JBL ES250PW Service Manual page 4

ES250PW
Parameter
ATO Turn-on time
Auto Mute/ Turn-OFF Time
Power on Delay time
Transients/Pops
ATO Transient
Turn-on Transient
Turn-off Transient
Efficiency
Efficiency
Efficiency 1/8 of rated power
Input Power 1/8 of rated power
Input current 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 TRANSMITTER (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
Tx Filters
System filter
Tx Input Limiter dynamic
range
Maximum input voltage the Tx
line input can take without
exceeding 1% of THD at the
output of the sub amp
Tx-Signal Sensing (ATO)
Auto-Turn-On (yes/no)
ATO Input test frequency
ATO Level LFE Input
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Specification Unit
5 ms
5-15 minutes
3 sec.
0.5 V-peak
0.5 V-peak
0.5 V-peak
65 %
48 %
61 Watts
0.75 Amperes
15 Watts
14 Watts
303 Watts
YES
YES
YES
3.15 Amps
2 Amps
0.43 %
7.3K ohms
50 Hz
6.5 mVrms
50 dB
75 dBA
55 dBr
None Hz
5.7 Vrms
YES
50 Hz
2 mV
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QA Test
Conditions
Limits
Amp connected and AC on, then
functional
input signal applied
T before muting, after signal is
5-15
removed
4 AC Power Applied
0.5V @ Speaker Output
0.8V @ Speaker Output
0.8V @ Speaker Output
Test conducted at rated power
62
200W
45 Test conducted at 31.25 WRMS
69.4 Test conducted at 31.25 WRMS
Reference Test conducted at 31.25 WRMS
16
16 @ nom. line voltage
331 @ nom. line voltage
functional Direct short at output
@1/8 max unclipped Power at
functional
1.06 times the input voltage
- DC present at Speaker Out leads
3.15 Type-T or Slo Blo-250 V
Type-T or Slo Blo-250 V, Low
2
Breaking capacity
0.5 22K filter
n/a Nominal @ 1KHz
Using Tx
50 Nominal Freq.
±1dB To 1 Watt
±1dB To 1 Watt
Using Tx
70 relative to 1W
55 relative to 1W
Should not have any effect on the
FR of the system
functional
functional
functional
functional
3
Notes
Auto turn of time (T) must be 5 > T < 15
Minutes
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
200 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
Refer to AP Graph
Max input voltage Tx front end can handle
without exceeding 1% THD