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alternate for KA2410 IC for creating a different bell sound

alternate for KA2410 IC for creating a different bell sound

alternate for KA2410 IC for creating a different bell sound

  I use KA2410 IC in a simple intercom circuit ( not a push to talk but a handset one ) to create bell sound from the speaker of handset , the intercom works on 18 Volts.
  Now i want to know what other IC qualities or varities are avaiable for this purpose which can produce better results than KA2410.
   Like one i found is DBL 5002 but it does not effect the sound quality of bell or conversion.
    My objective is to produce as strong and different bell sound as possible while not changing the circuit and only playing with the components.

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