Toa MA-725F Operating Instructions Manual
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Toa MA-725F Operating Instructions Manual

Matrix pre/amplifier
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MATRIX AMPLIFIER
MATRIX PRE-AMPLIFIER
Thank you for purchasing TOA's Matrix Amplifier.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
TOA Corporation

OPERATING INSTRUCTIONS

MA-725F
MM-700F

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Summary of Contents for Toa MA-725F

  • Page 1: Operating Instructions

    OPERATING INSTRUCTIONS MATRIX AMPLIFIER MA-725F MATRIX PRE-AMPLIFIER MM-700F Thank you for purchasing TOA's Matrix Amplifier. Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment. TOA Corporation...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS SAFETY PRECAUTIONS GENERAL DESCRIPTION FEATURES HANDLING PRECAUTIONS INSTALLATION PRECAUTIONSS NOMENCLATURE AND FUNCTIONS [Front] [Rear] CONNECTION EXAMPLES CONNECTION 9.1. Removable Terminal Plug Connection 9.2. How to Connect Input Signals 9.3. Speaker Output Signal Connections 9.4. MOH Output Connections 9.5.

  • Page 3: Important Safety Instructions

    1. IMPORTANT SAFETY INSTRUCTIONS • Read these instructions. • Keep these instructions. • Heed all warnings. • Follow all instructions. • Do not use this apparatus near water. • Clean only with dry cloth. • Do not block any ventilation openings. Install in accordance with the manufacturer's instructions. •...

  • Page 4: Safety Precautions

    AC outlet and contact power supply cord. In addition, avoid using the power your nearest TOA dealer. Make no further attempt to cord in close proximity to heaters, and never place operate the unit in this condition as this may cause heavy objects -- including the unit itself–on the power...
  • Page 5 • When Installing the Unit Contact your TOA dealer as to the cleaning. If dust is • allowed to accumulate in the unit over a long period of Never plug in nor remove the power supply plug with time, a fire or damage to the unit may result.
  • Page 6 • Ne pas toucher la fiche du cordon d'alimentation secteur et contacter le représentant TOA le plus pendant un orage - Risque d'électrocut. proche. Ne pas essayer pas d'utiliser l'appareil dans ces conditions sous peine de provoquer un incendie...

  • Page 7: General Description

    3. GENERAL DESCRIPTION TOA's MA-725F matrix amplifier and MM-700F is all-in-one solution for multi-channel or multi-zone applications combined 6x4 audio matrix, DSP and 4ch Class-D amplifier (*) into one chassis. It is equipped with 4 independent line inputs, 2 MIC/LINE priority inputs. Each output has independent DSP preset adjustment also comes with input source matrix selection.

  • Page 8: Features

    • Each output channel is equipped with 250W Class-D amplifier at 70V/100V output voltage selectable with independent DSP preset selection and 50Hz HPF for the protection of connected speakers. (*) • Selectable DSP preset selections include general EQs, like Loudness curves, TOA speaker EQs and crossover settings to be used with sub-woofers.

  • Page 9: Installation Precautions

    6. INSTALLATION PRECAUTIONS • When mounting the unit in an equipment rack, the inside of the rack must be sufficiently ventilated. To achieve sufficient ventilation, remove all panels on the rear of the rack. • When mounting the unit in the rack, also mount a Perforated Panel larger than 1U in size (1) at the top and the bottom of the rack, and (2) above and below every 5 units.

  • Page 10: Nomenclature And Functions

    7. NOMENCLATURE AND FUNCTIONS [Front] POWER SIWITCH [ON /OFF] Press this switch to turn on the amplifier, press the switch again to turn off the amplifier. POWER INDICATOR [POWER] (Blue) During the power on process the indicator flashes, after amplifier is ready, the indicator lights. CH1 OUTPUT LEVEL CONTROL Adjust CH1 output level Note: The functionality of CH2, CH3, CH4 is the same as CH1.

