Lyngdorf Audio SDAI 2175 Stereo Amplifier User Manual


 
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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. Do not use abrasive
cleaners or cleaners containing liquid solvents.
Technical specifications
Audio
Parameter Value Note
Balanced input connectors 3 pin XLR, gold-plated. Case=Gnd, Pin1=Gnd,
Pin2=Hot(+), Pin3=Cold(-)
Balanced input impedance 10kOhm
AC
-coupled.
Balanced input CMRR 40dB 20Hz-20kHz.
Unbalanced input connectors RCA (phono) jack, gold-plated.
Case=Gnd, Tip=Hot(+)
Unbalanced input impedance 100kOhm
AC
-coupled
Tape Out output impedance 75 Ohm Gain 0 dB ref. active input
Pre Out output impedance 75 Ohm unbalanced
100 Ohm balanced
Gain According to volume
control setting. 88 dB = 0 dB
with sensitivity 0 dB and rel.
volume 0 dB
Max. input voltage ±12Vp AC, 0-20V DC.
Input sensitivity 2V (1V with high sens.) 200W/8ohms
Voltage gain
26dB
Output connectors 4 insulated binding posts, gold-
plated.
Will accept bare wire ends of
up to 5 mm diameter.
Output power, 8ohms 2*200W 1KHz, 1% THD+N
Output power, 4ohms 2*375W 1KHz, 1% THD+N
Nominal load impedance 4 Ohms-8 Ohms It is safe to operate the
amplifier with no load.
Frequency response 0.3Hz-33kHz -3dB points, 8ohms load.
Frequency response -0dB/+0.2dB 20Hz-20kHz, 8ohms load
Frequency response -0.2dB/+0dB 20Hz-20kHz, 4ohms load
Output impedance 0.035 Ohms 20Hz-1kHz
Output impedance 0.4 Ohms 20kHz
THD+N, 1W/8ohms 0.004%
A
-wgt.
THD+N, 1W/4ohms 0.006%
A
-wgt.
THD+N, 100W/8ohms 0.01%
A
-wgt.
THD+N, 180W/8ohms 0.07%
A
-wgt.
THD+N, 375W/4ohms 0.07%
A
-wgt.