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Professional speaker
ARA-312-00/4
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The ARA-312-00 is a direct-radiating
electrodynamic mid-bass loudspeaker. It is
best suited in professional systems as
upper-bass unit and as guitar and keyboard
speaker
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ACOUSTICAL DATA |
Rated noise power
1)
|
150
|
W |
Short term maximum power
2)
|
350 |
W |
Rated impedance |
4 |
Ohm |
Resonance frequency Fs
4)
|
50.0 |
Hz |
Rated frequency range |
80 - 5000
|
Hz |
Sensitivity
3)
|
95 |
dB |
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TS PARAMETERS |
Acquired by MLSSA D-0-10 |
|
|
Effective piston area Sd |
503
|
cm2 |
DC resistance of voice coil Re |
3.4 |
Ohm |
Mechanical Q factor Qms |
3.06 |
|
Electrical Q factor Qes |
0.51 |
|
Total Q factor Qts |
0.44 |
|
Voice coil inductance Le |
1.1 |
|
Equivalent volume Vas |
124.9 |
l |
Moving mass (including air load) Mms |
34.2 |
g |
Suspension compliance Cms |
352 |
uM/Newton |
Force factor Bl |
8.1 |
Tm |
Maximum linear displacement Xmax
5)
|
1.0
|
mm |
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MECHANICAL DATA |
Voice coil carrier material |
aluminium
|
|
Voice coil diameter |
51.7 |
mm |
Winding height of voice coil |
10 |
mm |
Yoke diameter |
50.8 |
mm |
Air gap height |
8 |
mm |
Magnet external diameter |
140 |
mm |
Magnet internal diameter |
63 |
mm |
Magnet height |
17 |
mm |
Compensating magnet external diameter |
- |
mm |
Compensating magnet internal diameter |
- |
mm |
Compensating magnet height |
- |
mm |
Weight |
4.5 |
kg |
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TEST CONDITIONS |
Sweep voltage |
7.7 |
V |
Frequency range |
40 - 5000
|
Hz |
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1) ČSN IEC 268-5, closed box 50 dm3.
2) ČSN IEC 268-5, closed box 50 dm3.
3) ČSN IEC 268-5, standard baffle, 1 W, 1 m,
200 - 5 000 Hz
4) ±15 Hz
5) Peak - peak
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Frequency response
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Impedance Magnitude - Ohms
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Drawing
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