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Users Manual

Rev 2 (4/01)

Nelson

Summary of Contents for Nelson LINK DAC III

Page 1: ...Users Manual Rev 2 4 01 Nelson ...

Page 2: ...urrent demands of the high slew rate op amps used in this product Inputs The Nelson LINK III comes standard with AES EBU balanced coaxial and optical digital audio inputs ranked in order of performance An analog input is also provided for A B testing and special applications Connect any digital input to any active digital audio source The relays inside will click as the analog bypass is disconnect...

Page 3: ...n the display with separate LEDs When an active digital signal is attached to the LINK III the LED will light even if no music is playing or the source is data like Dolby Digital or DTS If both sources are active both LEDs will light but the COAXIAL input will take priority If a balanced or 192k input is sensed that input takes priority over both single ended inputs but no indication is made on th...

Page 4: ...very important This format offers the lowest jitter for two reasons First because the actual voltage level of the signal is 10 times greater than SP DIFF Secondly as a balanced system noise rejection is complete Noise on a digital interface shifts the digital translations increasing jitter If you do not have a good transport with a balanced digital output MSB offers a balanced digital output upgra...

Page 5: ...er as shown in the table below Each is described in detail Opening the LINK III Place the LINK III on a soft surface like a tablecloth or carpet Disconnect the power supply Remove the three philips screws on the back edge of the cover Turn the LINK over and remove the three philips screws from the front edge of the cover Carefully separate the base from the cover Pick up the base and flip it over ...

Page 6: ...nvironment is too hot the LINK sits on top of your amplifier you may need to install the normal 96K oscillator To change the frequency follow the instructions to open the cover of the LINK Inside the LINK notice the small upsampling board installed in the main board shown below Two jumper positions are available between the large metal oscilla tors They are labeled 96K and 132K As shipped the jump...

Page 7: ...ame wire at the same time and by selecting Channel 2 will receive and decode the rear chan nels The 3rd channel is for the front and sub channels if you want to use them The 4th channel is for future formats which may come along Move the jumper located on the upsampling board as shown in the diagram to select the channel More than one DAC can be attached to the same cable by taking advantage of a ...

Page 8: ...s Dolby Digital and DTS signals In this case the analog input is only interrupted when the digital source is playing valid audio not just turned on Remove the first jumper on J 14 labeled Zero Option The jumper may be placed on just one pin for future use J14 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 Zero Option Data Data inverted L R Clock Reset Ground DataFlag J14 1234567...

Page 9: ... should be placed on positions 1 and 4 for safe keeping For a smoother sound try moving the jumpers from 1 to 2 and from 4 to 5 Other Options Headers J18 and J19 are occupied by the upsampling board Should this board need to be removed for some reason jumpers can be installed to allow the DAC to operate The standard jumper positions are shown below for reference Any missing jumpers will prevent th...

Page 10: ... minimum of output filtering for the best possible sound It features electromagnetic shielding of all key components and high performance high slew rate operational amplifiers Seven separate power supplies with gigantic filter capacitors provide isolation between the digital and analog sides of the DAC I love this digital to analog maker of music It s almost mystical in its presence and realism Ma...

Page 11: ...DVD player Digital output should be set for 96k output Some models do not support this feature DVD A source indicates 48k DVD A players must be upgraded to provide a true 192K output Production players downmix to 48K Balanced Input not working Check configurations is XLR connector plugged into balanced or 192k input Warranty All MSB products carry a one year warranty No returns accepted without an...

Page 12: ...ou demand from a high end DAC HIGH QUALITY AFFORDABLE CABLE PRODUCTS 6 RCA to DB 25 Digital Audio AC3 RF for LD Audio Triple Shielded S Video 2m Video Toslink Optical 1m also 2m 15m Red Hawk Optical 1m also 3m 20m MSB Custom Digital MSB Interconnects This upgrade installs in most digital products and provides a 192 kHz audio output compat ible with the LINK III family of DACs Installs in DVD A pla...

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