JBL PowerBass PB10, Руководство по обслуживанию

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PB10
5
JBL PB 10
150W Powered Sub Amp
LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit
US 120vac/60Hz Yes 108-132 120 Vrms
EU 230vac/50-60Hz Yes 207-264 230 Vrms
Parameter Specification Unit QA Test
Limits
Conditions
Amp Section
Type (Class AB, D, other) D n/a n/a
Load Impedance (speaker) 4 Ohms n/a Nominal
Rated Output Power 150 Watts
70
1 input driven
THD @ Rated Power 0.3 % 1 22k filter
THD @ 1 Watt 0.1 % 0.5 22k filter
DC Offset 10 mV-DC 20 @ Speaker Outputs
Damping factor 50 DF
35
Input Sensitivity
Input Frequency 50 Hz 50 Nominal Freq.
L&R 128 mVrms ±2dB To 75 Watts
LFE 128 mVrms
±2dB
To 75 Watts
Speaker/Hi Level Input 1.28 Vrms
±2dB
To 75 Watts
Signal to Noise
SNR-A-Weighted 100 dBA 70-75 relative to rated power
SNR-unweighted 80 dBr 70-80 relative to rated power
SNR rel. 1W-unweighted 65 dBr 60 relative to 1W Output
Residual Noise Floor 1 mVrms
2 - 2.8 Volume @max, using DVM or A/P
(BW=20 KHz)
Residual Noise Floor 1.5 mVrms(max) 2 - 2.8 Volume @max, w/ A/P Swept
Bandpass Measurement (Line freq.+
harmonics) (BW=20Khz)
Input Impedance
Line Input 20K ohms
n/a
Nominal
Speaker/Hi Level Input 4.7K ohms
n/a
Nominal
Filters
Speaker in LP 2nd order variable 60-150 Hz ± 10
Subsonic filter (HPF) fixed 6th o Fixed
LFE Low pass 2nd order fixed 200>LP<1K Hz
Single input driven
Speaker out HP filter
Left & Right 200 Hz ± 10 Speaker input - Spkr out 4 Ohms
Left & Right 100 Hz ± 10 Speaker input - Spkr out 8 Ohms
Limiter YES
Signal Sensing (ATO)
Auto-Turn-On (yes/no) YES
functional
Auto - on selection switch in Auto
ATO Input test frequency 50 Hz functional "
ATO Level LFE Input 4 mV functional "
ATO Level Speaker in 50 mV
functional
"
ATO Turn-on time 5 ms
functional Amp connected and AC on, then input
signal applied
Auto Mute/ Turn-OFF Time 15 minutes
17 T before muting, after signal is
removed
Power on Delay time 3 sec.
4
AC Power Applied
Transients/Pops
ATO Transient 5 mV-peak
n/a
@ Speaker Outputs
Turn-on Transient 50 mV-peak
2v-pp
@ Speaker Outputs
Turn-off Transient 50 mV-peak 2v-pp @ Speaker Outputs
Efficiency 65 %
64
Stand-by Input Power 15 Watts 18 @ nom. line voltage
Power Cons. @ rated power 115 Watts 120 @ nom. line voltage
Protection
Short Circuit Protection YES functional Direct short at output
Thermal Protection YES
functional
@1/8 max unclipped Power
DC Offset Protection YES
-
DC present at Speaker Out leads
Line Fuse Rating US version Amps 1.5 Type-T or Slo Blo-250 V
EU Amps TBD Type-T or Slo Blo-250 V
DETAILED SPECIFICATIONS PB10 Subwoofer