Polk Audio - LSiM707 Floorstanding Loudspeaker Specs

 

 

 

 

 

 

 

Witness the astounding magic of the Dynamic Sonic Engine in the proud LSiM707, the flagship of our top-of-the-line high performance loudspeaker series. A wide, enveloping soundstage, with pinpoint details, convincingly real imaging, and colorless truthful reproduction of demanding audio sources, even at lifelike volume levels. Be prepared, because the LSiM707 will change the way you listen.

 

 

Driver Complements

Subwoofer :

2 - 6" Diameter (15.24cm)
Dynamic Balance Cassini Ovals with Super Cell Aerated Polypropylene diaphragms

Mid/Woofer :

1 - 6 1/2" Diameter (16.51cm)
Dynamic Balance driver with Super Cell Aerated Polypropylene cone

Midrange :

1 - 3 1/4" Diameter (8.26cm)
Dynamic Balance driver with Super Cell Aerated Polypropylene cone

Tweeter :

1 - 1" Diameter (2.54cm)
Dynamic Balance Enhanced Ring Radiator Tweeter

Electrical

Overall Frequency Response :

20Hz-40kHz

Lower -3dB Limit :

38Hz dB

Upper -3dB Limit :

30kHz dB

Nominal Impedance :

compatible with 8 ohm outputs ohms

Recommended Amplifier Power:

 20-300 w/channel

Efficiency :

88 dB

Crossover :

Orth Crossover

Crossover:
(mid-high array) 3000Hz

Crossover:
(subwoofer) 100HZ

Inputs:

 Dual Gold-Plated Binding Posts

Dimensions

Cabinet Size :

50 13/16" H x 9 1/2" W x 18 7/16" D
(129.06cm H x 24.13cm W x 46.83cm D)

Footprint Size :

10 1/2" W x 20 5/16" D
(26.67cm W x 51.59cm D)

Mounting Options :

Floor

Enclosure Type:

 Sealed

Enclosure Type:
(subwoofer) Dual PowerPort