SUB-TS 1 - Harman Kardon Audio Service Manual (repair manual). Page 4

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Signal Sensing (ATO)
Auto-Turn-On (yes/no)
yes
functional
ATO Input Frequency
50
Hz
functional
ATO Level
2
mV
functional
2mV@50Hz into Line Input
w/ 1 ch. driven
ATO Bandwidth
5k
Hz
functional
ATO-LPF for noise
immunity
DV1 measured 7mV @
5kHz…. 2mV @ 1kHz
ATO Turn-on time
5
ms
functional
Amp connected and AC on, then input signal applied
Auto Mute/ Turn-OFF Time 20
minutes
functional
T before muting, after
signal is removed
Power on Delay time
3
sec.
functional
AC Power Applied
Transients/Pops
ATO Transient
5
mV-peak
10
@ Speaker Outputs
Turn-on Transient
50
mV-peak
100
@ Speaker Outputs
AC Line cycled from OFF to
ON
Turn-off Transient
50
mV-peak
100
@ Speaker Outputs
AC Line cycled from ON to
OFF
Efficiency
Stand-by Input Power
10
Watts
n/a
@ nom. line voltage
Power Cons.@rated power
160
Watts
n/a
@ nom. line voltage
Protection
Short Circuit Protection
Yes
functional
Direct short at output
Thermal Protection
65 deg.
C
functional
@1/8 max unclipped
Power
DV1:Plate=50deg.C
max.Tab=90deg.C max.T-on
=65deg.C
DC Offset Protection
yes
functional
DC present at Speaker
Out leads
Relay or crowbar (for
driver/fire protection)
Line Fuse Rating
2
Amps
2
Type-T or Slo Blo
External fuse with UL/SEMKO
rated holder
4
Amplifier/Subwoofer
Harman Kardon
SUB-TS1
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