Read JBL DPS 12 Service Manual online
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
Specification Unit
Test Limits Conditions
Notes
Amp Section
Type (Class AB, D, other)
D
n/a
Class D Preferred...Sink required for Class
AB
Load Impedance (speaker)
8
Ohms
n/a
Nominal
Z-curve required
Rated Output Power
250
Watts
150
1 input driven
Peak power
THD@ Rated Power
0.3
%
1
22k filter
160w (Power Bandwidth 30-100Hz) @ 120
VAC
THD @ 1 Watt
0.5
%
0.8
22k filter
DC Offset
<20
mV-DC
10mV
@ Speaker Outputs
Damping factor
>90
DF
>50
Input Sensitivity
Input Frequency
40
Hz
Nominal Freq.
1 input driven
Line Input
265
mVrms
±2dB
To Rated Power/ Vol @ Max 1 input driven: AP source Z = 600 ohms
Speaker/Hi Level Input
9.3
Vrms
±2dB
To Rated Power/ Vol @ Max 1 input driven: AP source Z = 25 ohms
Signal to Noise
SNR-A-Weighted
100
dBA
90
Relative to rated output
A-Weighting filter
SNR-unweighted
75
dBr
70
Relative to rated output
22k filter
SNR rel. 1W-unweighted
(22k)
65
dBr
55
relative to 1W Output
22k filter
Residual Noise Floor
2
mVrms
2.5
Volume @max, using RMS reading DMM/VOM (or A/P) , BW <20KHz
Residual Noise Floor
1.5
mVrms(max
)
2
Volume @max, w/ A/P Swept Bandpass Measurement (Line freq.+
harmonics) , BW<20Khz
Input Impedance
Line Input
10K
ohms
n/a
Nominal
Speaker/Hi Level Input
5K
ohms
n/a
Nominal
Filters
0dBr = 1w @ 50Hz
Low Pass (fixed or variable)
Variable
Low Pass filter (point or
range)
60-180
Hz
±2dB
-3dB Point
Slope
24
dB/Octave
n/a
Q
1
Damping
n/a
Subsonic filter (HPF)
25
Hz
±2dB
-3dB Point
Slope
12
dB/Octave
n/a
Q
1
Damping
n/a
AV Boost
YES
—
4
Amplifier/Subwoofer
PSW-D112/DPS-12
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