Speaker Protection Circuit kit

Wednesday, September 24th, 2008
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If you are one person at fears a loudspeaker and power amplifier. Be damaged I begs for to advise Speaker Protection Circuit KIT. Convenient for friends at not convenient seek buy the equipment and do PCB by oneself. When you buy this Electronic KIT. It is help give testimony [...]

Protection Circuits for Audio Amplifiers

Saturday, June 7th, 2008
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The photovoltaic isolator makes for a simple, easy, way to turn the two units on or off because the voltage-source side of the isolator rides along with the source terminals while the LED side may be tied to any level necessary for operation. To turn the “relay” on, just force current through the LED. To [...]

Loudspeaker Protection with Soft Start

Monday, June 11th, 2007
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This is a small protection circuit from loudspeakers, from DC voltage that likely to exist after some damage in the power amplifier. If a DC voltage is presented in the exit of amplifier, RL1 it interrupts immediately the line of loudspeakers preventing thus to reach in he. Parallel [...]