Lavry DA11, Manual

Page 1: ...LavryBlack Series Model DA11 Stereo Digital to Analog Converter Patent Pending PiC Playback Image Control ...

Page 2: ...Lavry Engineering Inc P O Box 4602 Rolling Bay WA 98061 http lavryengineering com email techsupport lavryengineering com August 8 2012 Rev 1 7 ...

Page 3: ...Features and Connections 6 Operation USB input 7 Operation Configuring the XLR Outputs 9 Operation Front Panel and Setting Mode 10 Operation Setting Mode Input selection xlr opt usb rca 11 Operation Setting Mode Output Invert Unbalanced Output Dim 12 Operation Operating Mode PiC and Volume Control 13 Operation Determining the Correct Level Setting 14 Operation Optional Infrared Remote Control 16 O...

Page 4: ...DA11 Table of Contents ...

Page 5: ...lts The setting is on if the LED above it is on and off if the LED is off except at the cursor flashing rapidly on flashing slowly off 3 A rapidly flashing cursor appears at the first position on the left xlr indicating the xlr input is On The default setting status display looks like this where symbolizes the rapidly flashing cursor The Wide Narrow switches do not move the cursor 4 Click the SELE...

Page 6: ...e power is turned off Any time the VOLUME display reverts to the LE symbol the settings are stored including after any volume adjustment from the front panel or remote Diagram 1 Section 1 Setting Controls The two switches under the SELECT legend on the left side of panel control the Setting mode of the DA11 The first switch labeled with the symbols has two functions Clicking the switch down in the...

Page 7: ...peration of the USB input Please see the USB INPUT section of the manual for details Output muting The main XLR outputs of the DA11 can be muted while the headphone output remains active If the output setting is on as indicated by the LED the outputs are on If the output setting is off the main outputs are muted This function operates differently than the Mute function controlled by the optional i...

Page 8: ...ed For standard sample rates of 44 1 48 88 2 or 96 kHz the first two digits of the actual sample rate are displayed so an input that is locked to a valid 88 2 kHz sample rate would be indicated by an 88 in the VOLUME display Please see the OPERATION section of the manual for details In Setting mode if the DA11 is not receiving a valid signal on the selected input or there is nothing connected the ...

Page 9: ...bled see below Optional Infrared Remote The DA11 is programmed to accept standard Philips RC5 TV infrared remote commands This means almost any Universal infrared remote control can be programmed to control the DA11 Be sure to check the package of the universal remote to confirm it works with Philips TV s Follow the instructions that come with the universal remote and program the remote using the ...

Page 10: ...ing any connections the DA11 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 DA11 except the USB port See the section titled USB INPUT for details 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 co...

Page 11: ... audio software was playing when the power was cycled the DA11 will display in Setting mode until the playback is stopped not paused and started again There will be no sound reproduced until the sample rate indication re appears It is advisable to keep the DA11 volume setting low until sound is reproduced The DA11 has a USB input compatible with the USB 2 0 standard The USB input has a maximum sam...

Page 12: ...en check mark will appear next to the speaker symbol If not click once on the LavryBlack DA to select it and then click on the Set Default button at the bottom of the control panel While the Lavry DA is highlighted click on the Properties button at the bottom of the control panel A second panel will open titled Speaker Properties and the Lavry DA should be listed in the middle of the GENERAL tab i...

Page 13: ...e DA11 The included XLR to RCA adapters and many adapter cables are wired as Pin 2 Hot unbalanced The XLR outputs are short circuit protected so operating the DA11 with the outputs configured incorrectly will not result in permanent damage If the outputs are configured for balanced operation and connected to unbalanced wiring the reproduced audio will be significantly more distorted than with the ...

Page 14: ...d remote the entire display goes dark In Operating mode if the SAFE MODE of the infrared receiver is disabled the two LED s that indicate the setting of the Stereo Image Control flash when the LE symbol appears On the right side of the front panel the VOLUME display has two modes 1 In Operating mode the numerical value of the volume is displayed for ten seconds after the setting has been changed A...

Page 15: ...itions in the Setting mode display are the digital audio inputs of the DA11 and correspond to the connectors on the back panel To listen to the desired input enter the Setting mode by clicking the switch once and then click it either up or down to move the cursor to the position above the legend for the desired input Once the cursor is above the desired input click the right SELECT switch down in ...

Page 16: ...the signal affects the motion of the speaker reproducing the audio and if incorrect can affect the fidelity of the audio in a way that will vary with program material If correct throughout the recording and reproduction process a positive air pressure at the microphone will result in a positive pressure created by the speaker If it is inverted the speaker will move in the opposite direction and th...

Page 17: ...rs increases the apparent width of the stereo sound field Moving the settings in the narrow direction numbers decreases the apparent width making it closer to mono Similar to the VOLUME up down control single clicks move the width setting one step and holding the switch moves the setting until it reaches the end of the adjustment range When the Mute function is enabled by an optional infrared remo...

Page 18: ...FM radio for example Switch to the input that the DA11 is feeding and raise the Volume setting of the DA11 until the acoustic volume is the same as other sources Matching the acoustic level between sources will almost certainly mean you are not exceeding the input rating of your equipment There is wide variation in the absolute maximum input level that HiFi equipment is capable of accepting withou...

Page 19: ...ob potentiometer volume controls on consumer equipment particularly at lower level settings Determining the Correct DA11 Volume Setting for other input ratings Use the graph below to determine the proper maximum Volume control setting of the DA11 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...

Page 20: ...mode To indicate the mute function has been engaged in Operating mode the two LED s in the IMAGE display will go dark unit the mute button is pressed again to un mute the DA11 The mute function can also be turned off by operating the DA11 s front panel volume up down switch 2 The current factory default is for the SAFE MODE to be disabled If SAFE MODE is enabled all other commands are gated to pre...

Page 21: ... LE symbol appears and the LED s in the IMAGE display blink once Safe Mode can be disabled using the same procedure The setting for SAFE MODE is stored in non volatile memory so the DA11 will retain the setting when the AC power is cycled SPECIFICATIONS Volume Control Precision Integral linearity deviation from straight line better than 0 1dB Differential linearity step size better than 0 08dB Dig...

Page 22: ...phones Damage may occur to the portable device headphones if they are connected with the DA11 Volume control set to a higher setting AC Power Voltage 90 264 VAC Frequency 40 63Hz Typical Current usage 0 1A Fuse Rating 2 5A Time Delay Subject to change Please always check the rating on the fuse and the one printed next to the fuse holder on the power supply PC board before replacement Replace the f...

Page 23: ...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 MERCH...