Back to list | Print

Professional speaker 

ARA-389-00/4

The ARA-389-00/4 are professional direct-radiator electrodynamic loudspeaker, featuring by high sensitivity, large power handling capacity. The loudspeaker are designed for loudspeaker systems with high acoustic power, eg. for musical groups (solo and accompanying guitar, singing) for cinemas, theatres, big halls, etc.

ACOUSTICAL DATA
Rated noise power 1) 150  W
Short term maximum power 2) 300  W
Rated impedance Ohm
Resonance frequency Fs 4) 40.0   Hz
Rated frequency range 40 - 5000  Hz
Sensitivity 3) 100  dB
 
TS PARAMETERS
Acquired by MLSSA D-0-10  
Effective piston area Sd 824  cm2
DC resistance of voice coil Re 3.6  Ohm
Mechanical Q factor Qms 6.25 
Electrical Q factor Qes 0.46 
Total Q factor Qts 0.43 
Voice coil inductance Le 0.4 
Equivalent volume Vas 172.7  l
Moving mass (including air load) Mms 65.0  g
Suspension compliance Cms 181  uM/Newton
Force factor Bl 12.2  Tm
Maximum linear displacement Xmax 5) 3.0  mm
 
MECHANICAL DATA
Voice coil carrier material živičný papír 
Voice coil diameter 100  mm
Winding height of voice coil 11  mm
Yoke diameter 99.2  mm
Air gap height mm
Magnet external diameter 220  mm
Magnet internal diameter 110  mm
Magnet height 19  mm
Compensating magnet external diameter mm
Compensating magnet internal diameter mm
Compensating magnet height mm
Weight 9.5  kg
 
TEST CONDITIONS
Sweep voltage 7.7  V
Frequency range 30 - 5000  Hz
 
1) CSN IEC 268-5, bassreflex box 70 dm3, 100 hours
2) CSN IEC 268-5, bassreflex box 70 dm3, 2 min
3) Maxima and minima located on the edge of the tolerance field narrower than 1/3 of octave are tolerated
4) ±15 Hz
5) Peak - peak 
Frequency response
Impedance Magnitude - Ohms
Drawing
 
Counter: 43556