Version 1.3 © 2010 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.
Welcome 002 DAC2 AUDIO CONVERTER OWNER’S MANUAL Thank you for choosing EMM Labs... © 2010 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.
Table Of Contents 003 DAC2 AUDIO CONVERTER OWNER’S MANUAL Welcome 002 Warranty 004 DAC2 Audio Converter 005 Features & Specifications 006 Front Panel & Functions 008 Rear Panel & Functions 010 Operation 012 Infrared Remote Control 015 Appendix A - Serial Remote Control (RS232) 016 © 2010 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.
Warranty Warranty EMM Labs warrants the DAC2 product against defects in material and workmanship under normal use and service for a period of time specified by the product’s serial number from the date of first delivery to the owner. The warranty time period is 5 years. Warranty is limited to the original owner and is non-transferable. EMM Labs will pay for return shipping charges back to the owner when the product is sent to EMM Labs within the first 90 days after purchase (US and Canada end-users only).
DAC2 AUDIO CONVERTER 005 DAC2 AUDIO CONVERTER OWNER’S MANUAL DAC2 AUDIO CONVERTER The DAC2 is a high-performance stereo D/A converter with a wide variety of user selectable digital inputs. It has evolved from EMM Labs acclaimed converter systems which are used worldwide in professional studios to create some of the finest recordings.
Features & Specifications 006 DAC2 AUDIO CONVERTER OWNER’S MANUAL Features & Specifications 2-Channel D/A conversions: • from PCM (44.1kHz, 48kHz, 88.2kHz, 96kHz) to analog • from DSD to analog Supported digital input formats: • AES/EBU (1 connector) • SPDIF (Coax) • Two Optical TOSLink SPDIF • EMM OptiLink • USB Audio Analog outputs and impedances: • Balanced on XLR (100Ω) • Unbalanced on RCA (50Ω) User selectable levels Low position: • XLR outputs: 4V (+14.38dBu) • RCA outputs: 2V (+8.
Features & Specifications 007 DAC2 AUDIO CONVERTER OWNER’S MANUAL Features & Specifications System control via wired Infrared remote and serial RS-232 ports (see Appendix A) Power supply: • Power factor corrected • Factory set to 100V or 115V or 230V, 50/60Hz operation • Power consumption: 50W • Remote control: Infrared • Dimensions W x D x H: 435 x 400 x 92mm • Weight: 12kg © 2010 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.
Front Panel & Functions 008 DAC2 AUDIO CONVERTER OWNER’S MANUAL Front Panel & Functions 1. Standby/Power-Save button: Toggles the operation between on and power-save mode. In power save mode the remote control and all front panel functions become inactive. 2. Clock Control Indicators: LOCK: This indicator is lit when the unit detects valid digital clock at the selected digital audio input.
Front Panel & Functions 009 DAC2 AUDIO CONVERTER OWNER’S MANUAL Front Panel & Functions 3. POLARITY INVERTED button: When this button is lit the polarity of all analog outputs are inverted. The inversion is performed in the digital domain. 4. MUTE button: When lit all outputs are muted. Pushing the button again unmutes the outputs. 5. ALT button (intended for future use) 6. Digital input selector buttons: • EMM LINK: Selects the EMM Optilink input for internconnection with an EMM Labs transport.
Rear Panel & Functions 010 DAC2 AUDIO CONVERTER OWNER’S MANUAL Rear Panel & Functions 1. Main Power Switch 2. Main Power connector and fuse holder: Main fuse holder as well as included spare fuse is located within this compartment. 3. Product VOLTAGE indicator: Indicates working voltage of the DAC2. Only use with indicated line voltage. 4.
Rear Panel & Functions 011 DAC2 AUDIO CONVERTER OWNER’S MANUAL Rear Panel & Functions 5. Analog Line Output: • Left and Right Balanced (XLR) Connectors • Left and Right Un-Balanced (RCA) Connectors • Level High/Low switch (Output Line Level with 0dBfs signal on AES/EBU input): Low position: XLR outputs: 4V (+14.38dBu) RCA outputs: 2V (+8.353dBu) High position: XLR outputs: 7.2V (+19.38dBu) RCA outputs: 3.6V (+13.34dBu) 6.
Operation 012 DAC2 AUDIO CONVERTER OWNER’S MANUAL Basic Operations and Input Connections 1. Memory: After 10 seconds when no button has been pushed or changed, the DAC2 memorizes its momentary setup in permanent memory for later retrieval after the next powerup. It will be recalled immediately after the unit is turned on. Each individual input selection will keep its last configuration before powerdown.
Operation 013 DAC2 AUDIO CONVERTER OWNER’S MANUAL Basic Operations and Input Connections 2. DAC2 Input Connections (cont’d): EMM Optilink is selected as the digital source (connected to an EMM Labs transport). Above is another example. Here the DAC2 is connected to an AES digital source with a base frequency of 48kHz (PCM 48kHz or 96kHz audio). For AES connections the DAC2 uses a single AES input to carry 2 channels of PCM audio up to 96kHz.
Operation 014 DAC2 AUDIO CONVERTER OWNER’S MANUAL Basic Operations and Input Connections 4. TSD1+DAC2 Quick Connect: Connect the EMM Optilink cable from the TSD1 to the DAC2 TSD1 DAC2 EMM Optilink Cable Make sure the TSD1 is External Clock switch is set to internal Using either the remote or the front panel of the DAC2 select EMM Link. The LOCK light and the 44.1kHz sync. light both should be lit on the DAC2. © 2010 EMM Labs Inc., All Rights Reserved.
Infrared Remote Control 015 DAC2 AUDIO CONVERTER OWNER’S MANUAL Infrared Remote Control The remote control provides combined functions for both the DAC2 and EMM Labs transport. The functions that are relevant to the DAC2: DAC: This function toggles the front panel LEDs ON or OFF on the DAC2 When in OFF mode only the LOCK LED would be lit. INPUT: These buttons are used to select the digital source input: • EMM : Selects the EMM Optilink input.
Appendix A - Serial Remote Control (RS232) 016 DAC2 AUDIO CONVERTER OWNER’S MANUAL Serial Remote Control (RS232) The DAC2 is equipped with a 9-pin RS232 port for system remote control via a serial cable (not provided by EMM Labs). Please use a standard RS232 cable. Do not use a null model cable, as this will not work.
Appendix A - Serial Remote Control (RS232) 017 DAC2 AUDIO CONVERTER OWNER’S MANUAL Commands to the DAC2 (cont`d) Command usb Function Selects USB PCM audio via USB interface Status bytes sent from DAC2 The DAC2 sends back 4 Bytes terminated with a whenever any status changes.
Appendix A - Serial Remote Control (RS232) Status bytes sent from DAC2 (cont`d) Byte 3 bit 5 Not Used bit 6 Status of mute (0 when muted) bit 7 Not Used Byte 4 (0x0D) © 2010 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.