Table of Contents
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UNiK A
Professional Power Amplif iers
UNiK A
POWER
PROTECT
CLIP
SIGNAL
0
0
10
10
POWER
0
0
10
10
CHANNEL 1
CHANNEL 2
Professional Stereo Amplifier
UNiK A
POWER
PROTECT
CLIP
SIGNAL
0
0
10
10
POWER
0
0
10
10
CHANNEL 1
CHANNEL 2
Professional Stereo Amplifier
UNiK A
POWER
LIMITER
LIMITER
ON
PROTECT
ON
CLIP
SIGNAL
0
0
10
10
POWER
0
0
10
10
CHANNEL 1
Professional Stereo Amplifier
CHANNEL 2
UNiK A
SIG
-20
-10
-5
CLIP
PROTECT
PROTECT CLIP
-5
-10
-20
SIG
DCA 2000
ON
ON
LIMITER
LIMITER
OVER HEAT
MONO
STEREO
BRIDGE
CHANNEL 1
CHANNEL 2
O
0
10
0
10
PROFESSIONAL POWER AMPLIFIER
Index
02 Introduction
03 Front Panel
05 Rear Panel
07 Set Up
10 Operating Modes
14 Protection
15 Features
16 Specifications
User Instructions
This booklet contains important information concerning the proper and safe operation of your new amplifier..
DCA-Series
DCA-900 / DCA-1100 / DCA-1300 / DCA-2000
Made in Taiwan
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Table of Contents
Related Manuals for Unika DCA-2000
Summarization of Contents
Important Safety Instructions
Electrical Shock and Opening Hazard
Alerts users to dangerous voltage and warns against opening the unit.
Servicing and Manual Reference
Instructs users to refer to the manual for important operating and maintenance information.
Fire and Moisture Hazard Warnings
Warns against exposing the amplifier to rain or moisture to prevent fire or shock.
Speaker Load Impedance Guidelines
Provides guidelines for minimum speaker load impedance to prevent damage or overheating.
Introduction to UNIKA Amplifiers
Important Usage Precautions
Lists critical safety precautions for operating the amplifier, such as avoiding moisture and proper handling.
Product Overview and Unpacking
Congratulates the user and details the amplifier's features and unpacking instructions.
Installation Guidelines
Provides guidance on mounting the amplifier into a standard 19" rack for secure installation.
Front Panel Features (DCA-900/DCA-1300)
Mounting Ears and Airflow Management
Describes front panel mounting ears and fan inlet grills for proper ventilation.
Front Panel Controls and Indicators
Details power switch, limiter, gain control, and various indicator LEDs.
Front Panel Features (DCA-2000)
Mounting Ears and Airflow Management
Describes front panel mounting ears and fan inlet grills for proper ventilation.
Front Panel Controls and Indicators
Details gain control, limiter, mode selection, power, and indicator LEDs.
Rear Panel Connections (DCA-1300/DCA-2000)
Fan Outlets and Subwoofer Controls
Describes fan outlet ports and subwoofer mode on/off switches for specific channels.
Input Connectors and Frequency Adjustment
Explains balanced input connectors and frequency adjustment pots.
Filter and Mode Selection Switches
Details DIP switches for low cut filter and the mode selection switch.
Rear Panel Connections (DCA-2000)
Fuse Holder and Thru Jacks
Describes the external fuse holder and XLR thru jacks for signal pass-through.
Speaker Output Terminals
Details Speakon and 5-way binding post outputs for connecting speakers.
Ground Lift and AC Power
Explains the ground lift switch for noise reduction and AC power cord connection.
Setup Guide: Inputs and Outputs
Input Connector Options
Describes XLR and 1/4" TRS/TS input connectors for balanced and unbalanced signals.
Speaker Output Connections
Explains how to connect speakers using binding posts, banana plugs, or spade connectors.
Polarity and Banana Plug Usage
Emphasizes correct speaker polarity and secure banana plug insertion.
Speaker Connection Methods
Bare Wire and Spade Connector Setup
Details connecting speakers using bare wire or spade connectors to binding posts.
Mono Bridge and Stereo Speakon Connections
Covers mono bridge connections and stereo connections using Neutrik Speakon outputs.
Speakon Connector Assembly
Speakon Cable and Connector Assembly
Provides a step-by-step guide for assembling Neutrik Speakon NL4FC connectors to speaker wire.
Operating Modes
Stereo and Mono Bridge Operation
Describes stereo setup and mono bridge operation for increased power.
Parallel Mono Operation (DCA-2000)
Details parallel mono mode for the DCA-2000, driving two channels independently.
Subwoofer Mode Operations
Bridge and Stereo Subwoofer Setup
Guides on setting up bridge and stereo subwoofer modes for high-powered subwoofer use.
Bi-Amping System Setup
Describes bi-amping setup, using one channel for subwoofer and the other for full-range.
Advanced Operating Modes
Parallel Mono Subwoofer (DCA-2000)
Details parallel mono subwoofer mode for cleaner low end with subwoofers.
Bi-Amping Configurations
Describes using the amplifier for bi-amping, powering different speaker types with separate channels.
Protection Features
Limiter and Load Protection
Explains the limiter and safe operating power levels for various speaker loads.
Short Circuit and Thermal Protection
Details output short circuit and thermal protection mechanisms for amplifier safety.
Operational Settings and Features
Operating Voltage and Gain Controls
Discusses correct AC voltage connection and gain control adjustment for optimal performance.
Amplifier Features: THRU and Ground Lift
Explains THRU jacks for daisy-chaining and the ground lift switch for noise reduction.
Low Cut Filter and Indicators
Low Cut Filter Configuration
Describes the low-cut filter's purpose and how to configure it using DIP switches.
Front Panel LED Indicators
Explains the meaning of various LEDs on the front panel for signal, clip, protect, and power.
DCA Series Amplifier Specifications
Output Power and Harmonic Distortion
Lists output power ratings and total harmonic distortion specifications.
Input Sensitivity, Dimensions, and Weight
Details input sensitivity, physical dimensions, and weight for each model.
Frequency Response and Power Consumption
Provides frequency response, hum/noise levels, and power consumption data.
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