Merkmale
  • 3-inch Diaphragm, 1.4-inch Exit Throat / Pure Titanium Compression Driver
  • 220W continuous program power handling
  • Frequency range: 500Hz - 20kHz
  • 3-slot optimized geometry phase plug
  • Titanium diaphragm
  • Copper inductance ring for extended response
  • Vented, damped, low distortion suspension system
  • Nedymium magnet assembly

The ND840 is a high performance 3-inch diaphragm compression driver with a 1.4 inch exit throat featuring the smallest size of the art technology. The diaphragm are precision completely formed from pure titanium. Voice coil assembly is designed using high temperature kapton former and it is joined to the diaphragm by RCF proprietary Direct Drive kapton technology. Diaphragm suspension is designed by extensive FEM study for low distortion and low frequency range extension.

Part number:

15100004
ND840
16ohm

15129052
ND840
8ohm

Spezifikationen
Allgemeine spezifikationen
Austrittsöffnung Halsdurchmesser: (mm) (Zoll)
1.4 inch / 36 mm
Zugehörige Impedanz (Ohm)
8 ohm
Programm Power (Watt)
220 W
Belastbarkeit
110 W
Empfindlichkeit (dB)
109 dB
Frequenzbereich
500 - 20000 Hz
Aufhängungskonstruktion
Double Roll
Minimale-Impedanz (Ohm)
7.00 ohm
Schwingspulendurchmesser
3.0 inch / 76 mm
Bauform-/Material vom Schwingspulenträger
Direct Drive Kapton
Layeranzahl
1
Art von Schichten
inside/outside
Magnetische Flussdichte (T)
2.0 T
Phase Plug Design
3 slot
Thiele - small parameters
Kraftfaktor (BL-Factor) (T x m)
12.30 T x m
Montagehinweise
Gesamtdurchmesser
115 mm / 4.53 inches
Gesamthöhe
46 mm / 1.81 inches
Befestigung
4 x 6 mm threaded holes at 90°
Größe
Gewicht
1.4 kg / 3.09 lbs
Versandinformationen
Verpackung Höhe
63 mm / 2.48 inches
Verpackung Breite
142 mm / 5.59 inches
Verpackung Tiefe
144 mm / 5.67 inches
Verpackungsgewicht
1.7 kg / 3.75 lbs
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