Haut-parleur large bande Visaton FR 7 4OHM
[FR 7-4] Avis/Critiques 6.5 cm (2.5") full-range speaker with minimal mounting depth and small magnet. Balanced frequency response and high efficiency. Very good high range response. Suitable in machines and other equipment where space is at a premium.
Typical applications:
Narrow network column speakers
Control speakers for electronic devices
Model construction
Electronic musical instruments
Attributes :
Moisturised cone
Metal basket
Technical Data :
Rated power 5 W
Maximum power 10 W
Nominal impedance Z 4 Ohm
Frequency response 130–20000 Hz
Mean sound pressure level 86 dB (1 W/1 m)
Resonance frequency fs 220 Hz
Voice coil diameter 14 mm
Cutout diameter 61 mm
Net weight 0,092 kg
D.C. resistance Rdc 3,4 Ohm
Mechanical Q factor Qms 7,05
Electrical Q factor Qes 3,61
Total Q factor Qts 2,39
Equivalent volume Vas 0,4 l
Effective piston area Sd 22 cm²
Dynamically moved mass Mms 1,0 g
Force factor Bxl 1,1 T m
Inductance of the voice coil L 0,1 mH
Heat resistance −25 ... 70 °C
|
