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CU-21F/ CU-22F/ CU-24F: Speaker indoor

Model: CU-21F/ CU-22F/ CU-24F
Manufacturer: INTER-M - KOREA

CU-20 series models are column speakers achieving the reasonable price while maintaining the performance for announcement and emergency broadcasting. They are speakers with solid designs using simple and clean aluminum bodies. They also provide indoor and outdoor types in order to use them at various places such as shopping mall, school, parking lot, hotel, convention center, station, and airport.
 

◆ Use 4” full-range of unit having excellent sound quality/articulation/durability
◆ Indoor type, 100V/70V line of high impedance model
◆ Use solid aluminum body and flame retarding grill
◆ Are installed harmoniously to interior architectural design using clean & simple design and silver color
◆ Have 3 types of models which you can select the optimal power among 10W/20W/40W depending on the use
◆ Show the maximum feature of exclusive speaker unit with the use of high-performance matching transformer produced by Inter-M
◆ Easy input power selection through wiring
◆ Provide U-bracket which can be easily installed to street lamp and pole
Model CU-21F CU-22F CU-24F
Type Single 4" Full-range Column Speaker Dual 4" Full-range Column Speaker Quad 4" Full-range Column Speaker
Unit 4" x 1 4" x 2 4" x 4 
Power Handling (AES) 10W 20W 40W
Input Power 100V 10/5W 20/10W 40/20W
Impedance 100V 1k/2kΩ 500/1kΩ 250/500Ω
Power Selection By Wiring By Wiring By Wiring
Frequency Range(-10dB) 127Hz ~ 20kHz 137Hz ~ 20kHz 128Hz ~ 20kHz
Frequency Range(-20%) 100Hz ~ 20kHz 108Hz ~ 20kHz 94Hz ~ 20kHz
Sensitivity (1W/1m, 1kHz) 87dB 90dB 91dB
Maximum SPL[Cont] 97dB 103dB 107dB
Nominal Dispersion(H) 1kHz 205˚ x 154˚ 220˚ x 120˚ 208˚ x 60˚
4kHz 122˚ x 141˚ 103˚ x 33˚ 106˚ x 16˚
Input Connector Bi-Wired INPUT Line Direct Connection
Enclosure Material  Body : AL/Top, Bottom : Composite PP(GP-3152F), INSERT NUT
Enclosure Color Body : Silver/Top, Bottom : Black
Grill Material EGI 0.8T EGI 0.8T EGI 0.8T
Grill Color Silver Silver Silver
Weight (Net) 1.8kg 3kg 4.65kg
Dimensions (Net, WxHxD, mm) 135 x 280 x 109  135 x 390 x 109  135 x 610 x 109 
Weather Resistant - - -
Flame Resistant O O O
Certification - - -
Included Accessories U Bracket U Bracket U Bracket

Other

  • CS-660MH: Ceiling Speaker

    CS-660MH: Ceiling Speaker

    Model: DPA-300S
    Manufacturer: INTER-M - KOREA
    The CS-660MH is a speaker suitable for hotels, banquet halls and fine restaurants where space is divided into partitions.

Hotline: (+84) 919.900.247