Detailed Specifications - Infinity PS212W Service Manual

PS212W subwoofer
PS212W 250W Powered Sub Amp
LINE VOLTAGE
US 120vac/60Hz
EU 230vac/50-60Hz
Parameter
Amp Section
Type (Class AB, D, other)
Load Impedance (speaker)
AVG System impedance
Min System imepdance
Rated Output Power (120VAC)
AVG RMS Dynamic Power
THD @ Rated Power
THD @ 1 Watt
DC Offset
Damping factor
Input Sensitivity
Input Frequency
L or R
LFE input
System Gain (L or R inputs)
System Gain (LFE input)
Signal to Noise
SNR-A-Weighted
SNR-unweighted
Residual Noise Floor
Input Impedance
Line Input (L, R,LFE)
Filters
LP filter Variable (Normal mode)
Subsonic filter (HPF) 2nd Order
Friend circuit
LFE Low pass
Limiter
THD at Max. Output Power
Features
Volume pot Taper (lin/log)
Phase switch
LP Filter defeat switch
Wireless ready
Wireless channels
LED Indicator
Input Configuration
Line in (L,R) & LFE
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
ATO Input test frequency
ATO Level LFE Input
ATO Turn-on time
Auto Mute/ Turn-OFF Time
Power on Delay time
Yes/No Hi/Lo Line Nom.
Yes 108-132 120
Yes 207-253 230
QA Test
Specification Unit
Limits
D n/a n/a
4 Ohms n/a
5.482 Ohms n/a
3.688 Ohms n/a
250 Watts 250
300 320 Reference
0.5 %
0.2 % 0.3
10 mV-DC 30
>50 DF 20
50 Hz 50
13 mVrms ±1dB
6.38 mVrms ±1dB
43.7 dB Reference
50 dB Reference
80 dBA 75
60 dBr 55
<1.5 mVrms(max) 2.5
10K ohms n/a
50-150 Hz ± 10
Fixed
Fixed
200>LP<500 Hz
5 % functional
--
LOG -- functional
0-180 deg functional
YES functional
YES functional
4 n/a functional
YES functional
YES -- functional
YES functional
50 Hz functional
2 mV functional
5 ms functional
5-15 minutes 5-15
3 sec.
Unit
Vrms
Vrms
Conditions
Nominal
AP Computed BW from 20 to 500Hz
@ 26Hz
200mV driven into LFE input
1 22K filter
22K filter
@ Speaker Outputs
Measured at amplifier board 90% of full
power
Nominal Freq.
To 1 Watt
To 1 Watt
relative to 1W
relative to 1W
Volume @max, w/ A/P Swept
Bandpass Measurement (Line freq.+
harmonics) (BW=20 KHz)
Nominal
LFE input driven only
Drive unit 6dB above the required level
to obtain full power Approximately
800mV single input driven, L or R input
Amp connected and AC on, then input
signal applied
T before muting, after signal is removed
4 AC Power Applied
2
Notes
Normal Operation
Normal operation, MOMS required
Notes
Domestic version only 120 VAC-60 Hz
Average RMS power, 3/20 Cycles 50 Hz, Driven
6dB above its input sensitivity , average of the
RMS value for the first 4 consecutive peaks
Measured at the speaker cable. 225 Watts @
THD < 0.1 % @ 50 Hz
Single input driven
Single input driven, LFE switch ON
Single input driven L or R inputs (Local inputs)
Single input driven LFE Mode local input
A-Weighting filter
22K filter
Line level inputs must be terminated using
1KOHM
4th Order variable-24 db/Octave
Maximum THD as a result of limiting.
A Taper
Disables LP filter, Wireless mode only, it has no
effect when using local inputs
Refer to Wireless section below
System is provided with 4 wireless channels,
which can be selected via a rear panel switch,
channel should match ID at Tx side
RED-Standby, GRN-Active, ORG-Wireless link
and subwoofer are active.
Dual RCA jack
Maximum acceptable level.
Auto turn of time (T) must be 5 > T < 15
Minutes