CU-21F/ CU-22F/ CU-24F: Loa cột trong nhà
Model: CU-21F/ CU-22F/ CU-24F
Hãng sản xuất: 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 |
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