Thursday, 9. September 2010

4-202/C8/25 Hex

4-202/C8/25 Hex


A classic midrange speaker which fits with a treelayer hexacone-sandwich-membrane that is well known for its brilliant acoustical properties. This midrange speaker is the basic component for any loudspeaker box which puts its focus to a genuine rendition. The driver unit which fits with a kapton voice coil former is the guarantor for a warm and full rendition with excellent detailed resolution.

Technical DataSymbol4-202/C8/25 Hex
Nominal impedanceZn8 Ω
DC resistanceRe6.0 Ω
Resonance frequency 1 Wfr77 Hz
Resonance frequency TSPfr95 Hz
Suspension complianceCMS0.487 mm/N
Mechanical Q factorQMS5.2
Electrical Q factorQES0.52
Total Q factorQTS0.47
Equivalent air volume of suspensionVAS2.0dm3
Mech. resistanceRMS0.67 kg/s
Total moving mass (incl. air mass)MMD5.9 g
Effective piston areaSD55 cm2
Voice coil-Ø25 mm
Voice coil formerKapton
Voice coil lenght10 mm
Voice coil layers2
Voice coil inductanceLE0.4 mH
Flux densityB1.15 Tesla
Force factorBLxI6.3 Tm
Height of gap6 mm
Voice coil-Ø90 mm
Height of magnet17 mm
Mass of speaker1.2 kg
Characteristic sound pressure level SPL 1 W / 1 m88 dB
Rated power40 W
Frequency range100 -5400 Hz
Basket materialAluminium diecast
Cone materialHexacone

Technische Daten (PDF)

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