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T-B240
MIXER AMPLIFIER
USB
SD
SD/MEDIA
MIC1 INPUT
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.
PUBLIC ADDRESS SYSTEM
MIC 1
AUX 1
0
10
0
MODE
BASS
TREBLE
-10
+10
-10
MIXER AMPLIFIER
AUX 2
PROT
OL
POWER
100V
CLIP
70V
SIG
10
0
10
MASTER
ON
OFF
+10
0
10
T-B120
T-B240

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Summary of Contents for ITC T-B120

  • Page 1 PUBLIC ADDRESS SYSTEM T-B120 T-B240 MIXER AMPLIFIER T-B240 MIXER AMPLIFIER AUX 2 MIC 1 AUX 1 PROT POWER 100V CLIP MODE SD/MEDIA BASS TREBLE MASTER MIC1 INPUT Please follow the instructions in this manual to obtain the optimum results from this unit.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. SAFETY PRECAUTIONS ..................3 2. GENERAL DESCRIPTION ..................5 3. FEATURES .......................5 4. NOMENCLATURE AND FUNCTIONS 4.1 Front Panel ......................6 emote control......................6 4.3 Rear Panel....................... 7 5. OPERATION ILLUSTRATION ................8 TROUBLESHOOTING ....................11 7. APPLICATIONS ..................... 12 8.BLOCK DIAGRAM ....................13 9.SPECIFICATIONS ....................
  • Page 3: Safety Precautions

    1. SAFETY PRECAUTIONS Be sure to read the instructions in this section carefully before use. Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included. We also recommend you keep this instruction manual handy for future reference. Safety Symbol and Message Conventions Safety symbols and messages described below are used in this manual to prevent bodily injury and property damage which could result from mishandling.
  • Page 4 SAFETY PRECAUTIONS When the Unit is in Use When Installing the Unit Do not place heavy objects on the unit as this may Never plug in nor remove the power supply plug cause it to fall or break which may result in with wet hands, as doing so may cause electric personal injury and/or...
  • Page 5: General Description

    2. GENERAL DESCRIPTION This is a mini desktop constant pressure amplifier, with beautiful appearance, light weight, easy to carry, and it can be used for background music and radio in family, leisure cafes, classrooms, and other small indoor venues. 3. FEATURES 1.
  • Page 6: Nomenclature And Functions

    4. NOMENCLATURE AND FUNCTIONS 4.1 FRONT PANEL T-B120 MIXER AMPLIFIER MIC 1 AUX 1 AUX 2 PROT POWER 100V CLIP MODE SD/MEDIA BASS TREBLE MASTER MIC1 INPUT 4 5 6 MIC1 input The Power switch SD/MMC card port Power indicator light revious track/volume down 12.
  • Page 7: Rear Panel

    4. NOMENCLATURE AND FUNCTIONS 4.3 REAR PANEL OUTPUT OUTPUT INPUT 70V/ COM COM COM 100V EMC IN AUDIO AUX2 AUX1 FM ANT MUTE 100V 21 22 AC power input socket 19. Cooling fan 20. 100V / 70V speaker output switch 21.
  • Page 8: Operation Illustration

    5. OPERATION ILLUSTRATION 1.Connect the speakers: ①When the 100V and 70V selector switch to ②When the 100V and 70V selector switch to 70V position, as shown below: 100V position, as shown below: OUTPUT OUTPUT 70V/ 70V/ COM COM COM 100V COM COM COM 100V 100V...
  • Page 9 5. OPERATION ILLUSTRATION Microphone using: 1.Turning the volume knob to the left,Connect the microphone and microphone input interface. 2.Turning the volume knob in the right position. 3.Facing the microphone and Speak loudly, turn the volume knob to the right, until the output signal no longer distortion.If input is high but output is low voice, and then increase the volume by using the volume knob.If the speaker volume is very high, then reduce the volume by using the volume knob.
  • Page 10 5. OPERATION ILLUSTRATION 7.Mobile phone bluetooth operation method: ①Press the MODE button on the MP3 player and set to bluetooth MODE. " " ②Enter the mobile phone Settings, find the bluetooth related Settings. ③Click on the bluetooth switch, turn on the bluetooth, if already turned on, then ignore. Because mobile phone system is different, setting interface may be a little different.
  • Page 11: Troubleshooting

    6. TROUBLESHOOTING Failure phenomena Failure cause 1 Power line is cut off 1. Power switch is not opened 2. The protection function of the equipment is not activated 1. The power switch is not opened or the power plug is bad contacted. 2.
  • Page 12: Applications

    7. APPLICATIONS REAR PANEL CONNECTIONS CD PLAYER 70V/100V Speakers CD PLAYER MIXER AMPLIFIER OUTPUT OUTPUT INPUT 70V/ COM COM COM 100V EMC IN AUDIO AUX2 AUX1 FM ANT MUTE MIC1 Input 100V AC Power Input STANDBY ALARM MODE PLAY RECORD PLAY External FM antenna REC in...
  • Page 13: Block Diagram

    8. BLOCK DIAGRAM...
  • Page 14: Specifications

    9. SPECIFICATIONS Model T-B120 T-B240 Rated Power Output 240W 120W 70V/100V Speaker Output Input Sensitivity& MIC input: + 5mV, unbalanced 6.3 connector Source Impedance AUX input: 350mV, unbalanced RCA connector Bass: 100Hz±10dB, Treble: 10KHz±10dB Tone Frequency Response 80Hz~16KHz(-3dB) S/N Ratio ≥75dB...
  • Page 15: Public Address System

    PUBLIC ADDRESS SYSTEM VersionV0.1...

This manual is also suitable for:

T-b240

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