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Accuton C158-8-085 Midrange 8 Ohm 1 piece
Accuton C158-8-085 Midrange 8 Ohm 1 piece
Accuton C158-8-085 Midrange 8 Ohm 1 piece
Accuton C158-8-085 Midrange 8 Ohm 1 piece
Accuton C158-8-085 Midrange 8 Ohm 1 piece
Accuton C158-8-085 Midrange 8 Ohm 1 piece

Accuton C158-8-085 Midrange 8 Ohm 1 piece

Accuton C158-8-085 Midrange 8 Ohm 1 piece

The Accuton C158-8-085 is a 6.25" bass-midrange driver for small bookshelf monitors or slim floorstanding speakers. It features a small and lightweight voice coil with 25mm titanium voice coil former, which provides high resolution in the midrange. The long excursion design ensures the best SPL capabilities.

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Accuton C158-8-085 Midrange 8 Ohm 1 piece

The Accuton C158-8-085 is a 6.25" bass-midrange driver for small bookshelf monitors or slim floorstanding speakers. It features a small and lightweight voice coil with 25mm titanium voice coil former, which provides high resolution in the midrange. The long excursion design ensures the best SPL capabilities.

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Short Description:

15 cm bass-midrange driver with ceramic cone. It has a rear-vented voice coil.

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Mechanical data:

Overall diameter / front panel 158 mm

cut-out 137 mm

minimum front panel thickness 6 mm

overall height 82 mm

Magnet height 34 mm

Magnet diameter 85 mm

Screw holes For screws According to Din 7984 / Ø 4.50 mm

Weight (pair) 3.4 Kg

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Thiele-Small Parameter:

Sensitivity Spl 87.5 dB

Resistance(DC) Re 8.1 Ohm

Free air resonance frequency Fs 37 Hz

Equivalent volume Vas 27.3 Ltr

Mechanical quality Qms 4.91

Electrical Q factor Qes 0.39

Overall quality Qts 0.36

Effective diaphragm area Sd 113 cm2

Moving mass Mms 12.1 G

Membrane stress compliance Cms 1.5 mm/N

Mechanical resistance

Rms 0.58 Kg*S

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Voice coil parameters:

Power handling P 100 Watt

Impedance 8 Ohm

Linear excursion Xmax +/-5 mm

Voice coil diameter 25 mm

Voice coil carrier material Ti

Conductor material Cu

Voice coil inductance Le 0.54 mH

Force factor Bl 7.7 N/A

Drive type Overhanging

Ferrofluid In air gap No

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Enclosure Recommendation Closed:

Vb: 8.5L, -11dB @ 40Hz, F-3dB: 70Hz, Q: 0.71 (typical).

Vb: 22L, -8.5dB @ 40Hz, F-3dB: 70Hz, Q: 0.50 (extended bass)

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Enclosure Recommendation Bass Reflex:

Vb: 15L, port diameter: 50mm, length: 190mm, Fres: 41Hz, F-3dB: 45Hz, Q: 0.58 (typical).

Vb: 22L, terminal diameter: 50mm, length: 130mm, Fres: 40Hz, F-3dB: 40Hz, Q: 0.50 (extended bass)

Vb: 12L, terminal diameter: 50mm, length: 200mm, Fres: 45Hz, F-3dB: 49Hz, Q: 0.61 (0.7dB ripple @ 100Hz)

C158-8-085
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Since 1994 the Thiel & Partner GmbH is developing, designing, producing and distributing under the registred trademark accuton® high quality loudspeaker made of stiff membrane materials like ceramics, diamond and aluminium sandwich.
It is our declared aim to be the provider of the constractional and phonetical best dynamic speaker drivers on the market. We also provide our customers an extensive support and collaboration in areas like case construction, design of the crossover and implemantation of electronic components.

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