6.5" Coaxial Neodymium Loudspeaker, 1.75" LF + 1.5" HF voice coil, 150 W + 30 W , 92 dB +104 dB
 Oberton Coaxial 6ncx

 

KEY FEATURES:

  • 92 db SPL 1W / 1m ( LF ) average sensitivity
  • 44 mm ( 1.75”) high temperature voice coil ( LF )
  • 300 W AES program power ( LF )
  • Double aluminium demodulating rings
  • Single neodymium magnet assembly
  • Water protected cone
  • 1” exit HF neodymium compression driver
  • 38 mm (1.5”) HF high temperature voice coil
  • 80 degrees nominal dispersion
  • Very light weight

 

Application: Compact fullrange boxes.

Description: The 6NCX is a 6.5" / 1" coaxial transducer designed for use in compact reflex enclosures with a nominal dispersion of 80 degrees. The low profile, smooth curvilinear LF cone provides smooth response within its intended frequency range and water prove protective coating, allowing application in a wide range of environments. The state-of-the-art 44 mm (1.75 in) LF voice coil has Kapton former, which together with high temperature resistant resin ensure high reliability by high power. A double aluminium demodulating rings reduce distortion and inductance and improve transient response. The neodymium 1" exit compression driver adopted is our ND2539 model. The HF driver diaphragm assembly, using triple layer polyester dome this together with phasing plug improve linearity of frequency response in high end. Because of design with single magnet assembly the speaker has very light weight and compact size.

SPECIFICATIONS

Nominal diameter
Impedance
Minimum impedance LF
Frequency range
Dispersion angle

LF unit
Sensitivity (200-2000 Hz)
Power Capacity AES ¹
Program Power ²
Voice Coil Diameter
Voice Coil Material
Voice Coil Former
V. C. Winding Depth
Magnet Gap Depth
Cone Material
Basket
Magnet
Flux Density

HF unit
Minimum impedance HF
DC resistance
Sensitivity (1-15 kHz)
Power capacity (1-20 kHz)
Program power
Voice coil diameter
Winding material
Diaphragm material
Flux density

170 mm (6.5 in)
LF 8 Ohm /HF 16 Ohm
5.93 Ohm
80 - 18000 Hz
80 deg


92 dB
150 W
300 W
44 mm (1.75 in)
Copper
Kapton
15 mm
7 mm.
Paper with glassfiber
Die Cast Aluminium
Neodymium
0.97 T


10.13 Ohms
9.1 Ohms
104 dB

30 W
60 W
38 mm (1.5 in)

Aluminium
Sandwich polyester
1.84 T

THIELE-SMALL PARAMETERS

Fs
Qms
Qes
Qts
Vas
Mms
Re
Sd
Xmax*
Cms
BL 
Le at 1kHz 

91.5 Hz
4.94
0.476
0.435
4.35 L
16.6 g
5.27 ohms
131 cm2
+ / - 5.75 mm
0.18 mm/N
10.27 T.m
0.52 mH

 

1. AES standard. Power is calculated on rated minimum impedance. Measurement is in 18 L box enclosure tuned 82 Hz using a 60-2000 Hz band limited pink noise test signal applied continuously for 2 hours.
2. Program power is defined as 3db greater than AES Power Capacity.
* Linear Mathematical Xmax is calculated as: (Hvc - Hg)/2 + Hg/4 where Hvc is the voice coil depth and Hg is the gap depth.

 

 

MOUNTING INFORMATION

Overall diameter
Depth
Baffle hole diameter
Bolt circle diameter
Mounting holes
Net weight

185 mm (7.28 in)
98.2 mm
145 mm
171 mm
4 eliptic 5.5 mm/6.5 mm
1.35 kg

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