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Chip Amps Amplifiers based on integrated circuits

Tda7293 voltage optimum
Tda7293 voltage optimum
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Old 17th April 2019, 01:54 AM   #1
santitrucco is offline santitrucco  Argentina
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Default Tda7293 voltage optimum

Hi , if i have a TDA7293 that work between 30v until 50v.

Which voltage is better for best sound ? lower or higher ?

Which better voltage for TDA IC operation ??

influences the sound ??

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Old 17th April 2019, 03:38 AM   #2
abraxalito is offline abraxalito  United Kingdom
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The best voltage will depend on what load impedance you're driving (4 or 8ohm for example) and how loud you need to play. In general its the power supply impedance which determines how a chipamp will sound - with lower voltage supplies you can get more uF into the available space and lower voltage caps are in general lower ESR.
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Old 19th April 2019, 10:03 AM   #3
nigelwright7557 is offline nigelwright7557  United Kingdom
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Originally Posted by abraxalito View Post
The best voltage will depend on what load impedance you're driving (4 or 8ohm for example) .
Be careful with high voltage and 4 ohms as you can easily take the chip amp outside its safe operating area.
So max voltage would be square root (amp max power * speaker impedance)
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