Parameter
Specification
Unit
QA Test
Limits
Conditions
Notes
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
YES
functional
ATO Input test frequency
50
Hz
functional
ATO Level LFE Input
2
mV
functional
Maximum acceptable level.
ATO Turn-on time
5
ms
functional Amp connected and AC on, then
input signal applied
Auto Mute/ Turn-OFF Time
5-15 minutes
5-15
T before muting, after signal is
removed
Auto turn of time (T) must be 5 > T < 15
Minutes
Power on Delay time
3
sec.
4
AC Power Applied
Transients/Pops
ATO Transient
0.5
V-peak
0.5V
@ Speaker Output
Amplifier activated by signal presence at
the Line input
Turn-on Transient
0.5
V-peak
0.8V
@ Speaker Output
AC Line cycled from OFF to ON
Turn-off Transient
0.5
V-peak
0.8V
@ Speaker Output
AC Line cycled from ON to OFF
Efficiency
Efficiency
65
%
60
Test conducted at rated power
250W
Nominal Line voltage
Efficiency at 1/8 of rated
power
48
%
45
Test conducted at 31.25 WRMS
Nominal Line voltage-Rated impedance 4
Ohms
Standby Input power
10
Watts
12
Nominal Line voltage RED LED
Idle input power
14
Watts
20
@ nom. line voltage
Maximum allowable input power under
nominal Input voltage and frequency, HOT
or COLD operation. LED GREEN no signal
applied
Power Cons. @ rated power
393
Watts
416
@ nom. line voltage
250 Watts @ 4 Ohms nominal line voltage
Protections
Short Circuit Protection
YES
functional Direct short at output
Amplifier should resume operation after
short circuit condition removal
Thermal Protection
YES
functional @1/8 max unclipped Power at 1.06
times the input voltage
Temperature rise in accessible metal parts
should not exceed 35K rise for domestic
version or 30K rise for European versions
(refer to requirements sheet).
DC Offset Protection
YES
-
DC present at Speaker Out leads
Design must insure no Offset/DC Voltage
at the speaker output under any operating
condition including abnormal operation
Line Fuse Rating
USA-Domestic
3.15
Amps
3.15
Type-T or Slo Blo-250 V
Internal fuse with UL/SEMKO rated holder
EU
2
Amps
2
Type-T or Slo Blo-250 V, Low
Breaking capacity
Internal fuse with UL/SEMKO rated holder
Mechanical
System weight
55
Lbs
Reference
Dimensions WxHxD
14x17.5x 15.5
inches
Reference
SYSTEM PERFORMANCE USING WIRELESS Tx
THD @ 1 Watt
0.2
%
0.3
22K filter
Tx Input Impedance
Line Input (LFE)
7.3K
ohms
n/a
Nominal @ 1KHz
System Sensitivity
Using Tx
Input Frequency
50
Hz
50
Nominal Freq.
System level, using Tx
LFE Input
15.84
mVrms
±1dB
To 1 Watt
System level, using Tx
System gain
42
dB
±1dB
To 1 Watt
System level, using Tx
System Signal to Noise
Using Tx
SNR-A-Weighted
65
dBA
65
relative to 1W
A-Weighting filter
SNR-unweighted
55
dBr
55
relative to 1W
22K filter
Filters
System filter
None
Hz
Should not have any effect on the
FR of the system
Tx Limiter
THD at Max. Output Power
5.7
Vrms
functional
Max input voltage Tx front end can handle
without exceeding 1% THD
3
PSW310W subwoofer Classia Series
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