140W IGB power amplifier HIFI

Monday, August 11th, 2008

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As collect power amplifier hifi circuit come to many the circuit. Today I begs for to advise the circuit that uses IGB be important equipment. And still give tall drive arrives at 140W interesting good. This circuit still very bias keep well be amp class AB. At power shape the loud [...]

120W rms power amp OCL Transistor bipolar

Saturday, August 2nd, 2008

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A friend takes an interest to want to try build hi-fi power Amplifier the some one. He likes model class AB , because the sound is good. keen bass good distinct.I chooses this circuit gives him sees , be power Amplifier hi-fi OCL 120W rms sizes really,if use power [...]

80 Watt IC LM3875 Audio Amplifier

Tuesday, July 15th, 2008

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This Audio power Amplificator will deliver 80 watt of audio into an 8 Ohm load. The LM3875 IC devices should be suitably heatsinked. Note that the amplifier is a bridged circuit, with both speaker leads “hot”.
Note:
You should use supply Voltage about +/- 25Volt at do not lower 2-3A.
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