QSC DCA 3022 | เพาเวอร์แอมป์ 2X550 วัตต์ 8 โอห์ม
Crystal-clear, breathtaking, seat-shaking cinema sound is here with our DCA Series Digital Cinema Amplifiers. These THX approved amplifiers offer superior performance and features designed specifically for the cinema market. All DCA amplifiers feature PowerLight™ switch mode power supply technology and DataPorts for integration with DCP Cinema Processors, QSControl.net or DCM Cinema Monitors.
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Tel: 02-991-8600, 086-514-5515
QSC DCA 3022 เพาเวอร์แอมป์ 2X550 วัตต์ 8 โอห์ม
ดาวน์โหลด
Crystal-clear, breathtaking, seat-shaking cinema sound is here with our DCA Series Digital Cinema Amplifiers. These THX approved amplifiers offer superior performance and features designed specifically for the cinema market. All DCA amplifiers feature PowerLight™ switch mode power supply technology and DataPorts for integration with DCP Cinema Processors, QSControl.net or DCM Cinema Monitors.
Five 2-channel and two 4-channel models offer power points from 200 to 1700 watts per channel in a two rack, 21 pound amplifier. With QSC's exclusive PowerLight® switching technology you'll hear ultra-powerful bass and superior highs in every scene.
คุณสมบัติ
- Active Inrush Limiting - won't blow circuit breakers at turn-on
- Both speaker and monitor panel outputs
- Exclusive PowerLight power supply for great bass
- A hum-free noise floor and ultra-low distortion
- Only 3.5 inches high; even the most powerful systems can be built with only one rack
- DataPort interface for DCP Digital Cinema Processors and DCM Digital Cinema Monitors
- Patented Output Averaging™ short circuit protection
- 14-inch deep - works with standard depth racks for lower cost and less floor space
- Only 21 pounds, for easier racking and shipping - no need to remove amps from pre-wired systems before shipping
- Gain control security cover protects amp against tampering and misadjustment
- Variable-speed fan cooling and back-to-front air flow
- Neutrik Speakon® and safety-shrouded barrier strip output connectors
- LED indicators for metering, status, and operating mode
SPECIFICATIONS | DCA 1222 | DCA 1622 | DCA 2422 | DCA 3022 | DCA 3422 |
8Ω, 20 Hz–20 kHz, 0.03% THD | 200 W | 300 W | 425 W | 550 W | 700 W |
4Ω, 20 Hz–20 kHz 0.05% THD | 325 W | 500 W | 700 W | 900 W | 1100 W |
EIA: 1 kHz, 1% THD @ 8Ω 4Ω 2Ω |
215 W 375 W 600 W |
350 W 600 W 800 W |
475 W 825 W 1200 W |
625 W 1050 W 1500 W |
800 W 1250 W 1700 W |
BRIDGED MONO MODE | |||||
16Ω, 20 Hz–20 kHz, 0.1% THD | 400 W | 600 W | 850 W | 1100 W | 1400 W |
8Ω, 20 Hz–20 kHz, 0.1% THD | 700 W | 1100 W | 1500 W | 2000 W | 2200 W |
4Ω, 1 kHz, 1% THD | 1200 W | 1600 W | 2400 W | 3000 W | 3400 W |
Signal to Noise 20 Hz–20 kHz, unweighted |
> 106 dB | > 107 dB | > 108 dB | > 107 dB | > 107 dB |
Input Sensitivity full rated power @ 8 ohms |
1.0 V rms +2.2 dBu |
1.2 V rms +3.9 dBu |
1.5 V rms +5.5 dBu |
1.7 V rms +6.8 dBu |
1.9 V rms +7.8 dBu |
Input Sensitivity full rated power @ 4 ohms |
0.9 V rms +1.3 dBu |
1.1 V rms +3.2 dBu |
1.3 V rms +4.6 dBu |
1.5 V rms +5.7 dBu |
1.7 V rms +6.8 dBu |
Output Circuitry Class Type | AB | AB | 2-Step H | 2-Step H | 2-Step H |
Distortion (SMPTE-IM) | < 0.01% | < 0.01% | < 0.02% | < 0.02% | < 0.02% |
ALL MODELS | |||||
Distortion (Typical) 20 Hz–20 kHz: 10 dB below rated power 1.0 kHz and below: full rated power |
Less than 0.01% THD @ 8 and 4 ohms Less than 0.01% THD @ 8 and 4 ohms |
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Frequency Response (LF filter switched off) |
20 Hz–20 kHz, ± 0.2 dB 8 Hz–50 kHz, + 0/-3 dB |
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Damping Factor 1 kHz and below |
Greater than 500
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Input Impedance |
10 kΩ unbalanced, 20 kΩ balanced
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Input Clipping |
10 V rms (+22 dBu)
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Cooling |
Variable-speed fan, rear-to-front air flow
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Connectors, each channel |
Input: 1/4" TRS, 3-pin XLR & 3-pin detachable terminal block
Output: Neutrik Speakon® and safety-shrouded barrier strip, including Monitor output DataPort: One HD15
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Voltage Gain at 8 ohms |
40x (32 dB)
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Controls |
Front: AC switch, Ch. 1 and Ch. 1 recessed gain knobs
Rear: DIP switch (Clip Limiter on/off, each channel; LF Filter on/off, each channel; LF Filter Freq select 30 or 50 Hz, each channel; Inputs Parallel or Stereo; Bridge Mode) |
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Indicators |
1 each per channel:
CLIP/PROT: Red LED LEVEL -10 dB: Green LED LEVEL -20 dB: Green LED SIGNAL -35 dB: Green LED BRIDGED: Yellow LED PARALLEL INPUTS: Yellow LED POWER: Green LED |
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Amplifier Protection |
Full short circuit, open circuit, thermal, ultrasonic, and RF protection.
