JBL Venue SUB12, Руководство по обслуживанию

Страница: 4 / 19

VENUE SUB12 150W Powered Sub/ Plate Amp
LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit Notes
US 120vac/60Hz Yes 108-132 120 Vrms Normal Operation
EU 230vac/50-60Hz Yes 207-264 230 Vrms Normal operation, MOMS required
Parameter Specification Unit
QA Test
Limits Conditions Notes
Amp Section
Type (Class AB, D, other) D n/a n/a
Rated Output Power (120VAC) 150 Watts 140 Domestic version only 120 VAC-60 Hz
Rated Output Power (230VAC) 150 Watts 130 EU Version only 230 VAC-50 Hz
AVG RMS Dynamic Power 250 Watts
225
Average RMS power, 3/20 Cycles 50 Hz, Driven
6dB above its input sensitivity sensitivity
THD @ Rated Power 0.3 %
1
22k filter 145 Watts
THD @ 1 Watt 0.1 % 0.5 22k filter
DC Offset 10 mV-DC 30 @ Speaker Outputs
Damping factor >50 DF 35 Measured at amplifier board
Measured at the speaker cable. 150 Watts @
THD < 0.1 % @ 50 Hz
Input Sensitivity
Input Frequency 50 Hz
50
Nominal Freq.
L&R 240 mVrms ±2dB To 150 Watts Single input driven
LFE input 240 mVrms ±2dB To 150 Watts Single input driven, LFE switch ON
Speaker/Hi Level Input 2.4 Vrms ±2dB To 150 Watts Single input driven
Signal to Noise
SNR-A-Weighted 90 dBA
70
relative to rated power A-Weighting filter
SNR-unweighted 85 dBr
70
relative to rated power 22k filter
SNR rel. 1W-unweighted 65 dBr 60 relative to 1W Output 22k filter
Residual Noise Floor 1 mVrms 2
Volume @max, using RMS reading
DMM/VOM (or A/P) BW=20 Khz. Line level inputs must be terminated using
1KOHM
Residual Noise Floor 1.5 mVrms(max)
2
Volume @max, w/ A/P Swept
Bandpass Measurement (Line
freq.+ harmonics) (BW=20 Khz)
Line level inputs must be terminated using
1KOHM
Input Impedance
Line Input (L, R,LFE) 10K ohms n/a Nominal
Speaker/Hi Level Input > 4.7K ohms n/a Nominal
Filters
LP filter 4th order fixed 60-180 Hz ± 10
See AP curves 2nd order va 2nd order
fix-24 db/Octave
Subsonic filter (HPF) 3rd Order Fixed
LFE Low pass 2nd order 200>LP<1K Hz LFE input driven only
HP speaker out connector 200 Hz ± 10
Speaker input driven - Speaker out
loaded with 4 Ohms
(Applies only to 230V Model)
Note: 120V Models do not
have speaker output
100 Hz
± 10
Speaker input driven - Speaker out
loaded with 8 Ohms
(Applies only to 230V Model)
Limiter
THD at Max. Output Power n/a n/a functional Maximum Output Power Maximum THD as a result of limiting.
Features --
Volume pot Taper (lin/log) LOG --
functional
A Taper
HP Speaker out 230v version
functional Refer to Filter section
Phase switch 0-180 deg
functional
LP Filter defeat switch YES functional Disables LP filter, intended for LFE
Input Configuration
Line In (L,R) & LFE YES -- functional Dual RCA jack
Spkr/Hi Level In YES -- functional Binding post connector L&R
Signal Sensing (ATO)
Auto-Turn-On (yes/no) YES functional
ATO Input test frequency 50 Hz functional
ATO Level LFE Input 4 mV functional Maximum acceptable level.
ATO Level Speaker in 50 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 15 minutes 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
3
Venue SUB12