POLK AUDIO LSiM704 C CENTER 2-way High Performance Bookshelf Loudspeaker -EBONY-

Tweeter 1¨Dynamic Balance Ring Radiator x1
Mid/Woofer 5 ¼ ¨ Dynamic Balance x2
Frequency Response 40Hz - 27kHz
Nominal Impedance 4 Ohms
Rec. Amplifier Power 20-200 W/Channel
Sensitivity 88dB
Dimensions (cm) 17.78x 55.24 x 22.86

Enclosure     Sealed/Ported
Tweeter     Ring Radiator
Midrange size (inches)     3-1/4
Woofer size (inches)     6-1/2
Connector Type     Post
Power Range     20-250
Sensitivity     88 dB
Impedance (Ohms)     8
Frequency Response     50-30k Hz
Height (inches)     9-1/16
Width (inches)     28-11/16
Depth (inches)     14
Weight     42.3 lbs
Parts Warranty     5 Years
Labor Warranty     5 Years

ALSO AVAILABLE IN "EBONY" COLOR

Frequency Response +/- 3dB:    50Hz - 35KHz
Sensitivity (1W@1M):    90dB
Driver Compliment:    2 x 140mm (5 1/2“) C-CAM® mid/bass driver with RST® technology.
1 x 25mm (1“) C-CAM® gold dome tweeter.
Nominal Impedance:    8 ohms
Maximum SPL (each):    116.8 dBA
Recommended Amplifier Requirements (RMS):    50 - 200W
Bass Alignment:    Bass reflex - twin front mounted Dual HiVE®II ports
Power Handling (RMS):    200W
Crossover Frequency:    600Hz & 3.0kHz
External Dimensions:
(H x W x D)    610 x 140 x 100 mm
24 x 5 1/2 x 3 15/16 inch
Weight (Individual):    6.85kg (15 1/8lbs)

 User's Manual

 ΔΙΑΤΙΘΕΤΑΙ ΣΤΑ ΠΑΡΑΚΑΤΩ ΧΡΩΜΑΤΑ

System Format: 3 Way
Frequency Response: 40 Hz - 60 kHz
Sensitivity (1W@1M): 90 dB
Nominal Impedance: 8 ohms
Maximum S.P.L
(Per pair in room): 113.8 dBA
Power Handling (RMS): 200 W
Recommended Amplifier Requirements (RMS): 100 - 200 W
Bass Alignment: Sealed Cabinet
Crossover Frequency: L.F - M.F: 800 Hz
M.F - H.F: 2.3 kHz
Drive Unit Compliment:
2 x 6.5" RST bass/mid-range driver
1 x 4" RST mid-range driver
1 x C-CAM H.F ribbon transducer

External Dimensions excl Stand (H x W x D)

254 x 581 x 333 mm
(10 x 22 7/8 x 13 1/8 inch)
Weight (each) Excluding stands: 18.9 Kg (41.6lbs)

AVAILABLE IN SIX COLOR FINISHES

Frequency Response

60Hz - 35KHz

Sensitivity

86dB

Nominal  Impedance

6 Ohms

Power Handling Single (RMS)

100 Watts

System Power Handling (RMS)

150 Watts

Recommended Amplifier Requirements

40-150 Watts

Maximum SPL (dBA)

106

Bass Alignment

Bass reflex - Rear ported

Driver complement

2 x 4” (100mm) C-CAM® cone bass/mid driver
1 x 1” (25mm) C-CAM gold dome tweeter

Cabinet Dimensions (H x W x D)

125 x 330 x 140mm
(415/16 x 13 x 51/2 Inches)

Cabinet Dimensions (H x W x D)(Inc Grille & Terminals)

125 x 330 x 164mm
(415/16 x 13 x 67/16 Inches)

Weight

3.6kg (7lb 14oz)

Driver Complements
Mid/Woofer     2 - 3 1/4" Diameter (8.26cm)
Dynamic Balance composite cone driver
Midrange    
Tweeter     1 - 3/4" Diameter (1.91cm)
silk dome
Electrical
Overall Frequency Response     90Hz-24kHz
Lower -3dB Limit     125Hz dB
Upper -3dB Limit     20kHz dB
Nominal Impedance     8 ohms
Recommended Amplifier Power     10-125 w/channel
Efficiency     91 dB
Inputs     Gold-plated 5-way binding posts
Dimensions
Cabinet Size     4 1/4" H x 16 11/16" W x 3 13/16" D
(10.79cm H x 42.39cm W x 9.68cm D)
Mounting Options     keyhole slot; .25 x 20 threaded insert
Enclosure Type     Non-resonant curved enclosure with time-alinged driver geometry and PowerPort bass venting
Shipping/Other
Product Weight     4.50 lbs. (2.04kgs)
Shipping unit:     each
Total Shipping Weight     5.50 lbs. (2.49kgs)
Speaker Warranty     5 years parts and labor (original purchaser)