Stable into reactive or mismatched loads. |
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Load Protection |
On/off muting, DC-fault power supply shutdown
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Dimensions (HWD) inches | 3.5 x 19 x 14 | ||||
Dimensions (HWD) mm |
89 x 483 x 356
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Weight |
21 lb (9.5 kg) net
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Optional Accessories Download the Cinema Accessories for DCA Amps User Manual (PDF 410k) |
XC-3 Cinema Crossover, for bi-amp applications with all commonly used cinema speakers
SF-3 Subwoofer Filter, an adjustable highpass filter for subwoofers LF-3 Low Frequency Filter, used with the XC-3 for tri-amp applications |
POWER PER CHANNEL, STEREO MODE, both channels driven
CURRENT CONSUMPTION | DCA 1222 | DCA 1622 | DCA 2422 | DCA 3022 | DCA 3422 | |
Idle current (no audio program material) |
0.8 A | 0.9 A | 0.9 A | 0.9 A | 0.9 A | |
1/8 Power (Pink Noise) (typical of program material at maximum unclipped or rarely clipping power) |
8 ohms 4 ohms 2 ohms |
3.8 A 6.0 A 9.6 A |
5.6 A 9.0 A 14.0 A |
5.0 A 7.9 A 11.8 A |
6.0 A 9.5 A 14.0 A |
7.6 A 11.6 A 16.6 A |
1/3 Power (Pink Noise) (typical of program material with severe clipping) |
8 ohms 4 ohms 2 ohms |
5.4 A 8.9 A 14.3 A |
8.0 A 13.3 A 21.0 A |
8.4 A 13.5 A 22.0 A |
11.0 A 17.0 A 27.0 A |
13.1 A 20.0 A 30.4 A |
Note: values are for 120 VAC; multiply values by 0.5 for 230V units |
THERMAL LOSSES (ALL MODELS)
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Idle | 1/8 Power (pink noise) |
1/3 Power (pink noise) |
Full Power (sine) | ||||||
Model | Load | BTU/hr | kcal/hr | BTU/hr | kcal/hr | BTU/hr | kcal/hr | BTU/hr | kcal/hr |
DCA1222 | 8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms |
200 200 200 |
50 50 50 |
565 995 1740 |
145 250 440 |
720 1245 2255 |
180 315 570 |
715 1295 2425 |
180 325 610 |
DCA1622 | 8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms |
165 165 165 |
40 40 40 |
910 1570 2560 |
230 395 645 |
1130 1945 3470 |
285 490 875 |
1090 1875 3585 |
275 475 905 |
DCA2422 | 8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms |
200 200 200 |
50 50 50 |
790 1310 2255 |
200 330 570 |
1080 1910 3190 |
275 480 805 |
1245 2320 4610 |
315 585 1160 |
DCA3022 | 8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms |
220 220 220 |
55 55 55 |
900 1525 2305 |
225 385 580 |
1415 2560 4265 |
355 645 1075 |
1705 3070 5835 |
430 775 1470 |
DCA3422 | 8 ohms + 8 ohms 4 ohms + 4 ohms 2 ohms + 2 ohms |
225 225 225 |
57 57 57 |
1195 2135 3975 |
300 540 1000 |
1760 2335 5210 |
445 590 1315 |
2050 3755 NA |
515 945 NA |
แบรนด์ (Brands) | QSC |
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รุ่น | DCA |
จำนวนช่อง (Channels) | 2 Channel |
กำลังวัตต์ (Max Power) | 3,000 Watts. |
สี (Color) | สีดำ |
ข้อมูลจำเพาะ | QSC DCA 3022 เพาเวอร์แอมป์ 2X550 วัตต์ 8 โอห์ม |