Accuton C158-8-085

Description

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

Brief description:

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

Mechanical data

• Total diameter / front panel 158 mm
  
• Hole 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

Thiele-Small parameters

• Sensitivity Spl 87.5 dB
  
• Resistance(direct current) Re 8.1 Ohm
  
• Outdoor resonance frequency Fs 37 Hz
  
• Equivalent volume Vas 27.3 Ltr
  
• Mechanical quality Qms 4.91
  
• Electrical quality Qes 0.39
  
• Overall quality Qts 0.36
  
• Effective diaphragm area Sd 113 cm2
  
• Moving mass Mms 12.1 G
  
• Compliance of the membrane tension Cms 1.5 mm/N
  
• Mechanical resistance Rms 0.58 Kg*S

Voice coil parameters

• Load capacity P 100 watts
  
• Impedance 8 Ohm
  
• Linear deflection Xmax +/-5 mm
  
• Voice coil diameter 25 mm
  
• Voice coil former material Ti
  
• Conductor material Cu
  
• Inductance of the voice coil Le 0.54 mH
  
• Force factor Bl 7.7 N/A
  
• Drive variant Overhanging
  
• Ferrofluid In air gap No

Housing 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)

Enclosure recommendation bass reflex

• Vb: 15L, connection diameter: 50mm, length: 190mm, Fres: 41Hz, F-3dB: 45Hz, Q: 0.58 (typical)
  
• Vb: 22L, connection diameter: 50mm, length: 130mm, Fres: 40Hz, F-3dB: 40Hz, Q: 0.50 (extended bass)
  
• Vb: 12L, connection diameter: 50mm, length: 200mm, Fres: 45Hz, F-3dB: 49Hz, Q: 0.61 (0.7dB ripple @ 100Hz)

Frequency response

Note

Not suitable for use in vehicles.

• This speaker chassis was specially developed for use in home and studio applications . For applications in the automotive sector, we recommend using the special automotive series from Accuton, which is available from Masori on request.
• The automotive version (Accuton Carhifi version) of Accuton meets the strict automotive standards and is specially designed for use in passenger cars and various other vehicles. It is resistant to vibrations, weather influences, heat and cold that can occur in an automotive environment. This ensures optimum audio quality and reliability.
• Contact us at Masori for more information on the Carhifi Automotive version of Accuton. We are happy to help you to find the right solution for your automotive requirements and to enable an optimal sound experience in your vehicle.