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Crédit photo: .Kartesian company

Cmp50_vPA-S is a compression driver dedicated to high quality monitoring systems (typically high efficiency, 2 ways).

The motor structure uses a 134mm diameter Ferrite magnet (grade Y40), optimized pole pieces design made of low carbon steel, and it is demodulated by Aluminum ring.

The diaphragm is made of treated Titanium and very light Aluminum voice coil wired on Polyimide former.
It has been engineered to provide dynamic and accurate sounding with very low THD from 1kHz to 20kHz.

T&S parameters

Fs : 600Hz

SPL : 106.5dB /2,8V /1m

Re : 6.3Ω

Qms : -

Qts : -

Bl : 14.2N/A

VAS : -

Mms : 0.46g

Sd : 19.6cm²

Frequency responses

On IEC baffle

Pink noise

Distance: 1m

Signal input: 2,83V

Smoothing: 1/24 Octave

Grey curve: Raw response / Yellow curve : With 3,3μF capacitor (1st order HPF)

Measured with exponential horn (mouth Ø365mm, length 258mm)

Impedance measured  in free air

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Cmp50_vPA-S_Official drawing_edited.jpg

Mechanical drawing

Unit: [mm]

Crédit photo: .Kartesian company

Advanced design

Titanium diaphragm

Suspension integrated on the diaphragm

Polyimide former

Ø51mm, Aluminum wire

Polyimide former

High grade Fe magnet (Ø134mm)
Demodulated by Aluminum ring
Optimized pole pieces

Injected aluminium back chamber

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Konstant BI(X).png

Advanced measurements

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Measured with exponential horn (mouth Ø365mm, length 258mm)


Serial capacitor 2.2µF, 2.8V/1M

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