General Description; Features; Handling Precautions - Toa A-3606D Operating Instructions Manual

2. GENERAL DESCRIPTION

TOA's A-3600D Series is a PA amplifier equipped with 4 microphone inputs and 3 auxiliary inputs, and 2-channel
zone selector.
In addition to each individual input volume control function, it is equipped with the following functions.
• Priority broadcast function
• Chime function
• Remote confirmation function
• Digital signal processing function
Also, the PFC circuit is provided inside.
The A-3600D Series mixer amplifier is ideal for paging announcement and BGM applications in schools, offices,
and super markets.

3. FEATURES

• 4 kinds of power amplifier outputs: 60 W (A-3606D), 120 W (A-3612D), 240 W (A-3624D), and 480 W (A-3648D)
• Lightweight owing to the built-in digital power amplifier unit
• Emergency broadcast and priority broadcast activated by way of the control input (contact)
• Voice detection function that allows the priority broadcast to be activated by voice
• Priority setting function
• Remote confirmation function that allows you to confirm the unit's status through the web browser using a PC
• Switchable speaker output
A-3606D:
A-3612D, A-3624D, A-3648D: 4 to 16 Ω or 100 V line
• Zone selection buttons for making broadcasts to 2 zones
• Electronically-balanced 4 microphone inputs (MIC 1 to MIC 4) with input setting switches
• Fine sound adjustment possible by connecting a signal processor like an equalizer between the line output
and the power amplifier input
• Bass and treble tone control knobs
• Output level meter
• Master volume control knob to simultaneously adjust all input levels
• Remotely controllable master volume
• Built-in chime unit (1-note tone, 2-note tone, and ascending 4-note tone)
• Equipped with the following signal processing functions:
FBS (Feedback suppression function), Equalizer (3 points), Gate, Software volume, Limiter, and Ducker

4. HANDLING PRECAUTIONS

• In this system, settings and control of the unit are performed on a PC via LAN (Local area network). It is not
possible to perform them via the Internet.
• Some operations differ depending on this unit's power ON/OFF state. The table below shows the relationship
between the power ON/OFF state and the corresponding operation.
Power state
Not energized
Energized
(Power turned OFF)
Energized
(Power turned ON)
8 to 16 Ω or 100 V line
LED lighting state
CPU From
RUN Speaker
output
Unlit Unlit Disabled
Unlit Lit Disabled
Lit Lit Enabled
Normal broadcast Priority broadcast/
Emergency broadcast
From
Recording
output
Disabled Disabled
Disabled Occasionally possible
( Power is temporarily
Enabled Enabled
turned ON.)
Web
access
Disabled
Enabled
Enabled
5