Audio amplifier

306

05:07:43

D class audio amplifier
 Efficiency 97%

published 8 years ago

hurz

8 years ago

Your filter does not match to 8Ohm its closer to 4Ohm, and exactly it would need 2.8Ohm which is not a common loudspeaker impedance.

fhcduvegvf

8 years ago

I Can Use 3 Parallel 8 Ohm speaker ?

hurz

8 years ago

More common is 560nF and 33uH for a single 4Ohm load. Loudspeaker in parralel is not a good idea. The impedance of a single one is already a nightmare but put three of them to drive .....

hurz

8 years ago

Or for 8Ohm 250nF and 68uH http://everycircuit.com/circuit/4877998666022912

aquif1990

7 years ago

Which opamp to use for audio purpose. Will the efficiency still be more than 90% if FET's are replaced by appropriate transistors

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