Harman Kardon HKTS 5, Service Manual

SUB-TS5/TS6 Amplifier

100w Powered Subwoofer Amplifier

LINE VOLTAGE

Yes/No

Hi/Lo Line

Unit

Notes

US 120vac/60Hz

Yes

108-132

Vrms

Normal Operation

Parameter

Specification

Unit

QA Test Limits

Conditions

Notes

Amp Section

Type (Class AB, D, other)

AB   AB

n/a

External Sink required for Class AB

Load Impedance (speaker)

4 Ohms

n/a

Nominal

Z-curve required

Rated Output Power

100 Watts

95

1 input driven

THD@ Rated Power

0.08 %

0.3

22k filter

THD @ 1 Watt

0.1 %

0.5

22k filter

DC Offset

10 mV-DC

20

@ Speaker Outputs

Damping factor

>100 DF

50

Measured at speaker terminals, Output 
power 90 Watts THD 0.1 %

Input Sensitivity

Input Frequency

50 Hz

50

Nominal Freq.

1 input driven

SUB Input

135 mVrms

±2dB

To Rated Power

SUB input driven only

Signal to Noise

SNR-A-Weighted

100 dBA

90

rel. to rated power

A-Weighting filter

SNR-unweighted

80 dBr

75

rel. to rated power

22k filter

SNR @ 1W-unweighted

60 dBr

55

rel. to 1W Output

22k filter

Residual Noise Floor

1.5 mVrms

2.5

Volume @max, using RMS reading 
DMM/VOM (or A/P)

Residual Noise Floor

1

mVrms(max)

2

Volume @max, w/ A/P Swept Bandpass 
Measurement (Line freq.+ harmonics)

Input Impedance

SUB Line input 

>15 K ohms

n/a

Nominal

Filters

Low Pass (fixed or variable)

fixed

--

±2dB

Slope & Q

dB/Octave

n/a

Subsonic filter (HPF)

Hz

±2dB

Slope & Q

dB/Octave

n/a

Limiter

 (yes/no)

YES

--

n/a

Features

LFE Input

YES

functional 

BW Limited to 500 Hz

Phase Switch (yes/no)

NO

--

functional 

Volume pot Taper (lin/log)

log

--

functional 

ATO

YES

functional 

Input Configuration

SUB Line level 

LFE

functional

Single RCA Input

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 Turn-on time

5 ms

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  10 > T <15

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

13 Watts

15

@ nom. line voltage

Maximum allowable  input power under 
nominal  Input voltage and frequency, HOT 
or COLD operation.

Power Cons.@rated power

185 Watts

195

@ nom. line voltage

100 Watts @ 4 Ohms nominal line voltage

Protection

Short Circuit Protection 

YES

--

functional

Direct short at output

Thermal Protection 

65 deg. C

--

functional

@1/8 max unclipped Power 

Temperature rise should not exceed 35K 
rise

DC Offset Protection

YES

--

functional

DC present at Speaker Out leads

Relay or crowbar (for driver/fire protection)

Line Fuse Rating

2.5 Amps

2.5

Type-T or Slo Blo

External fuse with UL/SEMKO rated holder

 HKTS5/HKTS6

harman/kardon