CEILING SPEAKER

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(1) 기능

본 기기는 6.5인치 2웨이 천장형 스피커로 일정한 출력의 평탄한 음을 재생 가능하게 하는 DMT™기능이 있어야 하며, 하이임피던스 용 트랜스포머가 장착되어 16옴 뿐 아니라 70V 및 100V로 변환하여 전관방송에도 적합한 기기이어야 한다.

(2) 기기특성

- LF transducer	: 165mm[6.5 in] weather treated

paper cone woofer

- HF transducer	: 19mm[.75in] aluminum dome

tweeter

- Effective frequency range	: 65Hz~20kHz

- Rated noise power/voltage	: 60watts/31volts (rms)

- Sensitivity[dB]	: Rated @1W, 1m; 88

- Coverage(6dB)[°]	: Rated; 135 conical DMT

- Directivity factor	: 6.5

- Directivity index[dB]	: 8

- Maximum SPL[dB]	: Rated(continuous/peak); 106/112

- Recommended amplifier	: 60watts

- Transformer taps/impedance	: Bypass; 16Ω

7.5W(70V); 15W(100V) Tap; 667Ω

15W(70V); 30W(100V) Tap; 333Ω

30W(70V); 60W(100V) Tap; 167Ω

60W(70V); N/A(100V) Tap; 83Ω

- Input connector type	: Euroblock connector with parallel

output

- Enclosure material	: ABS baf e on powder coated steel

back can

- Grille material	: Powder coated steel

- Ingress protection	: IP-34

- Operating environment	: Designed for indoor use

- Operating temperature range	: -20 to 50 °C [-4 to 122 °F]

- Cutout dimension	: Φ305mm[Φ12in]

- Net weight	: 4.2kg[9.3lb]

- Product dimensions(Φ x H)	: Φ340 x 100 mm

[Φ13.37 x 3.95 in.]

- Shipping weight	: 13.3kg[29.3lb] (pair packed)

- Shipping dimensions(H x W x D)	: 178 x 864 x 470 mm

[7 x 34 x 18.5 in] (pair packed)

** AD-C6T-LP 또는 동등 이상품 이어야 한다.