Lyngdorf Audio SDAI 2175 Owner's Manual

Lyngdorf audio owners manual semi digital integrated amplifier sdai 2175

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Owner's manual (20 pages)

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Summary of Contents for Lyngdorf Audio SDAI 2175

Page 1 SDAI 2175 Semi Digital Integrated Amplifier Owners Manual - 1 -...
Page 2: Table Of Contents
Table of Contents WARNINGS...3 Explanation of graphical symbols ...3 Exclamation symbol...3 Lightning symbol...3 Important safety instructions...4 Unpacking the SDAI 2175 ...4 Accessories ...5 Operating voltage ...5 Product Registration...5 Introduction ...6 Front panel...7 Controls...7 Indicators ...8 Rear panel...9 Menu system...10 Software ...12 Connectors...13...
Page 3: Warnings
WARNINGS CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. Explanation of graphical symbols Exclamation symbol The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions...
Page 4: Important Safety Instructions
Carefully remove the unit and accessory kit from the carton, visually check for shipping damage. Contact both the shipper and Lyngdorf Audio immediately if the unit bears any sign of damage from mishandling. All Lyngdorf Audio equipment is carefully inspected before leaving our factory.
Page 5: Accessories
3:Customer registration form. Operating voltage The SDAI 2175 is available in a version for 115V mains voltage and in a version for 230V mains voltage. Check the label on the SDAI 2175 rear panel and verify you have the version with the proper voltage for your area.
Page 6: Introduction
The input signal is fed to the volume control circuit via an AC coupled true instrumentation type input amplifier. Except for this AC coupling, the SDAI 2175 is fully DC coupled with no bypass capacitors or DC servos to degrade the performance. The protection circuitry in the SDAI 2175 shuts down the unit in case of over-temperature, DC voltage on the outputs and too high output current.
Page 7: Front Panel
Fig 1: SDAI 2175 front panel. Controls The buttons/controls on the front panel of the SDAI 2175 can all be used either with direct presses on the front or by operating the similar keys on the included remote control. All keys on the front except for the Mains switch (1) can be found on the remote control as well.
Page 8: Indicators
The SDAI 2175 is in the soft-start phase or the protection circuit is engaged. The SDAI 2175 is operating normally. POWER Illuminated whenever the power is applied to the SDAI 2175 and the mains switch is ON. MENU Indicates the Menu system is operative of the SDAI 2175.
Page 9: Rear Panel
Rear panel Fig 2: SDAI 2175 rear panel. INPUT (1-6) RCA unbalanced input channel 1-6 INPUT (7) Balanced stereo input channel 7 TAPE OUT (8) Line output of selected input PRE OUT (9) Regulated output after volume control of selected input...
Page 10: Menu System
Menu system The Menu system of the SDAI 2175 can be used for setting up the amplifer for nearly all everyday situations. The only feature which can not be changed from the menu system is custom naming of the input texts which can only be performed from the supplied PC setup program.
Page 11 Fig 3: SDAI 2175 Menu system. - 11 -...
Page 12: Software
Maximum volume the user can select, used as a safety feature to prevent excessive volume levels Software Lyngdorf Audio supplies control software for remote control of the SDAI 2175 and setup of the Input text system. Please check the Lyngdorf audio web site for download of the newest version at http://www.Lyngdorf.com The SDAI 2175 firmware can be upgraded using the ‘Lyngdorf Serial Load, software...
Page 13: Connectors
Mains voltage to the SDAI 2175 is applied via an IEC320 type connector. The supplied cable with safety ground should be used to connect the SDAI 2175 to a mains outlet. WARNING: Connect the power input only to the AC source printed on the label.
Page 14: Loudspeaker Connectors
WARNING: Make sure that no conductive part of the speaker wiring is accessible. Do not connect loudspeakers with uninsulated terminals. When the SDAI 2175 is operating, there is 35V DC on its output terminals with reference to ground. Do not connect the output from the amplifier to any other amplifier's output or any other voltage source.
Page 15: Cleaning And Maintenance
Cleaning and maintenance Always unplug the unit from the electrical outlet before cleaning. This unit does not require any regular maintenance except to keep its exterior clean. Simply wipe its exterior with a clean soft cloth. A small amount of non-abrasive cleaner may be used on the cloth to remove any excessive dirt or fingerprints.
Page 16: Protection
Parameter S/N ratio Channel separation Peak output current Output common mode voltage 35V DC Output DC voltage All audio measurements, except frequency response, are measured with a 20 kHz low- pass filter in accordance with AES-17. Protection Parameter Grounding Output short circuit current Output DC voltage Over temperature Mains...
Page 17: Technical Assistance
If you have any problems with questions regarding your Lyngdorf Audio product, please contact Lyngdorf Audio or your nearest representative. Support Please check the Lyngdorf Audio web site under “Support” for latest version of control software, newest version of this document and “Questions and Answers”. Lyngdorf Audio Denmark...