Detailed Specifications - Infinity Classia Series Service Manual

PSW310W subwoofer Classia Series
PSW310W 250W Powered Sub Amp
LINE VOLTAGE
US 120vac/60Hz
EU 230vac/50-60Hz
Parameter Specification
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
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
Yes/No Hi/Lo Line Nom.
Yes 108-132 120
Yes 207-253 230
QA Test
Unit
Limits
D n/a n/a
4 Ohms n/a
5.3 Ohms n/a
3.6 Ohms n/a
250 Watts 250
300 312 Reference
0.5 % 1
0.2 % 0.3
10 mV-DC 30
>50 DF 20
50 Hz 50
28.69 mVrms ±1dB
14.93 mVrms ±1dB
36.86 dB Reference
42.53 dB Reference
80 dBA 75
70 dBr 65
<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
Unit
Vrms
Vrms
Conditions
Nominal
AP Computed BW from 20 to
500Hz
@ 100 Hz
800mV driven into a single input L
or R
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
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
RED-Standby, GRN-Active, ORG-Wireless
link and subwoofer are active.
Dual RCA jack