Caractéristiques
  • 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

Caractéristiques
Sspecifications generales
Diamètre de la gorge de sortie
1.4 inch / 36 mm
Impédance relative (Ohm)
8 ohm
Tension du programme (Watt)
220 W
Capacité de tension
110 W
Sensibilité (dB)
109 dB
Gamme en fréquences
500 - 20000 Hz
Conception des suspensions
Double Roll
Impédance minimale (Ohm)
7.00 ohm
Diamètre de la bobine mobile
3.0 inch / 76 mm
Ancienne conception de la bobine mobile
Direct Drive Kapton
Nombre de couches
1
Type de couches
inside/outside
Densité du flux (T)
2.0 T
Conception de la prise de phase
3 slot
Parametres T-S
Facteur BL (BL) (T x m)
12.30 T x m
Informations montage
Diamètre total
115 mm / 4.53 inches
Hauteur totale
46 mm / 1.81 inches
Fixation
4 x 6 mm threaded holes at 90°
Taille
Poids
1.4 kg / 3.09 lbs
Infos colisage
Hauteur du colis
63 mm / 2.48 inches
Largeur du colis
142 mm / 5.59 inches
Profondeur du colis
144 mm / 5.67 inches
Poids du colis
1.7 kg / 3.75 lbs
Téléchargements
FICHES TECHNIQUES
PDF
835 Ko
15-07-2024
PDF
63 Ko
11-07-2024
DESSINS
DXF
1,3 Mo
22-01-2024
PDF
306 Ko
22-01-2024
DXF
15,6 Mo
22-01-2024
ZIP
1,4 Mo
22-01-2024