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500W PA amplifier with Limiter
500W PA amplifier with Limiter
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Old 21st April 2010, 10:08 PM   #111
apexaudio is offline apexaudio  Serbia
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Default Protect

PA Protect Schematic
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File Type: jpg APEX PA PROTECT.jpg (226.1 KB, 4806 views)

Last edited by apexaudio; 21st April 2010 at 10:11 PM.
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Old 22nd April 2010, 12:50 AM   #112
elgafary is offline elgafary  Egypt
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Sorry I'm not that good to speak English only of simple expressions
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I respect both know sincerely
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Old 22nd April 2010, 01:12 AM   #113
apexaudio is offline apexaudio  Serbia
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Originally Posted by elgafary View Post
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
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Old 22nd April 2010, 07:32 AM   #114
engel dela pena is offline engel dela pena  Philippines
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apex;
working b500
good sonics
i'll drink for this one;
cheers
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File Type: jpg DSC03876.JPG (169.9 KB, 3319 views)
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Old 22nd April 2010, 08:37 AM   #115
apexaudio is offline apexaudio  Serbia
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Quote:
Originally Posted by engel dela pena View Post
apex;
working b500
good sonics
i'll drink for this one;
cheers
That was fast work. Congratulation!
Cheers

Last edited by apexaudio; 22nd April 2010 at 08:46 AM.
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Old 22nd April 2010, 11:01 AM   #116
engel dela pena is offline engel dela pena  Philippines
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Quote:
Originally Posted by apexaudio View Post
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
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Old 22nd April 2010, 11:14 AM   #117
apexaudio is offline apexaudio  Serbia
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Quote:
Originally Posted by engel dela pena View Post
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?
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Old 22nd April 2010, 03:12 PM   #118
apexaudio is offline apexaudio  Serbia
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Originally Posted by apexaudio View Post
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
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Old 22nd April 2010, 03:33 PM   #119
engel dela pena is offline engel dela pena  Philippines
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Quote:
Originally Posted by apexaudio View Post
What speakers you have?
jblsrx18s clone
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Old 22nd April 2010, 03:46 PM   #120
apexaudio is offline apexaudio  Serbia
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Quote:
Originally Posted by engel dela pena View Post
jblsrx18s clone
This is 18inch subwoofer? Try B500 on full range speakers, and you will hear crystal clear sound.
Regards

Last edited by apexaudio; 22nd April 2010 at 03:48 PM.
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