Wib100_vPA-S

Crédit photo: .Kartesian company

Wib100_vPA-S is a professional 4 inch wideband engineered for compact and powerful systems.
 

It is built with 38.5mm diameter voice coil to ensure reliability during long period and high input power.
The advanced motor structure uses 2x NdFeB magnets (grade N40H), a cooper ring and optimized pole pieces to keep very low THD.

 

The membrane is built with specific long fibers pressed paper and Aluminum dust cap.
We suggest to use LRC notch filter (as described here after) to get more linear response in high frequency.

T&S parameters

Fs : 94Hz

SPL : 89.5dB /2,8V /1m

Re : 5.6Ω

Qms : 3.45%

Qts : 0,274%

Bl : 9N/A

VAS : 1.41L

Mms : 7.3g

Sd : 50.3cm²

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Frequency responses

On IEC baffle

Pink noise

Distance: 1m

Signal input: 2,83V

Curve below 150Hz is simulated in 1.2L vented enclosure, Fc = 90Hz

Dash curves: 30° & 60°

Smoothing: 1/24 Octave

Impedance measured in free air

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Mechanical drawing

Unit: [mm]

Advanced design

Long fiber paper cone

"M" damped fabric surround

Conical aluminum dust cap

Ø38.5mm, CCA Wire

Glass fiber former

Dual NdFeB magnets (N40H graded)

Demodulated by cooper ring

Stamped steel frame with vented spider

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Advanced measurements

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Note: We improve continually our products. No contractual data.