Polk Audio MM400, MM455, MM465 S p e c i f i c a t i o n s Polk/MOMO Mid/Woofer Technical Sheet THIELE / SMALL PARAMETERS

16 AMERICAN POWER, ITALIAN FINES SE POLK AUDIO / MOMO DESIGN 17
Recommended
Amplification
Impedance(DCR)
Frequency Response
(+/-3dB)
Sensitivity
(1w/1m)
Magnet Weight
Height
Cutout Dimensions
Mounting Depth
top mount with grille
Mounting Depth
bottom mount
Grille Height
Grille Diameter
Crossover Frequency
Crossover Order
M M 4 5 5
25-100 watts
4.0 ohms
68 Hz - 20 kHz
86 dB
13.5 oz
N/A
N/A
5.0"
127.0 mm
2.72"
69.1 mm
3"
76.2 mm
3/4"
19.1 mm
6 13/32"
162.7 mm
4200 Hz
Tweeter &
Driver**:
2nd Order
Butterworth
M M 4 6 5
25-150 watts
4.0 ohms
50 Hz - 20 kHz
87 dB
14.4 oz
N/A
N/A
5.94"
150.9 mm
2.81"
71.4 mm
3 1/16"
77.8 mm
3/4"
19.1 mm
7 1/4"
184.1 mm
4200 Hz
Tweeter &
Driver**:
2nd Order
Butterworth
M M 4 0 0
25-100 watts
5.5 ohms
4.4 kHz - 20 kHz
90 dB*
5 oz
Flush Mount Cup:
0.9"(22.8 mm)
Surface Mount Height:
1.015"(25.7 mm)
2.06"
52.4 mm
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
4800 Hz
1st Order Butterworth
S p e c i f i c a t i o n s Polk/MOMO Mid/Woofer Technical Sheet
THIELE / SMALL PARAMETERS
5.25" Mid Driver 6.5" Mid Driver
Freq. Response 68 Hz - 5.5 kHz 50 Hz - 5.5 kHz
Resonant Freq. (Fo, Fs) 68 Hz 50 Hz
Qms 9 . 0 6 9 . 5 8
Qes 0 . 6 1 0 . 6 7
Qts 0 . 5 8 0 . 6 2
Vas 5.27 L 14.61 L
.186 ft3.515 ft3
Cms 431 µm/N 493 µm/N
BL 5.5 TM 5.8 TM
Sd .0093 m2.0145 m2
.100 ft2.156 ft2
Mms 12.6 g 19.8 g
Winding Width 12.7 mm 12.4 mm
. 5 0 0 i n . .488 in.
Xmax (Linear) 3.4 mm 3.2 mm
.3132 in. .126 in.
Xmax (Mechanical) 14.3 mm 15.2 mm
.562 in. .600 in.
Le .265 mH .313 mH
*When MM400 bought separately sensitivity = 90 dB with loop intact
When MM400 bought separately sensitivity = 87 dB with loop cut
**Midrange extension switch on crossover will bypass driver crossover