MM840


Designed to Perform

8" Diameter

MM840
Larger Image
(click to enlarge)

black
139.95 each (US)¹




Overview Specifications Customer Reviews Vehicle Fit Guide
Driver Complement
Woofer 1 - 8" Diameter (20.32cm)

Electrical
Overall Frequency Response 26-200Hz
Nominal Impedance 4 ohms
Minimum Impedance 3.3 ohms
Power Handling (continuous) 250 w
Power Handling (peak) 500 w
Efficiency 90 dB
Voice Coil Diameter: Driver 1-1/2" (3.81cm)

Driver Mounting Depth  
Top Mount 4" (10.16cm)
Bottom Mount 4-9/16" (11.59cm)
Cut-out  
Driver Cut-out Diameter 7-1/16" (17.94cm)

Thiele/Small Parameters
Resonant Frequency 35 Hz
Qms 5.5
Qes .7
Qts .6
Vas .54 cu ft/15.4L
Sd 35.65 sq in/230 sq cm
Xmax (linear) .75
Le 2.3 mH

Other  
Speaker Warranty 1 year parts and labor (original purchaser)
Customer Rating:
Be the first to rate
Expert Reviews:

Read expert reviews >>