POWER AMPLIFIERS

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(1) 기능

본 기기는 2채널 앰프로서 2옴 작동으로 정격화 된 저임피던스 모델로 3U 섀시로 만들어진 기기이어야 한다. 빠르고 반복 가능한 설정을 위해 앰프 후면에 2dB 디텐트로 구성된 오작동 방지 게인 컨트롤을 내장하고 있어야 하며 HD-15 커넥터로 마무리된 DataPort V2가 XC-3 크로스오버, SF-3 서브우퍼 필터, LF-3 저주파 필터 같은 DPV2 호환 가능 신호처리 부품용으로 DSP-3가 외부 전력용으로 설치되어 있어 다양한 로딩 옵션 및 광범위한 기능으로 비용 절감 효과가 크며 영구 설치 음향 장치용 기기이어야 한다.

(2) 기기특성

- Stereo mode(both channels driven)

8Ω/20Hz~20kHz/0.1% THD	: 260W

4Ω/20Hz~20kHz/0.1% THD	: 425W

2Ω/1kHz/1% THD	: 700W

- Direct output, stereo mode

70V/20Hz~20kHz/+0, -0.3dB/0.5% THD	: -

- XF output power, stereo mode

70V or 100V/50Hz~16kHz/0.5% THD	: -

25V/50Hz~16kHz/0.5% THD	: -

- Bridge mono mode

8Ω/1kHz/0.1% THD	: 900W

4Ω/1kHz/1% THD	: 1,400W

- XF output power, bridge mono mode

140V or 200V/50Hz~16kHz/0.5% THD	: -

- Signal to noise(20Hz~20kHz)	: 100dB

- Distortion(SMPTE-IM)	: < 0.01%

- Input sensitivity at 8Ω	: 1.07V(+2.8dBu)

- Gain at 8Ω	: 44.7x(33dB)

- Output circuitry	: AB

- Distortion(typical)

20Hz~20kHz:10dB below rated power	: < 0.03% THD/4Ω and 8Ω

1.0kHz and below: full rated power	: < 0.03% THD/4Ω and 8Ω

- Frequency response(10dB below rated output)	: 20Hz~20kHz: +0/-1dB

-3dB points, 5Hz and 50kHz

- Damping factor(direct outputs)	: > 200 at 8Ω/ISA1350: > 250

Output regulation(isolated outputs)	: < 1.5dB

- Input impedance	: 10k ohms unbalanced/

20k ohms balanced

- Input clipping	: 10Vrms(+22dBu)/

ISA1350: 4.53Vrms(+15.3dBu)

Cooling	: Continuously variable speed fan,

back-to-front air flow

- Connectors

Input	: Active balanced/3-pin euro-style

detachable terminal block and

XLR(pin 2+)

Output	: Covered barrier strips,

dataport V2/HD-15 connector

- Controls

Front	: AC switch

Rear	: ch1&2 gain knobs/

10-position DIP switch

- Indicators

Power-on	: Green LED

Signal	: Green LED(1per channel)

Protect	: Red LED(ISA 1350)

Clip	: Red LED(1per channerl)

- Amplifier protection	: Full short circuit, open circuit,

thermal, ultrasonic, and RF	protection.

stable into reactive or mismatched

loads

- Load protection	: On/off muting,

Triac crowbar: ISA750, ISA1350 and

ISA800Ti

AC coupling: ISA280, ISA300Ti,

ISA450, ISA500Ti

- Dimensions(HxWxD)	: 5.25”(13.3cm) 3rack spaces x

19”(48.3cm) rack mounting x

15.9”(40cm) deep from front

mounting rails

- Weight

Net	: 42lbs(19kg)

Shipping	: 48lbs(22kg)

- Power requirements	: 100, 120, 230 VAC, 50Hz~60Hz

** ISA450 또는 동등 이상품 이어야 한다.