CU-21FO/ CU-22FO/ CU-24FO: Speaker outdoor
Model: CU-21FO/ CU-22FO/ CU-24FO
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
◆ Outdoor type, 100V/70V line of high impedance model
◆ Use solid aluminum body and flame retarding grill
◆ Use titanium color which does not damage the landscape of outdoor facility and prevents the discoloration even for long time use with clean & simple design
◆ Excellent waterproof, moistureproof, and dustproof (IP34)
◆ 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 exclusive knuckle bracket which enables the angle adjustment 30 degree downward and each 90 degree toward right and left
Model | CU-21FO | CU-22FO | CU-24FO | |
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 | 10/7.5/5/2.5W | 20/15/10/5W | 40/30/20/10W |
70V | 10/7.5/5/2.5W | 20/15/10/5W | 40/30/20/10W | |
Impedance | 100V | 1k/1.3k/2k/4kΩ | 500/660/1k/2kΩ | 250/330/500/1kΩ |
70V | 500/660/1k/2kΩ | 250/330/500/1kΩ | 125/160/250/500Ω | |
LOW | - | - | - | |
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 : Light Brown/Top, Bottom : Black | |||
Grill Material | EGI 0.8T | EGI 0.8T | EGI 0.8T | |
Grill Color | Titanium | Titanium | Titanium | |
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 | IP34 | IP34 | IP34 | |
Flame Resistant | O | O | O | |
Certification | - | - | - | |
Included Accessories | U Bracket | U Bracket | U Bracket |
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