Specifications

14 Polk Audio Customer Service: 1-800-377-7655 (Outside US & Canada: [phone]) Monday-Friday, 9:00 AM-5:30 PM EST, [e-mail]
Specifications LSiM707 LSiM705 LSiM703
Type
tower tower bookshelf
Tweeter
1" (25mm) enhanced
Ring Radiator
1" (25mm) enhanced
Ring Radiator
1" (25mm) enhanced
Ring Radiator
Midrange
3 1/4" super cell
aerated polypropylene
3 1/4" super cell
aerated polypropylene
3 1/4" super cell
aerated polypropylene
Midbass
6 1/2" super cell
aerated polypropylene
5 1/4" super cell
aerated polypropylene
6 1/2" super cell
aerated polypropylene
Woofers
6" x 9" Cassini oval,
super cell aerated
polypropylene
5" x 7" Cassini oval,
super cell aerated
polypropylene
n/a
Frequency Response
(-3dB limits)
38 Hz - 30 kHz 42 Hz - 30 kHz 50 Hz - 30 kHz
Overall Frequency Response
20 Hz - 40 kHz 22 Hz - 40 kHz 36 Hz - 40 kHz
Steady State Recommended
Amp Power
20 W - 300 W 20 W - 250 W 20 W - 200 W
2.83V Sensitivity
88 dB 88 dB 88 dB
Impedance
compatible w/ 8 Ohm outputs compatible w/ 8 Ohm outputs compatible w/ 8 Ohm outputs
Orth Crossover
Tweeter/Midrange
Crossover Frequency
3.0 kHz 2.8 kHz 2.8 kHz
Midrange/Midbass
Crossover Frequency
300 Hz 280 Hz 300 Hz
Midbass/Woofer
Crossover Frequency
100 Hz 100 Hz n/a
Tweeter High Pass
Slope (acoustic)
18 dB/oct 18 dB/oct 18 dB/oct
Midrange Low Pass
Slope (acoustic)
18 dB/oct 18 dB/oct 18 dB/oct
Midrange High Pass
Slope (acoustic)
12 dB/oct 12 dB/oct 12 dB/oct
Midbass Low Pass
Slope (acoustic)
12 dB/oct 12 dB/oct 6 dB/oct
Midbass High Pass
Slope (acoustic)
6 dB/oct 12 dB/oct n/a
Woofer Low Pass
Slope (acoustic)
6 dB/oct 12 dB/oct n/a
Midrange Enclosure Type
sealed sealed sealed
Midbass Enclosure Type
sealed sealed n/a
Woofer Enclosure Type
dual PowerPort
®
dual PowerPort PowerPort
Dimensions W x H x D
(greatest overall depth, grille)
9 1/2" x 50 13/16" x 18 7/16"
24.1 cm x 129.1 cm x 46.8 cm
8 5/16" x 47" x 14 3/8"
21.1 cm x 119.4 cm x 36.5 cm
8 13/16" x 16 3/4" x 14 9/16"
22.4 cm x 42.5 cm x 37 cm
Base Dimensions
10 1/2" x 20 5/16"
26.7 cm x 51.6 cm
9 1/4" x 16 1/4"
23.5 cm x 41.3 cm
n/a
Product Weight (each)
99.2 lbs (45 kg) 78 lbs (35.4 kg) 29.6 lbs (13.4 kg)
Shipping Weight
114.7 lbs (52 kg) 86.4 lbs (39.2 kg) 32.5 lbs (14.75 kg)