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FR 87 - 4 Ohm

FR 87 - 4 Ohm

 
 Our Price: AU $12.00 inc. GST each
                   AU $10.91 export price each
 
 Product Code: V-4630-FR87

 This item is listed in the following categories:
3.3 Inch - 8cm, Fullrange, Industrial - Equipment, Buses - Coaches, Caravan - Mobile Home, Railway - Trains, Trucks - Tractors, Visaton Drivers, 3.3 Inch - 8cm
 
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FR 87 - 4 OHM

Art. No. 4630

8.7 cm (3.4") fullrange speaker with balanced frequency response and high efficiency. For speech and music reproduction in electronic divices and vehicles.

Typical applications:
- Control speaker for electronic devices
- Vehicles
- Electronic musical instruments

Attributes:
- Moisturised cone
- Metal basket


Used in / Accessories:
GRILLE FR 87
fr87


fr87_tz
sketch




fr87_4_fs
frequency- and impedance response




temperatur_25_70



Technical Data:
Rated power 10 W
Maximum power 15 W
Nominal impedance Z 4 Ohm
Frequency response 100–20000 Hz
Mean sound pressure level 85 dB (1 W/1 m)
Angle of sound emmision 143°/4000 Hz
Maximum cone displacement +/−2 mm
Resonance frequency fs 137 Hz
Height of front pole-plate 3 mm
Voice coil diameter 15 mm
Height of winding 4,3 mm
Cutout diameter 80 mm
Net weight 0,21 kg
D.C. resistance Rdc 3,5 Ohm
Mechanical Q factor Qms 6,4
Electrical Q factor Qes 1,56
Total Q factor Qts 1,25
Equivalent volume Vas 1,3 l
Effective piston area Sd 37 cm²
Dynamically moved mass Mms 2 g
Force factor Bxl 2,1 Tm
Inductance of the voice coil L 0,2 mH
Heat resistance −25 ... 70 °C


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