JBL SUB333 Service Manual page 3

Dolby Pro-Logic Surround Processor/Amplifier/Subwoofer
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Parameter
THD @ 1 Watt
Max. Output Power
DC Offset
Damping factor
Input Sensitivity
Input Frequency
Line Input: Video/AUX
Signal to Noise
SNR-A-Weighted
SNR-unweighted
SNR rel. 1W-unweighted
Residual Noise Floor
Input Impedance
Line Input: Video/AUX
Optical
Coax
Filters/EQ
HPF, LPF
Signal Sens. (ATO)
Auto-Turn-On (yes/no)
ATO Input Frequency
ATO Level
ATO Bandwidth
ATO Turn-on time
Auto Mute/ Turn-OFF
Power on Delay time
Transients/Pops
Signal-Present Transient
Turn-on Transient
Efficiency
Stand-by Input Power
Max Power Consumption
Efficiency
Protection
Short Circuit Protection
Thermal Protection
DC Offset Protection
Line Fuse Rating
Spec. Unit Conditions
0.1 % 22k filter
80 Watts 2 ch. Stereo Mode @ 50Hz
2 mV-DC @ Speaker Outputs
>200 DF —
50 Hz Nominal Freq.
265 mVrms To Rated Power/ Vol @ Max
100 dBA relative to 60w power/ 1k ohm term.
75 dBr relative to 60w power/ 1k ohm term.
65 dBr relative to 1W Output/ 1k ohm term.
1 mVrms Volume @max, using RMS reading
DMM/VOM (or A/P)
20k ohms Nominal
Fixed dBr 0dBr = 1w @ 50Hz
yes
1k Hz
2 mV 2mV@50Hz into Line Input w/ 1 ch. driven
5k Hz ATO-LPF for noise immunity
5 ms Amp connected and AC on, then input
signal applied
20 min. T before muting, after signal is removed
3 sec. AC Power Applied
5 mV-peak @ Speaker Outputs
50 mV-peak @ Speaker Outputs
15 Watts @ nom. line voltage
425 Watts @ nom. line voltage
50 % Nominal... At rated output
yes Direct short at output
yes @1/8 max unclipped Power
yes DC present at Speaker Out leads
5 Amps Type-T or Slo Blo
SUB333
Notes
@1%THD
1 input driven
1 input driven
A-Weighting filter
22k filter
22k filter
0dBr = 1w @ 50Hz
AC cycled from
OFF to ON or ON to OFF
@ rated power
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