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ELECTRONIC
CONTROL UNIT
CONNECTING PRECAUTIONS
Be sure to provide a power amplifier, 300W
with this unit.
Use of less than 300W power amplifier with not maintain primary capabilities and will
lead to failures of the connecting speakers.
The AC-M1 control unit is designed for use exclusively with the SR-M1 and SR-M2
floor monitor speaker systems. Do not use other speakers than the SR-M1 and
SR-M2.
Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend you to keep this manual handy for future reference.
OPERATING INSTRUCTIONS
or more output to use in connection
TOA Corporation
AC-M1
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Related Manuals for Toa AC-M1
Summary of Contents for Toa AC-M1
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Page 1: Operating Instructions
Use of less than 300W power amplifier with not maintain primary capabilities and will lead to failures of the connecting speakers. The AC-M1 control unit is designed for use exclusively with the SR-M1 and SR-M2 floor monitor speaker systems. Do not use other speakers than the SR-M1 and SR-M2. -
Page 2: Table Of Contents
Contents User care General description Features Panel facilities [Front view] [Rear view] Connection Basic block diagram Back wiring connection with external equipment Installation Block diagram Specifications Accessories Appearance... -
Page 3: User Care
General description The AC-M1 control unit is designed for use with the SR-M1 and SR-M2 floor monitor speaker systems. This electronic control unit provides the channel divider to divide respective frequency range between the... -
Page 4: Features
Features Time lag between speaker units in the speaker system is corrected. Provided the frequency dividing network function. Accorded with phase at the crossover frequency. Limiter is provided to prevent the speaker units from over-driven and damage in each frequency range and not to arise power amplifier clipping. -
Page 5: Panel Facilities
Input level control (INPUT LEVEL 1, 2) Adjusts the AC-M1 's input level. When adjusting the input level, set this control to maximum position (10), and the gain control of each power amplifier for woofer and driver unit to 26dB. -
Page 6: [Rear View]
[Rear view] Input connector (INPUT1, 2) Input connector for signal is used the electronically balanced XLR type connector. Low output connector (LOW OUT 1, 2) Output connector to the power amplifier for low frequency range is used the electronically balanced XLR type connector. -
Page 7: Connection
Connection Basic block diagram Back wiring connection of with external equipment Mixer/Preamplifier Mixer/Preamplifier AC-M1 Power amplifier Power amplifier... -
Page 8: Installation
Installation FC (Floor Correction) switch The AC-M1 features the Floor Correction function which minimizes the influence of reflected waves produced when the speaker is directly installed on the floor. When a floor monitor speaker is used, direct sound (A) and reflected sound (B) are both heard simultaneously at the listening point, as shown in Fig. -
Page 9: Block Diagram
Block diagram... -
Page 10: Specifications
Accessories Fuse (0.63A 120V AC version / 0.2A 220V~240V AC version) Warranty card (for USA and Canada only) Operating instructions AC-M1 Electronically balanced (Cannon XLR-3-31 or equivalent) (Balanced) +4dB (Pin No.3 : HOT, No.2 : COLD and No.1 : GND) -
Page 11: Appearance
Appearance... - Page 12 Printed in Japan TOA Corporation 133-12-154-80...
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