Contents
Main
TOA 900 SERIES II MIXER POWER AMPLIFIER
Operating Instructions A-903MK2 A-906MK2 A-912MK2
TOA Corporation
Contents
Nomenclature
Front panel
Rack mounting
Volume adjustment
Features
5. Excellent output regulation
7. Bridging input/output
11. A full range of plug-in modules 12. Portable or rack mounting type
Nomenclature
Front Panel
Power Switch
Power Indicator LED
Signal Indicator LED
Rear Panel
AC Power Cord
AC Outlet (Unswitched)
Output terminals
Impedance Select Switch
Input Connections
Output Connections (A-903MK2)
To connect speakers to outputs of : 4 ohms, 25V or 70V (BALANCED OUTPUT)
To connect speakers to 8-ohm output (UNBALANCED DIRECT OUTPUT)
Output Connection (A-906MK2/A-912MK2)
To connect speakers to outputs of : 8 ohms, 25V or 70V (BALANCED OUTPUT)
To connect speakers to 4-ohm output (UNBALANCED DIRECT OUTPUT)
Loosen the screw.
Remove 4 screws securing case.
Rack Mounting
Amplifier
Operation
Volume Adjustment
Tone Control Adjustment
Installation
Servicing
Specifications
Output Power
Preamp OUT/Power Amp IN
Signal to Noise Ratio
Tone Controls
Appearance (A-903MK2)
Top View
Appearance (A-906MK2/A-912MK2)
Top View
TOA Corporation
