207d
instruction Manual
Aphex Systems Ltd. Model 207D
Page 2
207d
2-ch tube mic preamp with adc
Page 3
Aphex Systems Ltd. Model 207D
1.0 CONTROLS & INDICATORS PLUS
QUICK SETUP
........................................................................
2.0 INTRODUCTION
2.1 What Distinguishes the Model 207D.....................................................................................
2.2 What Does the Tube Add? ..................................................................................................
2.3 What Else Is So Special? ......................................................................................................
2.4 What About The Digital Audio? ..........................................................................................
2.5 Block Diagram .....................................................................................................................
3.0 INSTALLATION AND INTERFACING
3.1 Installation ..........................................................................................................................
3.2 Rear Panel View ..................................................................................................................
3.3 AC Line Connection ............................................................................................................
3.4 Mic Input Connections .........................................................................................................
3.5 Instrument Inputs ...............................................................................................................
3.6 Insert jack ...........................................................................................................................
3.7 Output Connectors ..............................................................................................................
3.8 Operating Level Switch .......................................................................................................
3.9 Output Match ....................................................................................................................
3.10 Output Trim .......................................................................................................................
3.11 Digital Outputs (AES3 and S/PDIF) ......................................................................................
4.0 USING THE 207D
4.1 Split Independent Preamp Sections .....................................................................................
4.2 Using the Instrument Input .................................................................................................
4.3 Using the Microphone Input ................................................................................................
4.3.1 Using Phantom Power ........................................................................................
4.3.2 Using the Polarity Switch ...................................................................................
4.3.3 Using the Pad ....................................................................................................
4.3.4 Using Low Cut ...................................................................................................
4.3.5 Using MicLim™ .................................................................................................
4.4 Using Word Clock ................................................................................................................
4.4.1 External WC .......................................................................................................
4.4.2 Internal WC .......................................................................................................
4.5 Using Digital Audio (S/PDIF Output) ....................................................................................
4.6 Replacing Your Console’s Mic Preamps .................................................................................
4.7 Bypassing the Console Altogether ........................................................................................
4.8 Using the 207 for Stereo Recordings ...................................................................................
4.8.1 Spaced Pair Technique .......................................................................................
4.8.2 X-Y Technique ....................................................................................................
4.8.3 M-S Technique ..................................................................................................
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4.8.4 Binaural Technique ............................................................................................
4.8.5 Further Reading .................................................................................................
5.0 WARRANTY AND SERVICE
5.1 Limited Warranty ................................................................................................................
5.2 Service Information .............................................................................................................
6.0 SPECIFICATIONS
6.1 General Specifications .........................................................................................................
6.2 Architectural Specifications .................................................................................................
7.0 APPENDICES
Appendix A - Introduction to Balanced and Unbalanced Wiring .................................................
Appendix B - Dealing With Ground and Hum ............................................................................
Appendix C - Proper Wiring Techniques ......................................................................................
Appendix D - Standard Cable Wiring ........................................................................................
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