Infinity PS212W Service Manual page 4

PS212W subwoofer
Parameter
Transients/Pops
ATO Transient
Turn-on Transient
Turn-off Transient
Efficiency
Efficiency
Efficiency at 1/8 of rated power
Standby Input power
Idle input power
Power Cons. @ rated power
Protections
Short Circuit Protection
Thermal Protection
DC Offset Protection
Line Fuse Rating
USA-Domestic
EU
SYSTEM PERFORMANCE USING WIRELESS Tx
THD @ 1 Watt
Tx Input Impedance
Line Input (LFE)
System Sensitivity
Input Frequency
LFE Input
System gain
System Signal to Noise
SNR-A-Weighted
SNR-unweighted
Filters
System filter
Tx Limiter
THD at Max. Output Power
Tx-Signal Sensing (ATO)
Auto-Turn-On (yes/no)
ATO Input test frequency
ATO Level LFE Input
Auto Mute/ Turn-OFF Time
Tx Features
LFE Input
Channel ID switch
External power supply
requirements
Power comsumption
Tx Standby Input Power
Tx Standby input current
Tx Idle Power
Tx Idle Power
Other Parameters/Notes:
1. Volume control should be at the input buffer stage in order to lessen the possibility of clipping the input section with highly dynamic audio material.
2. ALL SPECS SHOULD BE MEASURED AT NOMINAL LINE VOLTAGE.
QA Test
Specification Unit
Limits
0.5 V-peak 0.5V
0.5 V-peak 0.8V
0.5 V-peak 0.8V
65 % 60
48 % 45
10 Watts 12
14 Watts 20
388 Watts 416
YES functional
YES functional
YES -
3.15 Amps 3.15
2 Amps 2
0.2 % 0.3
7.3K ohms n/a
50 Hz 50
6.187 mVrms ±1dB
50 dB ±1dB
65 dBA 65
55 dBr 55
None Hz
5.7 Vrms functional
YES functional
50 Hz functional
2 mV functional
5-15 minutes 5-15
--
YES -- functional
YES functional
18 VDC functional
1 Watts Reference
0.019 Amperes Reference
2.34 Watts Reference
1.64 Watts Reference
Conditions
@ Speaker Output
@ Speaker Output
@ Speaker Output
Test conducted at rated power 250W
Test conducted at 31.25 WRMS
@ nom. line voltage
@ nom. line voltage
Direct short at output
@1/8 max unclipped Power at 1.06
times the input voltage
DC present at Speaker Out leads
Type-T or Slo Blo-250 V
Type-T or Slo Blo-250 V, Low Breaking
capacity
22K filter
Nominal @ 1KHz
Using Tx
Nominal Freq.
To 1 Watt
To 1 Watt
Using Tx
relative to 1W
relative to 1W
Should not have any effect on the FR of
the system
T before muting, after signal is removed
120VAC line voltage
120VAC line voltage
120VAC line voltage
120VAC line voltage
3
Notes
Amplifier activated by signal presence at the
Line input
AC Line cycled from OFF to ON
AC Line cycled from ON to OFF
Nominal Line voltage
Nominal Line voltage-Rated impedance 4 Ohms
Nominal Line voltage RED LED
Maximum allowable input power under nominal
Input voltage and frequency, HOT or COLD
operation. LED GREEN no signal applied
250 Watts @ 4 Ohms nominal line voltage
Amplifier should resume operation after short
circuit condition removal
Temperature rise in accessible metal parts
should not exceed 35K rise for domestic version
or 30K rise for European versions (refer to
requirements sheet).
Design must insure no Offset/DC Voltage at the
speaker output under any operating condition
including abnormal operation
Internal fuse with UL/SEMKO rated holder
Internal fuse with UL/SEMKO rated holder
System level, using Tx
System level, using Tx
System level, using Tx
A-Weighting filter
22K filter
Max input voltage Tx front end can handle
without exceeding 1% THD
Auto turn of time (T) must be 5 > T < 15
Minutes
Single RCA Connector
4 Position switch, to select wireless channels
System provided with Power supply model GPE-
152, delivering 18VDC @ 400mA
RED LED
RED LED
Unit in operation Locked to Rx section Solid
GRN
Unit in operation NOT locked to Rx section