Lyngdorf Audio SDAI 2175, Owner'S Manual

1 6

Technical specifi cations

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 con-

trol 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 amplifi er 

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.

S/N ratio

113dB

A-wgt. Ref. 200W/8ohms.

Channel separation

84dB

1kHz, 200W/8ohms.

Peak output current

±40A

Output common mode voltage

35V DC

Ref.  Ground.  The  amplifi er  can 

not be used in bridged mono 

mode.

Output DC voltage

±5 mV

All audio measurements, except frequency response, are measured with a 20 kHz low-pass fi lter in ac-

cordance with AES-17.