Toa 900 II Series Operating Instructions Manual
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Toa 900 II Series Operating Instructions Manual

Mixer preamplifier
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TOA 900 SERIES II
MIXER PREAMPLIFIER
TO REDUCE THE RISK OF ELECTRICAL
SHOCK, DO NOT REMOVE COVER.
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
All manuals and user guides at all-guides.com
TOA Corporation
Operating Instructions
M-900MK2
THE
LIGHTNING
FLASH
ARROWHEAD WITHIN A TRIANGLE IS
INTENDED TO TELL THE USER THAT
PARTS INSIDE THE PRODUCT ARE A
RISK
OF
ELECTRIC
SHOCK
PERSONS.
THE EXCLAMATION POINT WITHIN A
TRIANGLE IS INTENDED TO TELL
THE
USER
THAT
IMPORTANT
OPERATING
AND
SERVICING
INSTRUCTIONS ARE IN THE PAPERS
WITH THE APPLIANCE.
WITH
TO

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Summary of Contents for Toa 900 II Series

  • Page 1 All manuals and user guides at all-guides.com Operating Instructions TOA 900 SERIES II MIXER PREAMPLIFIER M-900MK2 LIGHTNING FLASH WITH ARROWHEAD WITHIN A TRIANGLE IS INTENDED TO TELL THE USER THAT PARTS INSIDE THE PRODUCT ARE A RISK ELECTRIC SHOCK PERSONS.

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com Contents General description Features Nomenclature Front panel Rear panel Input connections Output connections Muting and remote volume control connection Rack mounting Operation Volume adjustment Tone control adjustment Installation Servicing Specifications Appearance — 2 —...

  • Page 3: General Description

    All manuals and user guides at all-guides.com General Description The TOA M-900MK2 Mixer Preamplifier controls and mixes up to eight independent input signals and delivers up to +20 dBm of output power. Optional plug-in modules are available for use with the M-900MK2 to provide versatility for a wide choice of operating applications.

  • Page 4: Nomenclature

    All manuals and user guides at all-guides.com Nomenclature < Front Panel > Power Switch Input Volume Controls Applies line power. Two-position push button Adjust gain of input #1 ~ #8 respectively. switch for on/off modes. Bass Control Power Indicator LED Modifies bass response.

  • Page 5: Rear Panel

    All manuals and user guides at all-guides.com < Rear Panel > AC Power Cord Bridging Input/Output Connects to power source. This terminal is used as a mixing bus. Mixing is achieved when the similar terminal of another AC Outlet (Unswitched) amplifier is connected to this terminal.

  • Page 6: Input Connections

    All manuals and user guides at all-guides.com Input Connections These are eight INPUT PORTS for PLUG-IN MODULES. Select the desired modules for each application. Plug the modules into the INPUT PORTS. Slide them between the guide rails and secure with two screws. CAUTION : Modules should not be inserted or removed while the amplifier is turned on.

  • Page 7: Muting And Remote Volume Control Connection

    All manuals and user guides at all-guides.com Muting and Remote Volume Control Connection POTENTIOMETER 10k OHMS Remote volume control connection limiting front panel master volume control range. Rack Mounting To mount the amplifier in a standard 19" equipment rack, use the optional MB-25B rack mounting bracket. MB-25B Remove 4 screws securing case.

  • Page 8: Operation

    Upon receipt of the amplifier shipment, please inspect for any damage incurred in transit. If damage is found, please notify your local TOA representative and the transportation company immediately. State date, nature of damage, whether any damage was noticed on the shipping container, prior to unpacking.

  • Page 9: Specifications

    All manuals and user guides at all-guides.com Specifications Type 8-channel mixer preamplifier Rated Output +4 dBm, +20 dBm (max.) 30 ~20,000 Hz, +20 dBm 0.5% THD Power Band Width 25 ~20,000 Hz, +18 dBm 0.5% THD Frequency Response 20 ~20,000 Hz, ± 1 dB Total Hamonic Distortion 0.01% at 1 kHz, rated output Eight Input Ports : Each port accepts any input module.

  • Page 10: Appearance

    All manuals and user guides at all-guides.com Appearance < Front View > < Rear View > < Side View > < Top View > — 10 —...
  • Page 11 All manuals and user guides at all-guides.com TOA Corporation KOBE, JAPAN PRINTED IN TAIWAN 133-12-115-50...

This manual is also suitable for:

M-900mk2

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