DETAILED SPECIFICATIONS
LINE VOLTAGE
Yes/No Hi/Lo Line
Nom.
Unit
Notes
US 120vac/60Hz
Yes
108-132
120
Vrms
Normal Operation
EU 230vac/50-60Hz
Yes
207-264
230
Vrms
Normal operation, MOMS required
Parameter
Specificatio
n
Unit
QA Test
Limits
Conditions
Notes
Amp Section
Type (Class AB, D,
other)
D
n/a
n/a
Class D Preferred...Sink required for Class
AB
Load
Impedance
(speaker)
4
Ohms
n/a
Nominal
Z-curve required
Rated Output Power
100
Watts
1 input driven
Peak power
THD @ Rated (RMS)
Power
0.3
%
1
22k filter
50 Watts
THD @ 1 Watt
0.1
%
0.5
22k filter
DC Offset
10
mV-DC
20
@ Speaker Outputs
Damping factor
50
DF
40
Measured at amplifier board
Measure at amp board THD < 0.1% 50 Watts
@ 50Hz
Input Sensitivity
Input Frequency
40
Hz
50
Nominal Freq.
Line input
100
mVrms
±
2dB
To Rated power/Vol @ Max
Single input driven Un-Balanced GND
Zo=600
Speaker/Hi Level Input
2.6
Vrms
±
2dB
To Rated power/Vol @ Max
Single input driven Un-Balanced GND
Zo=600
Signal to Noise
SNR-A-Weighted
100
dBA
70
relative to rated power
A-Weighting filter
SNR-unweighted
80
dBr
70
relative to rated power
22k filter
SNR rel. 1W-unweighted
65
dBr
55
relative to 1W Output
22k filter
Residual Noise Floor
1
mVrms
2
Volume @max, using DVM or A/P (BW=20 KHz)
Residual Noise Floor
1.5
mVrms(max)
2
Volume @max, w/ A/P Swept Bandpass
Measurement (Line freq.+ harmonics)
(BW=20 Khz)
Input Impedance
Line Input
10K
ohms
n/a
Nominal
Zin Minimum, (test frequency 1 Khz)
Speaker/Hi Level Input
4.7K
ohms
n/a
Nominal
Zin Minimum, (test frequency 1 Khz)
Filters
Speaker in LP 2nd order
variable
50-150
Hz
±
10
-3db Point
Subsonic filter (HPF)
2nd order
25
Hz
Speaker out HP filter
Left & Rigth
200
Hz
±
10
Speaker input - Spkr out 4 Ohms
Left & Rigth
100
Hz
±
10
Speaker input - Spkr out 8 Ohms
4
Amplifier/Subwoofer
ARC SUB10/DS-10
