Toa M-1264 M-1212E Operating Instructions Manual
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Toa M-1264 M-1212E Operating Instructions Manual

1000 series stereo mixer
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STEREO MIXERS
TOA 1000 series
CAUTION
TO REDUCE THE RISK OF ELECTRICAL
SHOCK,
DO
NOT
NO USER SERVICEABLE PARTS INSIDE.
REFER
SERVICING
SERVICE
PERSONNEL
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.
REMOVE
COVER.
TO
QUALIFIED
TOA Corporation

OPERATING INSTRUCTIONS

M-1264
M-1212E
THE
LIGHTNING
ARROWHEAD WITHIN A TRIANGLE IS
INTENDED TO TELL THE USER THAT
PARTS INSIDE THE PRODUCT ARE A
RISK
OF
ELECTRIC
PERSONS.
THE
EXCLAMATION POINT
TRIANGLE IS INTENDED TO TELL THE
USER
THAT
IMPORTANT OPERATING
AND
SERVICING INSTRUCTIONS
IN
THE
PAPERS
APPLIANCE.
FLASH
WITH
SHOCK
TO
WITHIN A
ARE
WITH
THE

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Summary of Contents for Toa M-1264 M-1212E

  • Page 1: Operating Instructions

    STEREO MIXERS TOA 1000 series CAUTION TO REDUCE THE RISK OF ELECTRICAL SHOCK, REMOVE NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING SERVICE PERSONNEL 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 ARROWHEAD WITHIN A TRIANGLE IS INTENDED TO TELL THE USER THAT...

  • Page 2: Table Of Contents

    CONTENTS Handling Precautions General Description Features Nomenclature (Front Panel) Nomenclature (Rear Panel) Input Transformer Mounting Phantom Power Supply Input and Output Specifications Block Diagrams and Level Diagrams Specifications Accessories Appearance HANDLING PRECAUTIONS Operating voltage is 120V AC ± 10% (120 V version) or 220-240V AC ± 10% (220-240 V version). Avoid using the power voltage exceeding these ranges.

  • Page 3: General Description

    GENERAL DESCRIPTION The TOA M-1264 is a 19" rack-mountable stereo mixer with multiple inputs and outputs. Inputs can be expanded by using the M-1212E expansion unit. FEATURES Six monaural inputs (expandable using the M-1212E), four stereo inputs and one auxiliary stereo input. One each of output: stereo, group (L/R), stereo sum, monitor (L/R), AUX, and headphone.

  • Page 4: Nomenclature (Front Panel)

    NOMENCLATURE [Front Panel] [M-1264] (Main unit) [M-1212E] (Expansion unit) Stereo output level control [STEREO] Adjusts the level to send out a mixed input signal from the stereo bus to the stereo output. This control can be remotely operated. Group output level control [GROUP] Adjusts the level to send out a mixed input signal from the group bus to the group output.
  • Page 5 Aux output level control [AUX] Adjusts the level of signals going to the AUX output. Monitor output level control [MONITOR] Adjusts the level to transmit a signal from the stereo bus or cue bus to the monitor output and headphone output. Cue indicator [CUE] Lights when any cue switch is pressed, indicating that the cue bus signal is being sent to both the monitor and headphone outputs.

  • Page 6: Nomenclature (Rear Panel)

    NOMENCLATURE [Rear Panel] [M-1264] (Main unit) [M-1212E] (Expansion unit) Input level selection switches [LINE/MIC/MIC (HPF) ] Set each monaural input level for Line, Mic or Mic with highpass filter. Monaural input XLR connectors [MONO INPUT 1~6 (M-1264) /1~12 (M-1212E) ] This electronically-balanced input can be changed to the transformer-balanced type using an optional input transformer.
  • Page 7 Monitor output phone jacks [MONITOR OUT L, R] Unbalanced monitor output. Stereo output XLR connectors [STEREO OUT L, R] Electronically-balanced stereo output. Stereo/group send selection switch Four-step selection switch. • STEREO TO GROUP position: Sends the stereo bus signal to the group bus. •...

  • Page 8: Input Transformer Mounting

    INPUT TRANSFORMER MOUNTING CAUTION THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO. REFER ALL SERVICING TO QUALIFIED SERVICE PERSONNEL The M-1264's (M-1212E's) monaural inputs are electronically balanced.

  • Page 9: Phantom Power Supply

    Matching Transformer Specifications Model Impedance Frequency response Constant loss Distortion * 0 dB = 0.775 Vrms PHANTOM POWER SUPPLY CAUTION THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO.

  • Page 10: Input And Output Specifications

    INPUT AND OUTOUT SPECIFICATIONS Input/Output Line Monaural Input Mic (with HPF) Stereo Input (L, R) Auxiliary Stereo Input (L, R) Stereo Output (L, R) Sum Output Group Output (L, R) Monitor Output (L, R) AUX Output Stereo Mixing Group Mixing Mixing Output (M-1212E) AUX Mixing...

  • Page 11: Block Diagrams And Level Diagrams

    BLOCK DIAGRAM AND LEVEL DIAGRAM...
  • Page 12 [M-1212E]...

  • Page 13: Specifications

    SPECIFICATIONS Model Frequency Response Total Harmonic Distortion (1)When minimum position. Stereo Output : - 100 dB or less (2) When the stereo volume control is in maximum position and all other controls in minimum position. Stereo Output : Noise Level —98 dB or less (Only M-1264 used) (IHF- A) —92 dB or less (Both M-1264 and...

  • Page 14: Appearance

    APPEARANCE [M-1264] [M-1212E]...
  • Page 16 TOA Corporation Printed in Japan 133-12-150-2B...

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M-1264

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