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LavryBlack Series
Model DA10
Digital to Analog Converter

Lavry Engineering, Inc.

P.O. Box 4602

Rolling Bay, WA 98061

http://lavryengineering.com

email:

techsupport@lavryengineering.com

Rev 3.7

June 23, 2010

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Summary of Contents for DA10

Page 1: ...LavryBlack Series Model DA10 Digital to Analog Converter Lavry Engineering Inc P O Box 4602 Rolling Bay WA 98061 http lavryengineering com email techsupport lavryengineering com Rev 3 7 June 23 2010 ...

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Page 4: ... making any connections the DA10 s Volume setting be reduced to a low value 00 to 05 Please switch OFF or disconnect power to all devices in your system before making input and output connections to the DA10 Connect a stereo digital audio INPUT from your source using any or all of the following AES source using an XLR cable to the XLR connector labeled aes Stereo optical source using a Toslink fib...

Page 5: ...d that you unplug headphones when not in use DO NOT use earbuds or any other headphones designed for use with portable battery powered devices such as MP3 players Damage to the headphones may result CONFIGURING THE XLR OUTPUTS The unit is factory configured to operate in Balanced output mode The balanced signal appears on both PIN 2 and PIN 3 of the XLR outputs PIN 1 is a ground connection for the...

Page 6: ... the DA10 before applying AC power to the DA10 or reduce the volume to 00 before applying power to or changing operating modes of the digital source The volume setting is non volatile and is stored when you turn the AC power OFF For this reason it is advisable to reduce the volume to a low setting or mute 00 before turning the AC power OFF in systems where the DA10 is connected directly to power a...

Page 7: ... with music program material the audio system and listening environment It can range from very subtle to quite apparent E VOLUME CONTROL The DA10 features a digitally controlled analog Volume circuit to control the volume of the XLR and Headphone outputs Even though the control is in discrete 1 dB steps the change is accomplished after the DA conversion in the analog domain This means that the aud...

Page 8: ... operate with an absolute maximum input level of 2V rms which is 5 6 V peak to peak When operating in unbalanced configuration the VOLUME setting on the DA10 that corresponds to this level is 46 It is recommended to check the specifications and confirm this corresponds to the absolute maximum input rating of your equipment according to the manufacturer If it does not you should determine the corre...

Page 9: ...ne the proper maximum Volume control setting of the DA10 for other voltage values For Volts rms or Volts p p find the voltage on the vertical scale on the right side of the graph and trace horizontally until it intersects the relevant curve solid for rms dotted for V peak to peak balanced or unbalanced At the point where the horizontal line intersects the curve trace straight down to the scale on ...

Page 10: ...e of the table The back panel is the one with the input and output connectors 5 You may need to pick the DA10 up a bit to start sliding the bottom chassis out of the top cover Once it starts to come out we would recommend grasping the chassis by placing your thumb on the top edge of the rear panel with your four fingers under the bottom of the unit Slide the bottom chassis completely out of the to...

Page 11: ...me until you hear sound from your speakers If you have turned the volume setting up to at least 20 and you still don t hear any sound at all try plugging headphones into the DA10 If you hear sound in the headphones and not from the XLR output reduce the volume and check all the other switch settings and connections in your system If everything seems to be in order and you hear sound in the headpho...

Page 12: ...tput is capable of much higher levels than a battery powered device in order to properly drive typical HiFi headphones Damage may occur to the portable device headphones if they are connected with the DA10 Volume control set to a higher setting Volume Control Precision Integral linearity deviation from straight line better than 0 1dB Differential linearity step size better than 0 08dB AC Power Vol...

Page 13: ...vice bureau or similar businesses This limited warranty gives you specific legal rights You may have others which vary from state jurisdiction to state jurisdiction LIMITS AND EXCLUSIONS LAVRY ENGINEERING DOES NOT BY VIRTUE OF THIS AGREEMENT OR BY ANY COURSE OF PERFORMANCE COURSE OF DEALING OR USAGE OF TRADE MAKE ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTY OF ...

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