HKTS1 SPECIFICATIONS
LINE VOLTAGE Yes/No
Hi/Lo Line Unit Notes
US 120vac/60Hz Yes 108-132 Vrms Normal Operation
EU 230vac/50-60Hz Yes 207-264 Vrms Normal operation, MOMS
required
Asia 100vac/50Hz Yes 90-110 Vrms Normal Operation
Spec. Unit Limits Conditions Notes
Amp Section
Type (Class AB, D, other) AB AB n/a Sink required for Class AB
Load Impedance (speaker) 4 Ohms n/a Nominal Z-curve required
Rated Output Power 80 Watts 80 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 <200 DF n/a
Input Sensitivity
Input Frequency 50 Hz 50 Nominal Freq. 1 input driven
Line Input 220 mVrms ±2dB To Rated Power 1 input driven
Speaker/Hi Level Input 4.26 Vrms ±2dB To Rated Power (-26dB below Line In)...1
input driven
Signal to Noise
SNR-A-Weighted 100 dBA 90 rel. to rated power A-Weighting filter
SNR-unweighted 80 dBr 60 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
Line Input 15K ohms n/a Nominal
Speaker/Hi Level Input 4.7K ohms n/a Nominal
Filters
Low Pass (fixed or
variable)
fixed — —
Low Pass filter (point or
range)
135 Hz ±2dB -3dB Point
Slope 24 dB/Octave n/a
Q 1.8 Damping n/a 2 cascaded 2nd order
filters of 1.8 &0.7 Q
Subsonic filter (HPF) 31 Hz ±2dB -3dB Point
Slope 12 dB/Octave n/a
Q 1.4 Damping n/a
3
Amplifier/Subwoofer Harman Kardon
SUB-TS1