2-Channel Power Amplifier

QSC DCA 3422

Introduction
Features
Specifications

Introduction

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.

Features

Specifications

Introduction
Features
Specifications

Features

Active Inrush Limiting - won't blow circuit breakers at turn-on (a QSC cinema exclusive!)
Both speaker and monitor panel outputs (a QSC cinema exclusive!)
Exclusive PowerLight power supply for great bass (a QSC cinema exclusive!)
A hum-free noise floor and ultra-low distortion
Optional crossover modules for bi-amp, tri-amp and subwoofer applications
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 - a QSC cinema exclusive!
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 (a QSC cinema exclusive!)

Introduction

Specifications

Introduction
Features
Specifications

SPECIFICATIONS

8Ω, 20 Hz–20 kHz, 0.03% THD	700 W
4Ω, 20 Hz–20 kHz 0.05% THD	1100 W
EIA: 1 kHz, 1% THD @ 8Ω 4Ω 2Ω	800 W 1250 W 1700 W
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
Frequency Response (LF filter switched off)	20 Hz–20 kHz, ± 0.2 dB 8 Hz–50 kHz, + 0/-3 dB
Input Impedance	10 kΩ unbalanced, 20 kΩ balanced

Input Clipping	10 V rms (+22 dBu)
Voltage Gain at 8 ohms	40x (32 dB)
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)
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
Weight	21 lb (9.5 kg) net

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