500W PA amplifier with Limiter

[apexaudio]

PA Protect Schematic

[elgafary]

Sorry I'm not that good to speak English only of simple expressions

[apexaudio]

Originally Posted by elgafary

Sorry I'm not that good to speak English only of simple expressions

I hope this forum help you to learn more English, and more about electronic,
Regards

[engel dela pena]

apex;
working b500
good sonics
i'll drink for this one;
cheers

[apexaudio]

Originally Posted by engel dela pena

apex;
working b500
good sonics
i'll drink for this one;
cheers

That was fast work. Congratulation!
Cheers

[engel dela pena]

Originally Posted by apexaudio

That was fast work. Congratulation!
Cheers

i still envy to those who manage to get IR2117,
but i still have tlo72 step driver to make
thanks to you apex

[apexaudio]

Originally Posted by engel dela pena

i still envy to those who manage to get IR2117,
but i still have tlo72 step driver to make
thanks to you apex

What speakers you have?

[apexaudio]

Originally Posted by apexaudio

PA Protect Schematic

PA Protect include:
1 Anticlick 5sec delay
2 DC cut-out
3 Thermal cut-out on 90deg
4 Fan high speed on 60deg
5 Over current protect (power-on reset)

Conectors:
1 2x18V 500mA AC
2 +/-15V DC stab for XLR circuit
3 PRO overcurrent detect
4 Protect LED
5 Thermal sensor BD241C as diode on heatsink
6 24V DC Fan cooler (12V for low speed)
7 Speaker IN/OUT

[engel dela pena]

Originally Posted by apexaudio

What speakers you have?

jblsrx18s clone

[apexaudio]

Originally Posted by engel dela pena

jblsrx18s clone

This is 18inch subwoofer? Try B500 on full range speakers, and you will hear crystal clear sound.
Regards