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1622 I/O Audio Interface
Digidesign
Installation Guide
Digidesign Inc.
3401-A Hillview Avenue
Palo Alto, CA 94304 USA
tel: 650·842·7900
fax: 650·842·7999
Technical Support (USA)
650·842·6699
650·856·4275
Product Information
650·842·6602
800·333·2137
Fax on Demand
1-888-USE-DIGI (873-3444)
World Wide Web
www.digidesign.com
Digidesign FTP Site
ftp.digidesign.com
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Summary of Contents for DigiDesign 1622 1
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Page 1: Installation Guide
1622 I/O Audio Interface Installation Guide Digidesign Inc. 3401-A Hillview Avenue Palo Alto, CA 94304 USA tel: 650·842·7900 fax: 650·842·7999 Technical Support (USA) 650·842·6699 650·856·4275 Product Information 650·842·6602 800·333·2137 Fax on Demand 1-888-USE-DIGI (873-3444) World Wide Web www.digidesign.com Digidesign FTP Site ftp.digidesign.com... - Page 2 Copyright Communications & Safety Regulation Information This User’s Guide is copyrighted ©1999 by Digidesign, a Compliance Statement division of Avid Technology, Inc. (hereafter “Digidesign”), with The model 1622 I/O complies with the following standards all rights reserved. Under copyright laws, this manual may not...
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Page 3: Table Of Contents
contents Using the 1622 I/O ............1 The 1622 I/O Interface . - Page 4 1622 I/O...
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Page 5: Using The 1622 I/O
As a stand-alone 20-bit audio converter This Guide explains the indicators and connectors on the 1622 I/O. It also ex- plains how to use it with a Digidesign Pro Tools system, or as an independent, stand-alone 20-bit audio converter in your Front panel of the Digidesign 1622 I/O studio. - Page 6 Slave Clock (256x) port. If the Sync chronized to an external clock source. Mode is set to Internal, connecting a Slave Clock Out signal from another Digidesign Digital This setting indicates that a S/PDIF Interface or synchronization peripheral to...
- Page 7 4. Sample Rate 6. Output Meters These LEDs display the current sample rate These LEDs indicate whether or not signal of the 1622 I/O internal crystal oscillator, is present at one of the two outputs. Seg- which can be either 44.1 kHz or 48 kHz. In ment 1 (green) indicates –20.0 dB.
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Page 8: 1622 I/O Back Panel
+14 dBu headroom, yielding a maximum output level of +18 dBu when in +4 dBu operating mode. When set to Back panel of the Digidesign 1622 I/O –10 dBV operating mode, maximum out- put level is +4 dBV. -
Page 9: Making Signal Connections To The 1622 I/O Interface
The 1622 I/O S/PDIF jacks are 24-bit capa- Adjusting 1622 I/O Gain Levels ble, unbalanced, two-conductor, phono The 1622 I/O input levels are adjustable (RCA) jacks. through the Pro Tools software to accom- Because input channels 1–2 of the modate a variety of equipment output lev- 1622 I/O are software selectable between els. -
Page 10: Setting Up Your Studio
Set the track input to the 1622 I/O input Setting Up Your Studio channel you just set in the Other Options The diagrams below provide suggestions dialog. for connecting studio gear to your system. Play the instrument at maximum vol- The first illustrates a studio setup with the ume, sending a steady signal to the 1622 I/O connected to a mixing console,... -
Page 11: Using The 1622 I/O Interface As Stand-Alone Audio Converter
To use the 1622 I/O as a stand-alone A/D Using the 1622 I/O converter: Interface as Stand-Alone Turn off any digital devices that may Audio Converter send a word clock signal to the 1622 I/O S/PDIF digital input. The 1622 I/O can be used apart from Turn on the 1622 I/O. - Page 12 1622 I/O...
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Page 13: Technical Specifications
0.004%; Input Voltage Ref. = +17 dBu, Super Clock (256x) sample clock In/Out; 20 Hz–20 kHz BNC connectors; additional clock refer- ences supported via Digidesign’s Universal Maximum Input Level Slave Driver, Video Slave Driver, SMPTE (+4 dBu gain position): Slave Driver, and other optional 256x syn- +18 dBu/ channel or 6.15V (RMS) -
Page 14: D/A Specifications
D/A Specifications 24-bit D/A converters, Delta-Sigma Dynamic Range: ≥ 103 dB (balanced, 22 Hz–22 kHz) DAC Input Reference = 0 dBFS THD+N: 0.003%; DAC Input Reference = 0 dBFS, 20 Hz–20 kHz Maximum Output Level (+4 dBu gain position): +18 dBu Frequency Response: ±...
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