21" SUBWOOFER
Features:
Die-cast aluminum basket
Ferrite magnet
Cloth edge and non-pressed paper+glass fiber cone
High-temp black oxidizing aluminum foil voice coil |
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Specifications:
Nominal diameter:21" (53cm)
Power rating: 1200 watts
Sensitivity: 102.6dB
Frequency response:25-2000Hz
Voice coil diameter: 4"(100mm) ,CCAW winding
Thiele-small parameters:
Resonance frequency: FS 28Hz
DC resistance: Re 3.2 ohms
Mechanical facto: Qms 6.53
Electrical facto: Qes 0.492
Total factor: Qts 0.458
BL factor:
BL:26.8 TM /Vas:344Ltr
Mms:281 g /Levc:1.059mH |
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