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

Frequency Response: 32 Hz - 100 KHz
Sensitivity (1W@1M): 90 dB
Nominal Impedance:
4 Ohms
Maximum S.P.L
(Per pair in room): 117.8 dBA
Power Handling (RMS): 250 W
Recommended Amplifier Requirements (RMS): 100 - 250 W
Bass Alignment: Twin Ported HiVe II Technology
Sealed Mid-range TLE
Mid / H.F Crossover Frequency: 4000 Hz
Bass Low Pass Crossover Frequency: 550
Drive Unit Complement: 2 x 8 long-throw RDT bass drivers
1 x 4" RDT Mid-range driver
1 x C-CAM high frequency ribbon transducer
External Dimensions -
Excluding Stand (H x W x D): 288 x 800 x 368 mm
(11 5/16 x 31 1/2 x 14 1/2 inch)
Stand External Dimensions -
Including Plinth Feet
(H x W x D): 335 x 610 x 463 mm
(13 13/16 x 24 x 18 1/4 inch)
Weight: 33.5 Kg (73.8lbs)

User's Manual

AVAILABLE IN THESE COLOR FINISHES

System Format:    2 Way
Frequency Response:    55 Hz - 60 kHz
Sensitivity (1W@1M):    89 dB
Nominal Impedance:    8 ohms
Maximum S.P.L
(Per pair in room):    111.5 dBA
Power Handling (RMS):    150 W
Recommended Amplifier Requirements (RMS):    100 - 150 W
Bass Alignment:    Sealed Cabinet
Crossover Frequency:    2.8 kHz
Drive Unit Compliment:    2 x 5.5" RST bass/mid-range driver
1 x C-CAM H.F ribbon transducer
External Dimensions excl Stand (H x W x D)

172 x 461 x 303 mm
(6 11/16 x 18 1/8 x 11 15/16 inch)
Weight (each) Excluding stands:    6 Kg (13.25 lbs)

Specifications

Power handling (watts): 170 (RMS)  
Sensitivity (dB): 90  
Nominal impedance (ohms): 8  
Magnetically shielded
W x H x D (mm): 480 x 178 x 195  
Weight (kg): 9  
Frequency response (Hz): 35 - 45,000  
Connections: Gold-plated 4mm banana socket/binding posts  
Bass port Rear reflex  
Drivers: HF: Dual ring-radiator design
LF: 2 x 130mm pressed allow cones with twin Neodymium magnets and long throw voice coil  
Supplied accessories: Removable grille  
Finish: black ash/ walnut

Frequency Response: 45Hz- 100kHz
Sensitivity (1W@1M): 89 dB
Nominal Impedance:
4 Ohms
Maximum S.P.L
(Per pair in room): 112.8 dBA
Power Handling (RMS): 200 W
Recommended Amplifier Requirements (RMS): 60 - 200 W
Bass Alignment: Rear Ported HiVe II Technology
Mid / H.F Crossover Frequency: 1800 Hz
Bass Low Pass Crossover Frequency: 250 Hz
Drive Unit Complement: 2 x 6 1/2" RDT bass/mid-range driver
1 x C-CAM high frequency ribbon transducer
External Dimensions -
Excluding Stand: Width: 583mm (22 15/16 inches)
Height: 225mm (8 7/8 inches)
Depth: 291.2mm (11 7/16 inches)
Stand Dimensions: Width: 610mm (24 inches)
Height: 335mm (13 13/16 inches)
Depth 463mm (18 1/4 inches)
Weight: 19 Kg (41.8lbs)

User's Manual

AVAILABLE IN THESE COLOR FINISHES