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COMPLEX SPEAKER PROTECTION CIRCUIT SCHEMATIC CIRCUIT DIAGRAM

The loudspeaker protection circuit for transistor amps is a different development of the ” Delayed and Loud Speaker DC Protection Circuit ” application I have previously shared .

Features of the Speaker Protection Circuit; the speaker detects dc voltage leaks that may damage the speaker, disconnects the speaker connection, has an amplifier short circuit (overcurrent protection), overtemperature protection with thermostat and LED warning.

OLYMPUS DIGITAL CAMERA

OLYMPUS DIGITAL CAMERA

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COMPLEX SPEAKER PROTECTION CIRCUIT SCHEMATIC CIRCUIT DIAGRAM 4

COMPLEX SPEAKER PROTECTION CIRCUIT SCHEMATIC CIRCUIT DIAGRAM 5

COMPLEX SPEAKER PROTECTION CIRCUIT SCHEMATIC CIRCUIT DIAGRAM 6

-R and L pro locations must be connected to the emitter end of the tran from the + supply line in the transistor amps, before the output resistance. In other words, it is suitable for 2 + 2 trile amfil.

-Res resistances 12v for the relay to be calculated in 12v not exceed the election,

– The gnd line in the supply source must be taken from the starboard if the amplifier supply is different.

– Those who want to make a gnd connection from the screw pad for metal boxes can use it by jumping to the earth symbol located near the place where ‘ Earth ‘ is written and behind the LEDs.

-Term is a thermostat which is normally connected to 60-70 degree current (ie cold). If not used, it should be short-circuited.

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