Harman Kardon SUB-TS18, Руководство по обслуживанию

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HKTS 18 Sub 200W Powered Sub/ Plate Amp
LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit Notes
US 120vac/60Hz Yes 108-132 120 Vrms Normal Operation
Parameter
Nonimal
Specification Unit
QA Test
Limits Conditions Notes
Amp Section
Type (Class AB, D, other) D n/a n/a
Bridge type amplifier, None of the
speaker terminals must be
connected to system GND at any
time.
Load Impedance (speaker) 3.5 Ohms n/a Nominal
Rated Output Power 200 Watts 150 50 - 250 Hz, 1 input driven, limiter off
THD @ Rated Power 0.08 % 0.1 22k filter
THD @ 1 Watt 0.15 % 0.5 22k filter
DC Offset 5 mV-DC 20 @ Speaker Outputs
Damping factor 16 n/a
10
Measured at amplifier board
Measured at the speaker at speake
output terminals on the amp board.
Input Sensitivity
Input Frequency 50 Hz
n/a
Nominal Freq.
Line (L&R) Input 220 mVrms
154 - 308 To Rated Power Single input driven
SUB (LFE) Input 125 mVrms
87 - 175
To Rated Power
SUB (LFE) input driven only
Speaker/Hi Level Input 3.4 Vrms 2.4 - 4.8 To Rated Power
(20 dB below Line In), Single input
driven
Hi Level Max. Input Voltage 32 Vrms 30 Nominal Freq., Min. Volume
Signal to Noise Ratio
SNR-A-Weighted 85 dB 82 relative to rated power A-Weighting filter
SNR-unweighted 62 dB 59 relative to rated power 22k filter
SNR rel. 1W-unweighted 64 dB 59 relative to 1W Output 22k filter
Residual Noise Floor 1.2 mVrms 3.0
Volume @max, using RMS
reading DMM/VOM (or A/P)
Residual Noise Floor 0.8 mVrms 2.0
Volume @max, w/ A/P Swept
Bandpass Measurement (Line
freq.+ harmonics)
Input Impedance
Line Input (L, R,LFE) 10K ohms n/a Nominal
Speaker/Hi Level Input 4.7K ohms
n/a
Nominal
Filters
L&R Fixed Low-Pass Filter 160 Hz
140 - 180 @ -6dB ref. 100Hz 3rd order fixed
SUB (LFE) Low pass Filter 270 Hz
240 - 300 @ -3dB ref. 100Hz 2nd order fixed
Subsonic filter (HPF) 3rd Order 25 Hz
22 - 28
@ -3dB ref. 30Hz
3rd order fixed
Limiter
THD at Max. Output Power
2.0 % 5.0
Features
Auto - On -Off Selection Switch YES functional Refer to ATO section
Phase Switch 0-180 deg functional
Filter On/Off Switch YES functional
Volume Pot Taper (Lin/Log) LOG functional A Taper
Speaker Out YES functional Binding post connector L&R
2-Color LED power indicator YES functional Blue: On, Amber: Stand-by
Power Switch YES functional
Fuse Holder YES functional
Input Configuration
Line In (L,R)
YES
functional Dual RCA jack
SUB (LFE)
YES
functional RCA jack
Speaker/Hi Level In YES functional Binding post connector L&R
Signal Sensing (ATO)
Auto-Turn-On (yes/no) YES
functional Auto - on selection switch in Auto
ATO Input test frequency 50 Hz
n/a
"
ATO Level Line & SUB Input 4.0 mV
2.0 - 6.0
"
ATO Level Speaker in 35 mV
20 - 50
"
ATO Turn-on time 0.9 sec.
functional
Amp connected and AC on, then
input signal applied
2
SUB-TS18
harman/kardon