MULTIMEDIA SPEAKER

    

 

MAKE A MULTIMEDIA SPEAKER FROM OLD ELECTRONIC COMPONENTS

This is a speaker made using components salvaged from an old damaged speaker.

By using several filter circuits the audio is made very clear.

WORKING PROCEDURE 

The IC used here is YG2025, an audio power amplifier. There are two op-amps inside the circuit. For this project only one op-amp is used. The pins of the other op-amp is grounded.

By using the operational amplifier along with various capacitors an audio amplifier is created 

which is then connected to a speaker.

Keep in Mind:

• Capacitors should be of near values as to the ones shown in the schematic.
• The IC YG2025 is salvaged from an old speaker and might not be available on the market
  
• Resistors of at least 100 Ohms must be placed in series with the LED to avoid any damage to the LED.
  

THE COMPONENTS

• IC-YG2025                           
• LED:--> BLUE X1 [ according to your wish ]      
• 100uF ELECTROLYTIC CAPACITOR X3
• 4.7nF CERAMIC CAPACITOR X1
• 100nF CERAMIC CAPACITOR X1
• 470uF ELECTROLYTIC CAPACITOR X2     
• 1uF ELECTROLYTIC CAPACITOR X1     
• RESISTOR 100 Ohms - X3 
• RESISTOR 4.4 KOhms - X3
• 3.5mm AUDIO JACK- ( MALE)
• SPEAKER 
  
• DC SOURCE ( 6 - 12 ) volts
• BREAD BOARD
• SWITCH
  
• WIRES    
  

SCHEMATIC