Toa KD-1 User Manual
Operating Instruction Manual
ELECTRONIC MUSIC AMPLIFICATION SYSTEM
Model KD-1
T o a Electric Co., Ltd.
KOBE, JAPAN
Contents
Precautions .................................................................................. 1
General Description ....................................................................... 2
Features ...................................................................................... 2
Front Panel: Names of components & their usage ............................... 3
Rear Panel: Names of components & their usage ................................. 4
Block and Level Diagrams .............................................................. 5
Specifications ........................................................................... 5~6
Appearance .................................................................................. 6
Precautions
1. Power Supply
The KD-1 is designed to operate on local AC (50/60Hz) Mains, ±10%.
2. XLR Type Audio Connector
The connectors are wired as follows.
The pin 1 is ground (shield), the pin 2 c o l d (low, minus), t he pin 3 hot (h igh, plus).
3. Phantom Power Supply
The phantom power switch on channel 1 input permits the user t o supply 48 V D C
through the input connector to a condenser microphone. If phantom power is not
required, the switch must be in the "off" position.
4. Description of components and functions of the KD-1
Various descriptions are applied, depending on each manufacturer. In our
Operating and Instruction Manual explanation of components and functions is
made according to Toa's usage fo r them.
1
General Description
The TOA KD-1 is a complete electronic music amplification system in a single
portable package, consisting of a mixer, spring reverberation unit, power amplifier,
and full range speaker system.
The mixer section provides four input channels, and an effects patching loop with
crossfade and level controls. Each input features 2-band active EQ, and level control.
Input channels 1 and 2 feature Effects on/off switches, while channels 3 and 4 feature
input sensitivity switches. Channel 1 also features an electronically balanced XLR mic
input connector with switchable 48 volt phantom power, for use with condenser-type
microphones.
The 50 watt RMS internal power amplifier features Auto Comp compression circuitry,
with an LED indicator, to ensure distortion-free performance and protection for the
internal 12-inch heavy duty speaker system.
The KD-1 is covered in a durable and attractive high tech gray vinyl fabric.
Features
System Features
Four input channels
50 watts power amplifier output
Auto Comp compression circuitry w/indicator
Power amplifier protection circuitry w/indicator
Built-in heavy-duty 12"(30cm) two-way loudspeaker
Built-in spring reverberation unit
Effects patching loop, returnable to system mixing buss with crossfade and level
controls
Each Input Channel
Two band EQ
Input channel 1 has electronically balanced XLR mic input connector with
switchable 48 volt phantom power
Input channel 1 and 2 has Effects ON/OFF switches
Input channel 3 and 4 has Input Level Selector switches
2
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