JBL CS480, Руководство по обслуживанию

Страница: 3 / 26

CS80SUB 125W Powered Sub/ Plate Amp
LINE VOLTAGE Yes/No Hi/Lo Line Unit
Notes
US 120VAC/60Hz Yes 108-132 Vrms Normal Operation
EU 230VAC/50-60Hz Yes 207-254 Vrms Normal Operation Normal operation, MOMS required
Parameter Specification Unit QA Test Limits Conditions
Notes
Amp Section
Type (120V Model) AB AB N/A
120V System is Class AB
Type (230V Model) G H N/A 230V System is Class G
Load Impedance (woofer) 4 Ohms N/A Minimum
Woofer Size 8 in N/A Reference
System average impedance 8.22 Ohms N/A 10-500 Hz
Rated Output Power 120V 100 Watts 95 @ Nominal input voltage
Rated Output Power 230V 105 Watts 100 @ Nominal input voltage
Average value - RMS Dynamic
power
98 Watts Reference @ Nominal input voltage
3/20 50 Hz Burst unit driven 6dB above the
sensitivity to drive it into max power,
measured value is the average of the 4 first
consecutive peaks
Dynamic power Highest Peak 121 Watts Reference @ Nominal input voltage
Highest RMS of the first 4 consecutive
peaks
THD@ Rated Power 0.5 % 1 22K filter
THD @ 1 Watt 0.1 % 0.3 22K filter
DC Offset 10 mV-DC 50 @ Speaker Output
Damping factor >150 DF 100
Measured at amplifier board speaker out
terminals, Output power 90 Watts THD <
0.1 %
Input Sensitivity
Input Frequency 50 Hz 50 Nominal Freq.
Line Input (L&R) 14.4 mVrms ±2dB To 1 Watt
Single input driven 1 input driven
LFE Input 9 mVrms ±2dB To 1 Watt LFE input driven only
System Gain-LR input 42.85 dB ±2dB Gain=130
Single input driven L or R
Signal to Noise
SNR-A-Weighted 90 dBA 85 To Rated power A-Weighting filter
SNR-unweighted 85 dBr 80 To Rated power
22KHz filter
SNR @ 1W-unweighted 65 dBr 60 To 1 Watt 22KHz filter
Residual Noise Floor 1
mVrms(max)
1.5
Volume @max, w/ A/P Swept Bandpass
Measurement (Line freq.+ harmonics)
Refer to AP Graph
Input Impedance
Line input L&R , LFE >10 K ohms N/A Nominal over the audio BW Reference only
Filters
Low Pass (fixed or variable) Variable -- ±2dB
Subsonic filter (HPF) Hz ±2dB
Limiter (yes/no) YES -- N/A
Features
LFE Input YES Functional
BW Limited to 500 Hz, refer to ECR00031
Volume pot Taper (lin/log) LOG -- Functional
ATO YES Functional
Input Configuration
Line In (L,R) L ,R -- Functional
RCA inputs: RED-WHT, L , R Summed to
Mono
Line level in LFE LFE Functional Single connector
Signal Sensing (ATO)
Auto-Turn-On (yes/no) YES -- Functional
ATO Input Frequency 50 Hz Functional
ATO Level Line Level in (L,R, LF 1.5 mV Functional
2mV@50Hz into Line Input w/ 1 ch.
driven
ATO Turn-on time < 1 Sec Functional
Amp connected and AC on, then input
signal applied
Auto Mute/ Turn-OFF Time 15 minutes Functional T before muting, after signal is removed
Auto turn of time (T) must be 5 > T <15
Power on Delay time 3 sec. Functional AC Power Applied
2
CS80
(CS480 Subwoofer)