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[6.5in] 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

EN54-24 @1W, 4m; 74

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

Horizontal/Vertical	500Hz; 176/177, 1kHz; 151/151

2kHz; 99/130, 4kHz; 71/59

- Declared values of SPL,	: 500:59.4; 630:59.2; 800:61.8;

1/3rd octave band CPB, 1W, 4m,	1;000:62.1; 1,250:61.6; 1,600:62.9;

EN54-24 eq applied[Hz:dB]	2,000:64.4; 2,500:61.9; 3,150:63.2;

4,000:65.7

- EN54-24 Equalization	: High Pass, 12dB/oct, Butterworth,

Fc; 200Hz

High Shelf, 12dB/oct, (Q)1/

(BW)1.38, Fc; 8kHz, Gain; +4dB

- Directivity factor	: 6.5

- Directivity index[dB]	: 8

- Maximum SPL[dB]	: Rated, 1m (continuous/peak);

106/112

EN54-24, 4m (low-Z/Highest-tap);

92.31/91.80

- 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 baffle 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	: Φ245mm[Φ9.65in]

- Net weight	: 4.3kg[9.5lb]

- Product dimensions(Φ x H)	: Φ280 x 237 mm

[Φ11.02 x 9.32 in.]

- Shipping weight	: 12.6kg[27.8lb] (pair packed)

- Shipping dimensions(H x W x D)	: 330 x 737 x 381 mm

[13 x 29 x 15 in] (pair packed)

** AD-C6T 또는 동등 이상품 이어야 한다.