Harmotech H series

HARMOTECH H7.3 ( TWEETER )

 

Component	Tweeter
Size	38 mm
Nominal impedance [Zn]	4 Ω
Minimum impedance [Zmin]	3.6 Ω
Maximum impedance [Zo]	21.2 Ω
DC resistance [Re]	3 Ω
Voice coil inductance [Le]	0.03 mH
100h RMS noise test (IEC 17.1)*	90 W
Long-term max power (IEC 17.3)*	150W
Voice coil diameter	26 mm
Voice coil height	2.1 mm
Voice coil layers	2
T/S parameters single V/C	Fs  500  Hz   Re  3  Ohm   Qms  3.79   Vas  0.02  liter   Mms 0.35  g   Qes  0.62   Qts  0.54     Cms  0.29  mm/N   Bl 2.3 Tm

*Filter: 2. order HP Butterworth, 2.5 kHz

 

 

HARMOTECH H7.3 ( MIDRANGE )

 

Component	Midrange
Size	111.6 mm
Nominal impedance [Zn]	4 Ω
Minimum impedance [Zmin]	4.3 Ω
Maximum impedance [Zo]	46.5 Ω
DC resistance [Re]	3.1 Ω
Voice coil inductance [Le]	0.11 mH
100h RMS noise test (IEC 17.1)*	80 W
Long-term max power (IEC 17.3)*	150W
Voice coil diameter	32 mm
Voice coil height	6 mm
Voice coil layers	4
T/S parameters single V/C	Fs  64  Hz   Re  3.1  Ohm   Qms  3.64   Vas  5.4  liter   Mms 5.4  g   Qes  0.26   Qts  0.24     Cms  1.15  mm/N   Bl 5.1 Tm

*Filter: 2. order HP Butterworth, 200 Hz

 

 

HARMOTECH H7.3 ( MIDBASS )

 

Component	Midbass
Size	184 mm
Nominal impedance [Zn]	4 Ω
Minimum impedance [Zmin]	4.5 Ω
Maximum impedance [Zo]	38.8 Ω
DC resistance [Re]	3.2 Ω
Voice coil inductance [Le]	0.5 mH
100h RMS noise test (IEC 17.1)	80 W
Long-term max power (IEC 17.3)	150W
Voice coil diameter	42 mm
Voice coil height	18 mm
Voice coil layers	4
T/S parameters single V/C	Fs  30  Hz   Re  3.2  Ohm   Qms  3.56   Vas  49.4  liter   Mms 18.9  g   Qes  0.32   Qts  0.29     Cms 1.49  mm/N   Bl 6.0 Tm

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