and related documentation. In any case, we reserve the right to change the specifications without notice but in the respect to the current legislation. Disclaimer: The information contained in this manual has been carefully checked and we believed is accurate at the time of publication. -
Page 4: Table Of Contents
TABLE OF CONTENTS ....................... 4 INTRODUCTION ......................... 5 Housing ..........................6 Installation Instructions ......................6 R-501 Front Panel Controls and Operations ................ 7 Input Source selection ...................... 7 Phantom-Power switch ..................... 7 Gain Control knob ......................7 LO-CUT switch ......................... 7 Phase switch ........................ -
Page 5: Introduction
Even if the input stage of the R-501 could accept input signals up to +20 dBu, a special protection circuit limits the input level at +12 dBu in order to prevent any damage. The R- 501 extended input dynamic range avoids the necessity of the input pad and the gain is controlled by a single large knob. -
Page 6: Housing
ARREL Audio Housing The R-501 Mic-Line Preamp Module has been designed to be compliant with the 500- series standard. Installation Instructions Remove the R-505 module from the packaging. Turn off the 500-series enclosure and remove mains power. Find an empty slot in the 500-series rack and remove the 2 fastening screws, positioned one on the top of the enclosure and one the the bottom of the enclosure. -
Page 7: R-501 Front Panel Controls And Operations
R-501 Front Panel Controls and Operations INPUT SOURCE SELECTION The R-501 input stage is based on a differential amplifier so it is “electronically balanced”. If the Line-In 1/4" jack is not inserted on the housing on the front panel the mic input is activated, the insertion of the Line In jack disconnects the mic input. -
Page 8: Appendix A: Connections
ARREL Audio in 1.5 dB per step. APPENDIX A: Connections FIG. 1 R-501 Connections R-501 User Manual, Issue 0.2 Page 8... -
Page 9: Appendix B: 500 Series Module Edge Connector
ARREL Audio APPENDIX B: 500 series module edge connector FIG. 2 500 Series module edge connector R-501 User Manual, Issue 0.2 Page 9... -
Page 10: Appendix C: Front Panel
ARREL Audio APPENDIX C: Front Panel FIG. 3 R-501 Front Panel R-501 User Manual, Issue 0.2 Page 10... -
Page 11: Technical Specifications
Rear Panel Input Series 500 compatible connector Connectors Compliant 500-series rack with PSU and external audio connections, Construction Single 500-series rack slot required for each R-501 module. Dimensions Series 500 compatible module Weight 500 g R-501 User Manual, Issue 0.2...
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