  • Page 11: [Rear]

    The led will light with respect to the input select by the INPUT SELECT SWITCH (5) other channel which is not selected will turn off. Note: The functionality of CH2, CH3, CH4 is the same as CH1. (*) MA-725F only [Rear]...
  • Page 12 11. AC inlet Connect the supplied power cord to this inlet. The socket-outlet should be installed near the equipment and the plug (disconnected device) shall be easily accessible. 12. Functional ground terminal [SIGNAL GND] Hum noise may be generated when external equipment is connected to the unit. Connecting this terminal to the functional ground terminal of the external equipment may reduce the hum noise.
  • Page 13 19. MUTE SENSE control (PRIORITY 1, PRIORITY 2) Adjust the threshold (sensitivity) of the mute function of the PRIORITY 1, PRIORITY 2 inputs. In other words, if PRIORITY 1, PRIORITY 2 input signal exceed the threshold that set by MUTE SENSE, it will mute the LINE 1, LINE 2, LINE 3, LINE 4 signal to CH1, CH2, CH3, CH4 outputs.
  • Page 14 33. SPEAKER OUTPUT TERMINAL (CH1, CH2, CH3, CH4) MA-725F: 70V/100V output (select by the 70V/100V OUTPUT MODE SWITCH (26)), removable terminal block type. Connect to speaker. MM-700F: 600Ω, 0dB*, removable terminal block type. Line level output. * 0 dB = 1Vrms (*) MA-725F only...

  • Page 15: Connection Examples

    8. CONNECTION EXAMPLES MA-725F...
  • Page 16 MM-700F...

  • Page 17: Connection

    9. CONNECTION 9.1. Removable Terminal Plug Connection Cautions • Be sure to use shielded cables for audio signal lines. • Avoid soldering cable conductor, as contact resistance may increase when the cable is tightened and the solder is crushed, possibly resulting in an excessive rise in joint temperatures. •...

  • Page 18: How To Connect Input Signals

    9.2. How to Connect Input Signals 9.2.1. LINE 1, LINE 2, LINE 3, LINE 4 connections L and R line signals are mixed inside the unit. 9.2.2. PRIORITY 1 and PRIORITY 2 connections Use the supplied Small type removable terminal plug (5 pins) for connection. PRIORITY 1 and PRIORITY 2 can be set to MIC or LINE input.

  • Page 19: Moh Output Connections

    9.3.1. High-impdedance 70V line speaker connections (*) 9.3.2. High-impdedance 100V line speaker connections (*) 9.4. MOH Output Connections Use the supplied removable terminal plug (3 pins) for connection. 9.5. LINE output connections Auxiliary line level output for zone expansion.

  • Page 20: Remote Control Equipment Connections

    9.6. Remote Control Equipment Connections 9.6.1. Manual muting terminal connections If a no-voltage contact is connected, closing the contact allows the pre-determined input channel volume to be reduced by a preset level of attenuation. If a microphone with a contact is connected as shown in Connection (p. 12), the audio of other channels will be muted for as long as the microphone’s talk switch is pressed.

  • Page 21: Muting Functions

    9.6.3. Remote terminals (RJ-45) connections Each channel’s volume and input selection could be remotely adjusted by WP-700 remote module. (*) MA-725F only 10. MUTING FUNCTIONS The unit’s priority/mute (paging) functions is to mute the LINE 1, LINE 2, LINE 3, LINE 4 signal that routed to CH1, CH2, CH3, CH4’s outputs and then route PRIORITY 1 or PRIORITY 2 signals to outputs.

  • Page 22: Auto Mute

    Step 2. Shorting the manual mute terminal (+), (-): When shorting manual mute terminal (+), (-): the LINE 1, LINE 2, LINE 3, LINE 4 signal that have been routed to assigned page channel CH1, CH2, CH3, CH4’s outputs will be muted, and route PRIORITY 1 or PRIORITY 2 signals to outputs.

