. Compression drivers


Crédit photo: .Kartesian company

High quality 1inch compression driver with treated Aluminum dome and low compression rate on the phase plug.

It works with front dome radiation and back cover is designed to cool the voice coil through the motor structure.

It reproduces 3000Hz to 25000Hz with extreme linearity (+/-1.5dB), and 102dB sensitivity.


T&S parameters

Fs : 1850Hz

SPL : 102dB /2,8V /1m

Re : 3.6Ω

Qms : -

Qts : -

Bl : 3.18N/A

VAS : -

Mms : 0.21g

Sd : 4.92cm²

Frequency responses

On IEC baffle

Distance: 1m

Signal input: 2,83V


Dash curves: 20° & 40°


Smoothing: 1/24 Octave

High pass filter at 1000Hz (48dB/Oct)

Impedance measured with dedicated round horn

Mechanical drawing

Unit: [mm]

Version with output screw:



Standard version:


Cmp25_vHP-H _Drawing.PNG

Version with square horn: Cmp25_vHP-H

Advanced design

Crédit photo: .Kartesian company

Treated aluminum dome

Suspension integrated on the dome

KSV former

1inch CCAW voice coil

Aluminum back chamber with cooling

Dome front radiation

Low compression rate

Optimized pole pieces

High grade NdFeB magnet (N48H)

14600 Gauss on 2.2mm height

Available with horn or 33mm screw output

Injected aluminium back plate

Exponential round horn

Horn made in PA12 material


Measured with round horn 103mm diameter

Application example

Crédit photo: .Kartesian company

Innovative and compact line array system, using two 4" mid-woofers and a 1" compression driver.

It can also be used as satellite speaker in cinema.

It provides clear and detailed sounding from 100Hz to 22000Hz (-3dB).

94dB/2.8V/1m sensitivity,

200W power handling.


Loudspeakers used:

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