Infinity PS212 Service Manual page 3

PS series PS212 subwoofer
PS 212 subwoofer 400 W Powered Sub/ Plate Amp
LINE VOLTAGE
NA 120vac/60Hz
EU 230vac/50-60Hz
Parameter
Amp Section
Type (Class AB, D, other)
Load Impedance (speaker)
Rated Output Power
THD@ Rated Power
THD @ 1 Watt
DC Offset
Damping factor
Input Sensitivity
Line Input
Signal to Noise
SNR-A-Weighted
SNR-unweighted
SNR rel. 1W-unweighted
Residual Noise Floor
Residual Noise Floor
Input Impedance
Line Input
Active Filters
Low Pass (fixed or variable)
Frequency
Slope
Q
High Pass (HPF)
Frequency
Slope
Q
Friend Circuit
Frequency
Slope
Q
Video Boost
Boost
Range
Switches
Main Power ON/OFF
Type
LFE/ Low Pass filter mode
Type
Polarity Switch
Type
Limiter (yes/no)
THD at Max. Output Power
Output Level Control
Volume Control Pot
Taper (lin/log)
@ minimum setting
Input/Output Configuration
Line In (L,C,R,AC3,Mono)
LFE In
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
ATO Input Test Frequency
ATO Input Threshold
ATO Low Pass cutoff
Yes/No Hi/Lo Line Nom.
Yes 108-132 120
Yes 207-264 230
QA Test
Limits
Specification Unit
D ---
4 Ohms
300 Watts
1 %
0.5 %
undefined mV-DC < 20
20 N/A > 15
130 mV mVrms
100 dBA
70 dBr
60 dBr
2 mVrms
1
mVrms(max)
6.5 k ohms
VARIABLE --
50 - 150 Hz
24 dB/Octave
Butterworth --
FIXXED --
29 Hz
12 dB/Octave
2 --
FIXXED --
60 Hz
6 dB/Octave
2.5 --
NONE --
dB
Hz
YES --
rocker --
YES --
mini toggle --
YES --
mini toggle --
YES
less than 2 %
YES --
log A taoer --
no output
Stereo --
YES --
YES --
100 Hz
1 mV typ.
1 kHz
Unit
Vrms Normal Operation
Vrms Normal operation, MOMS required
Conditions
Nominal Z-curve required
Regulated 120 V line
22k filter, 50Hz 300W
22k filter, 50Hz
@ Speaker Outputs
measured at 50 Hz
300 W @ 50Hz 1 input driven
relative to rated power A-Weighting filter
relative to rated power 22k filter
relative to 1W Output 22k filter
Volume @max, using RMS reading DMM/VOM (or A/P)
Volume @max, w/ A/P Swept Bandpass Measurement (Line freq.+ harmonics)
Nominal
notch filter
Located on amp plate TV-5
Located on amp plate
"Off": 0°; "On": 180°
Located on amp plate
compressor and limiter
Maximum Output Power Maximum THD as a result of limiting.
gain control mounted on amp panel
RCA phono jack, gold plated
Shared with "R" Line In jack
LPF "On", BOS "Off"
ATO-LPF for noise immunity LPF "On", BOS "Off"
2
Notes
Notes