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FR 7 - 4 Ohm

Art. No. 2015

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
  • Monitoring speaker for electronic devices
  • Model construction
  • Electronic musical instruments
Attributes
  • Moisture-resistant membrane
  • metal design

WEEE-reg. no.: DE 79837685

Industrial prices are available on request.
Technical Data
Sketch
Amplitude & Impedance Frequency
Directivity pattern
Nennbelastbarkeit 5 W
Nennimpedanz Z 4 Ohm
Übertragungsbereich (-10 dB) 130–20000 Hz
Mittlerer Schalldruckpegel 86 dB (1 W/1 m)
Abstrahlwinkel (−6 dB) 180°/4000 Hz
Grenzauslenkung +/−1 mm
Resonanzfrequenz fs 220 Hz
Obere Polplattenhöhe 2.5 mm
Schwingspulendurchmesser 14 mm
Wickelhöhe 2.5 mm
Schallwandöffnung 61 mm
Gewicht netto 0.092 kg
Gleichstromwiderstand Rdc 3.4 Ohm
Mechanischer Q-Faktor Qms 7.05
Elektrischer Q-Faktor Qes 3.61
Gesamt-Q-Faktor Qts 2.39
Äquivalentes Luftnachgiebigkeitsvolumen Vas 0.4 l
Effektive Membranfläche Sd 22 cm²
Dynamische bewegte Masse Mms 1.0 g
Antriebsfaktor Bxl 1.1 Tm
Schwingspuleninduktivität L 0.1 mH
Anschlüsse 2.8 x 0.5 mm (+)/2.8 x 0.5 mm (-)
Temperaturbereich –25 ... 70 °C

Used in / Accessories:

GRILLE FRS 7

Protective grille made of black painted metal. Decoration ring made of black plastics. Can be supplied painted in other colours on request.   Attributes: - Plastics: ABS

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