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Peerless NE 85 W 04 (Vifa 8 NE 125/4 Neodym/Aluminium)

www.tymphany.com/transducers/
manufacturer information
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RRP 54,00 €

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Peerless NE 85 W 04 (Vifa 8 NE 125/4 Neodym/Aluminium)
NE 85 W 04

This 2.5 inch 4 ohm member of the NE family has leading-edge transducer technology packaged in a cutting edge, stylistic design. The full-range drivers in this family feature an innovative cast aluminium basket design which minimizes acoustic reflections inside the driver, through large basket windows and sculpted basket spokes. The basket also is designed to act as a highly coupled heat sink to the Neodymium-Iron-Boron magnet (NdFeB) motor, so as to improve power handling capacity. The cone is aluminium, with a butyl rubber surround designed through finite element analysis for linearity of performance. The voice coil bobbin is titanium, for improved performance. The FEA-designed motor features copper caps to minimize inductance and extend performance to high frequencies.

Short data

Usage as Fullrange
Power Handling 25 Watt
Impedance 4 Ohm
 
Frequency from 150 Hz
Max. Frequency 20 kHz
Sound pressure 81.9 dB

Chassis-data

Overall dimensions 85 mm
Baffle cutout 57.2 mm
Depth (Total) 51.3 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Butyl rubber
Membrane Material Aluminium
 
Voice coil Ø 25 mm
Voice coil height 5.5 mm
Voice coil material Titanium
Air gap height 4 mm
Magnet Ø 68 mm

Thiele-Small-Parameter

Resonance fs fs: 104.94 Hz
Mechanical Q Qms: 8.45
Electrical Q Qes: 0.69
Total Q Qts: 0.64
Equivalent Air-Volumen Vas: 0.73 Liter
DC-Resistance Re: 3.7 Ohm
Coil Inductance Le: 0.04 mH
 
Mech. Compliance Cms: 1.0662 mm/N
Moving Mass Mms: 2.2 g
Max. Excursion +/- Xmax: 1.8 mm
BL Product Bl: 2.75 N/A
Membrane Area Sd: 22.3 cm²
Sound pressure dB: 81.9 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

Productinfo (EN)

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