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Class D Switching Power Amplifiers and Power D/A conversion

Sure Tripath 2*100 - How Rise Output Power
Sure Tripath 2*100 - How Rise Output Power
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Old 27th July 2011, 05:16 PM   #1
agrestic is offline agrestic
diyAudio Member
Join Date: Jul 2011
Default Sure Tripath 2*100 - How Rise Output Power


i use my Sure Tripath 2*100W for a sound system which sadly has a high impedanceand a low efficiency. So when I turn the volume all up, the music is still too quiet. I already tried to increase the input power, by using an small headphone amplifier (Fiio E3) for the input signal but the volume did not become much louder.

On the Board of the Sure amp the difference between one Volume swich on and both volume swiches on is, that the input signal goes through one 22k resistor oder through two of them in parallel. Is it possible to decrase this resistor again by e.g connecting another new 22k resistor or an even smaller one in parallel?

Are there other possibilities?

Thank you,
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Old 28th July 2011, 01:24 PM   #2
redkid is offline redkid  United States
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Join Date: Jan 2009
What power supply,,number of Volts/amps are you using to power the amplifier?
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