db840

8-inch single voice coil 4 Ohm subwoofer
Incredible Sound/Affordable Price

8" Diameter

db840
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black
79.95 each (US)¹




Overview Specifications Customer Reviews
Driver Complement
Woofer 1 - 8" Diameter (20.32cm)
Black Dynamic Balance Polymer Composite cone

Electrical
Overall Frequency Response 30-200 Hz
Nominal Impedance 4 ohms
Power Handling (continuous) 180 w
Power Handling (peak) 360 w
Efficiency 85 dB
Voice Coil Diameter: Driver 1-1/2" (3.81cm)

Driver Mounting Depth  
Top Mount 4-1/16" (10.32cm)
Bottom Mount 4-1/2" (11.43cm)
Cut-out  
Driver Cut-out Diameter 7-1/8" (18.10cm)

Thiele/Small Parameters
Recommended Enclosure Sealed/Ported/Bandpass
Resonant Frequency 49 Hz
Qms 14.1
Qes .6
Qts .6
Vas .42 cubic feet/11.9 L
Cms 157.6 Micro Meters
Bl 10.3 Tesla Meters
Sd 35.65 sq inch/ 230 sq cm
Xmax (linear) .51 inch/13 mm (peak to peak)
Mms 67. g

Other  
Speaker Warranty 1 year parts and labor (original purchaser)
Customer Rating:

5.00 (from 1 users)
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