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Accessories 

The following items are included in the accessories kit: 

1:

One mains cord 

2:

This manual 

3:

Customer registration form 

Operating voltage 

The SDA 2175 is available in a version for 115V mains voltage and in a version for 230V 
mains voltage. 
Check the label on the SDA 2175 rear panel and verify that you have the version with the 
proper voltage for your area. 

The 115V version requires a mains voltage of 100V-120V at 50-60Hz with a current rating of 
8A. 

The 230V version requires a mains voltage of 200V-240V at 50-60Hz with a current rating of 
4A. 

The mains voltage setting for your SDA 2175 can be changed 

ONLY BY A QUALIFIED 

TECHNICIAN

WARNING: Connect the power input only to the AC source printed on 
the label. The warranty will not cover any damage caused by 
connecting to the wrong type of AC mains. 

Product Registrations 

Please record the serial number of your amplifier here for future reference. The serial number 
is printed on the label on the SDA 2175 rear panel. You will need this serial number, should 
you ever require service for your SDA 2175 power amplifier. 
 

SDA 2175 serial number: _____________________

  

 

Please fill in the enclosed Customer registration form and submit it to 
Lyngdorf Audio, so that we can register you as owner of the unit and keep 
you informed of future upgrades of the product. 

Summary of Contents for SDA 2175

Page 1: ...SDA 2175 Compact Analog Power Amplifier Owner s Manual...

Page 2: ...ns 5 Introduction 6 Front panel 6 Controls 6 Indicators 6 Rear panel 7 Mains Connector 7 Loudspeaker connectors 7 Input connectors 8 Balanced inputs 8 Unbalanced inputs 9 Trigger connectors 9 Cleaning...

Page 3: ...in the literature accompanying the product Lightning symbol The lightning with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated Dangerous Vo...

Page 4: ...moving the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Connect only to the proper mains voltag...

Page 5: ...he mains voltage setting for your SDA 2175 can be changed ONLY BY A QUALIFIED TECHNICIAN WARNING Connect the power input only to the AC source printed on the label The warranty will not cover any dama...

Page 6: ...strumentation type input amplifier Except for the input amplifier the SDA 2175 is fully DC coupled with no bypass capacitors or DC servos to degrade performance The protection circuitry in the SDA 217...

Page 7: ...ins Loudspeaker connectors The SDA 2175 loudspeaker connectors accept banana plugs spades or bare wire ends up to 5 mm in diameter Connect the wires from each loudspeaker to each channel s and termina...

Page 8: ...nced inputs The balanced XLR inputs are wired in accordance with IEC268 Pin 1 Chassis and ground Pin 2 Hot Pin 3 Cold Shell Chassis and ground When the balanced inputs are used with a balanced source...

Page 9: ...he TRIGGER IN socket the SDA 2175 standby mode is controlled by the voltage on the plug With no voltage applied the SDA 2175 will go into standby mode If a DC voltage of 5 24V or a 50Hz AC voltage of...

Page 10: ...Nominal load impedance 4 8 Ohms It is safe to operate the amplifier with no load Frequency response 0 3 Hz 33 kHz 3 dB points 8 Ohms load Frequency response 0dB 0 2dB 20 Hz 20 kHz 8 Ohms load Frequen...

Page 11: ...on 1 5 W STANDBY mode Power consumption 35 W OPERATE mode no output Power consumption 116 W 2 x 37 5 W 4 Ohms Power consumption 820 W 2 x 300 W 4 Ohms Trigger Parameter Value Note TRIGGER IN connector...

Page 12: ...epresentative Support Please check the Lyngdorf Audio Denmark website under Support for latest version of control software newest version of this document and Questions and Answers Lyngdorf Audio Denm...

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