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Summary of Contents for EMM Labs ADC8 Mk IV
- Page 1 ADC8 Mk IV DAC8 Mk IV USER MANUAL V1.3...
- Page 2 A/D Converter ADC8 Mk IV The EMM Labs 8-channel A/D converter is a 4th generation design to meet the highest standards in professional audio recording applications. It offers conversion between analog and digital audio of various different formats, as well as conversion between digital audio formats.
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Page 3: Signal Flow
Signal flow (AES/EBU) DSD to PCM DSD (Optical) Conversion (SDIF2) DSD (RAW/SDIF3) (shared Conn.) (optical) Analog DC Removal Conversion (shared Conn.) Note: Analog inputs are balanced with pin 2 hot, pin 3 cold and pin 1 GND. For unbalanced inputs just connect to pin 2 and tie pin 3 to GND. Function Switches Note: Some configurations require long settling times of up to several seconds after changing switch positions. - Page 5 Digital Audio Input Section OUT / IN: OUT position selects conversion from analog to digital. IN position selects conversion from digital to digital. OPTIC / BNC: If the DATA DIR switch is set to IN, this selects data input between optical or BNC connectors (data format is selected in Interface Format Section).
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Page 6: Basic Operation
DSD Out PCM Out Basic Operation In addition to the basic conversion modes shown below, the ADC8 Mk IV converts between DSD on optical and DSD on BNC (RAW DSD or SDIF-3) and back again. Conversion from Analog to DSD and PCM... - Page 7 • DSD format on BNC connectors RAW DSD / SDIF-3 Conversion from DSD to PCM CLOCK SAMPLE RATE DIGITAL AUDIO IN INTERFACE FORMAT OPTIC 1 FS 44.1 OPTIC RAW DSD 16 BIT LOCK 2 FS SDIF-3 24 BIT EXTERNAL OVERS. BASE DATA-DIR OPTIC...
- Page 8 D/A Converter DAC8 Mk IV The EMM Labs 8-channel D/A converter is a 4th generation design to meet the highest standards in professional audio recording applications. It offers conversion between digital audio of various different formats and analog, as well as conversion between digital audio formats.
- Page 9 Signal Flow Optical DSD (RAW / SDIF3) (shared Conn.) RAW DSD / SDIF3 DSD (Optical) (shared Conn.) PCM to DSD Analog PCM (AES/EBU) Conversion PCM* (SDIF2) (shared Conn.) (shared Conn.) Note: *SDIF2 inputs expect 24-bits (or 0-filled 16 bits) of PCM Note: Analog outputs are balanced with pin 2 hot, pin 3 cold and pin 1 GND.
- Page 11 OPTIC / WIRE: Selects the physical connector for input data (optical or WIRE). For the WIRE selection an additional switch is necessary to define WIRE as either BNCor XLR. BNC / XLR (WIRE): Selects BNC or XLR as input when OPTIC / WIRE switch is set to WIRE Interface Format Section RAW / SDIF-3:...
- Page 12 Basic Operation In addition to the basic conversion modes shown below, the DAC8 Mk IV converts between DSD on optical and DSD on BNC (RAW DSD or SDIF-3) and back again. Conversion from PCM on AES/EBU to Analog CLOCK SAMPLE RATE 1 FS 44.1 POWER...
- Page 13 Conversion from PCM on BNC (SDIF-2) to Analog CLOCK SAMPLE RATE 1 FS 44.1 POWER ERROR LOCK 2 FS BASE DIGITAL AUDIO INPUT IF FORMAT OPTIC RAW DSD WIRE SDIF-3 OVERS BNC-DIR WIRE BNC OUT Additional selections for 44.1 / 48 / 88.2 / 96kHz sample rate and for the 64/ 128 oversampling ratio can be made with the sample rate and oversampling switches.
- Page 14 Additional selection for RAW DSD or SDIF-3 format for DSD input can be made with the interface format switch. The overampling switch needs to be set to the sample rate (64FS or 128FS) of the DSD input data. “Empty” switch positions are ignored. Conversion from DSD on Optical to Analog CLOCK SAMPLE RATE...
- Page 15 Conversion from PCM on AES/EBU to DSD on BNC (RAW DSD or SDIF-2) and Optical CLOCK SAMPLE RATE 1 FS 44.1 POWER ERROR LOCK 2 FS BASE DIGITAL AUDIO INPUT IF FORMAT OPTIC RAW DSD WIRE SDIF-3 WIRE OVERS BNC-DIR BNC OUT Only 44.1kHz based PCM can be converted to DSD.
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