  • Page 23: Priority Mix

    10.3 Priority Mix Step 1. Set the PRIORITY MIX 1+2 switch on ON (Right) OFF (Left) PRIORITY 1 and PRIORITY 2 will be mixed and output to CH1, CH2, CH3, CH4 when mute activated. The PRIORITY The PRIORITY 1 has the higher priority level than PRIORITY 2. FUNCTIONAL DIP SWITCH (20), MUTE SENSE control (18), When There is mute function activated.

  • Page 24: Eq Preset Selections

    Note. Use the ASSIGNMENT RESTRICTION DIP SWITCH to prevent the unwanted source to be selected to the output. 11.1.2 INPUT SELECT SWITCH [Rear using WP-700] Step 1.Connect different music source (CD players, mp3 players, tape recorders…) to LINE 1, LINE 2, LINE 3, LINE 4 respectively. Step 2.
  • Page 25 Preset 13 Preset 14 Preset 15 Subwoofer LPF/HPF 3 Full Range with subwoofer 1 Full Range with subwoofer 2 Filter Gain(dB) Freq(Hz) Filter Gain(dB) Freq(Hz) Filter Gain(dB) Freq(Hz) Preset 16 Full Range with subwoofer 3 Filter Gain(dB) Freq(Hz) Bank2: Preset 1 Preset 2 Preset 3 Flat...
  • Page 26 Preset 16 HS-1500 Filter Gain(dB) Freq(Hz) 1.3k 2.1k 4.5k Bank3: Preset 1 Preset 2 Preset 3 Flat Acoustic Bass Booster Filter Gain(dB) Freq(Hz) Filter Gain(dB) Freq(Hz) Filter Gain(dB) Freq(Hz) LSHELV HSHELV -3.1 Preset 4 Preset 5 Preset 6 Bass Reducer Classical Dance Filter...
  • Page 27 Bank4: Preset 1 Preset 2 Preset 3 Flat Spoken Words Treble Booster Filter Gain(dB) Freq(Hz) Filter Gain(dB) Freq(Hz) Filter Gain(dB) Freq(Hz) -3.6 LSHELV -3.1 2.5k HSHELV 2.5k Preset 4 Preset 5 Preset 6 Treble Reducer Vocal Booster F-1000 Filter Gain(dB) Freq(Hz) Filter Gain(dB)

  • Page 28: Using The Wp-700 Remote Controller

    11.3 Using the WP-700 remote controller 11.3.1 Connecting the WP-700 Connect WP-700 to the REMOTE CH1, CH2, CH3, CH4 RJ-45 port. The front panel REMOTE indication will light if there is WP-700 connected. 11.3.2 Remote Volume Control and Input Selection Step 1.

  • Page 29: Rack Mounting Bracket Attachment

    (over 75°C) decreases. (<65°C) Temperature rise Amplifier shut down Four indicators of at power supply or the corresponding power amp heat sink channel extinguish. (over 85°C) (*) MA-725F only...

  • Page 30: Block Diagrams

    14. BLOCK DIAGRAMS MA-725F...
  • Page 31 MM-700F...

  • Page 32: Dimensional Diagram

    15. DIMENSIONAL DIAGRAM...

  • Page 33: Specifications

    16. SPECIFICATIONS ■SPECIFICATION (* 0dB = 1V) Model Number MA-725F Power Source 100 - 240V AC, 50/60Hz 1350 W (rated output), 200 W (based on cULus standards), 42.5 W (idle), Power Consumption 22 W or less (Stand-by) Frequency Response 20Hz - 20 kHz (-3dB / +1dB, LPF OFF)
  • Page 34 ■SPECIFICATION (* 0dB = 1V) Model Number MM-700F Power Source 100 - 240V AC, 50/60Hz Power Consumption 9W or less Frequency Response 20Hz - 20 kHz (-3dB / +1dB) Total Harmonic Distortion 1% or less, at 1kHz, rated output Certification cULus 60065, EN60065, EN55032, EN55020, FCC part15 class A Mic -60dB* / Line -10dB* selectable, 2.2kΩ, electrically balanced, Input...

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Mm-700f

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