Description

TOA 700 Series Integrated Mixer/Amplifier offers versatile features and outstanding value for installed sound applications such as boardrooms, educational facilities, houses of worship and many others. The 700 Series model lineup includes the A-706 (60 W), A-712 (120 W), and A-724 (240 W); all manufactured with proven TOA quality and reliability.

Features include six mic/line inputs, two auxiliary line inputs and a 900 Series module port. Each mic/line input includes a mic trim control and 23 VDC phantom power. Speaker outputs consist of 70.7 V, 25 V and 4 ohm. An auxiliary line output can be used for recording or connection to an external booster amplifier.

An Auto-Mute function provides voice-activated priority override. You can assign inputs to activate or respond to the muting function with rear panel DIP switches. Muting can also be activated with an external switch-closure. Other features include channel and master volume controls, bass/treble, processor insert jacks and output level meter. Master volume and power on/off can also be controlled remotely. Short-circuit and thermal protection circuitry ensures extended operation.

Optional accessories include the MB-25B rack-mount kit and YA-920 volume control security knob. The 700 Series is UL and cUL listed with competitive pricing and a Five year warranty.

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Product Specifications

Operating Instructions

Spec Sheet

Amplifier Guide

Nine Channel Integrated Mixer/Amplifiers for paging and background/foreground music distribution

Proven TOA Quality and Reliability with wide frequency response, very low noise and distortion, and excellent output regulation

Three Models:

• A-706 (60 W)
• A-712 (120 W)
• A-724 (240 W)

Six Mic/Line Inputs, balanced, with mic trim, 23 VDC phantom power and removable terminal block connector

Two Auxiliary Inputs, unbalanced, with dual-RCA jacks for convenient connection of stereo sources

Module Slot accepts 900 Series plug-in modules with additional features

Transformer-Isolation for Telephone Paging Applications (Input #1)

25 V, 70.7 V and 4 Ohm Speaker Outputs with removable terminal block connector

Auto-Mute Priority Function assignable via external switches

• Channels 1-3 and Module configurable as Mute Send
• Channels 1-8 and Module configurable as Mute Receive

Auto-Mute SENSE Control for adjusting mute activation threshold

External Mute Terminals for activating mute function with external switch-closure

Individual Channel and Master Volume Controls

Bass/Treble Tone Controls

Output Level Meter and Power Indicator

Remote Master Volume controlled with an external 10k ohm linear-taper potentiometer

Auxiliary Output for connecting an external amplifier or recording device

Pre-amp. Out / Power Amp. In Insert Jacks for connecting external signal processors

Remote AC Turn-On for activating power with an external switch-closure>

Turn-On Delay disconnects output during power-up

Over-current and Thermal Protection Circuitry prevents potential damage from overloads, short-circuit and overheating

Detachable IEC-type AC Power Cord

Volume Control Security Knobs Included (4)

Optional Rack-Mount Kit, model MB-25B (2 RU)

Optional Input Transformer: Model IT-455 can be added to Input 2 and/or Input 3 if necessary. (1) IT-455 is required for each channel.

An Insulator Sheet TOA part number 131-27-700-90 is required for each IT-455 to be installed.

A qualified technician and soldering are required for installation of the IT-455 with insulator. Contact TOA Technical Services – Product Support Group at (800) 733-4748 Option 2 for installation instructions and/or to arrange installation (for a fee) at the TOA Repair Center.

UL/cUL Listed.

Five year warranty

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