Polk Audio - Car & Marine Audio Speakers

Driver Properties
Name	MOMO100 (4 ohm)
Diameter	10 in.
No. of Drivers	1
Fs	35Hz
Qms	8.41
Vas	.78cu ft. / 22.1L
Xmax	.343 in / 8.7 mm
Sd	.355sq ft / .0330 sq m
Qes	0.49
Le	1.3 mH
Z	4 ohm
Pe	800



Box Properties
Type	Single Bandpass
Shape	Prism, Bandpass with two chambers
Comment	(2) 4 Inch Ports 12 in. long
Enclosure details	1.80 cu. ft. (50.97 liters)

Overall External Dimensions
Width	18-3/5" (47.24cm)
Height	16" (40.64cm)
Depth	16" (40.64cm)

Chamber 1
- lower - freq.
Vb = 0.70 cu.ft. (19.82 liters)
Fb = 50.90 Hz.
QL = 7
F3 = 51.81 Hz.
Fill = minimal

Chamber 2
- upper - freq.
Vb = 1.10 cu.ft. (31.15 liters)
Fb = 61.82 Hz.
QL = 7
F3 = 74.87 Hz.
Fill = minimal

No. of Vents = 2
Vent Shape = round
Vent ends = one flush
DV = 4.00 in. (10.16cm)
LV = 12.00 in. (30.48cm)

Actual Measured Performance

Chamber 2 before and after adding the two 4" x 12" vents.

Cone Displacement

In Car Response

Out of Car Response

System Impedence

Vent Air Velocity

*** As measured with a in-house car with 1 Volt input. Actual results may vary with different vehicles.