500W PA amplifier with Limiter - Page 222

wiljj78 · 5th August 2012, 05:12 AM

Quote:

Originally Posted by JojoD818

Awesome looking wind tunnel heatsink you got there...

Thanks.. Yeah..I salvage those from Bouyer AR 1150 Amp. from scrap.

wiljj78 · 09:07 AM

Mr. Mile,

Can you suggest PA protect for B500, i saw you post you don't recommend below protect for B500 and H900.

What is the correct protect to use for B500 or H900???

APEX PA Protect Stereo layout.jpg

APEX PA Protect Stereo Schm.jpg

Regards,

Maxmud · 5th August 2012, 09:15 AM

Quote:

Originally Posted by wiljj78

Mr. Mile,

Can you suggest PA protect for B500, i saw you post you don't recommend below protect for B500 and H900.

What is the correct protect to use for B500 or H900???

Regards,

Protection is used with B500 and H900.
Protects against DC and temperature. Protection against short-circuit is bad, it will not save the amplifier from damage.

wiljj78 · 09:21 AM

Quote:

Originally Posted by Maxmud

Protection is used with B500 and H900.
Protects against DC and temperature. Protection against short-circuit is bad, it will not save the amplifier from damage.

Ok, but i dont undestand why he don't recommend the PA stereo protect for B500 and H900 anyway Thanks Maxmud...

Maxmud · 5th August 2012, 09:54 AM

There is nothing wrong with using one stereovariante no protection, it will work well. But in idelae protection should be a separate amplifier for each channel. For accuracy and stability of operation.

JojoD818 · 5th August 2012, 11:15 AM

Quote:

Originally Posted by wiljj78

Thanks.. Yeah..I salvage those from Bouyer AR 1150 Amp. from scrap.

You are lucky, I have been meaning to make my own tunnel heatsink for as long as I can remember.

wiljj78 · 5th August 2012, 12:41 PM

Quote:

Originally Posted by Maxmud

There is nothing wrong with using one stereovariante no protection, it will work well. But in idelae protection should be a separate amplifier for each channel. For accuracy and stability of operation.

I got it!! meaning if i use separate protection for each channel it will only cut off accordingly when there's a fault occur either one of them, it make sense to me now...

Thanks you....

DAMANHURI · 7th August 2012, 04:09 PM

one of my favorite power APEX B500. I made a 3D version

apexaudio · 7th August 2012, 04:38 PM

Quote:

Originally Posted by DAMANHURI

one of my favorite power APEX B500. I made a 3D version

Nice work.

Junie · 7th August 2012, 05:00 PM

AlexMM, any chance your expertise in PCB layout can be seen in B500.

5th August 2012, 09:00 AM	#2212
wiljj78 diyAudio Member Join Date: Mar 2012 Location: Bahrain	Stereo Protect Mr. Mile, Can you suggest PA protect for B500, i saw you post you don't recommend below protect for B500 and H900. What is the correct protect to use for B500 or H900??? APEX PA Protect Stereo layout.jpg APEX PA Protect Stereo Schm.jpg Regards, Last edited by wiljj78; 5th August 2012 at 09:07 AM.

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5th August 2012, 09:54 AM	#2215
Maxmud diyAudio Member Join Date: Mar 2010	There is nothing wrong with using one stereovariante no protection, it will work well. But in idelae protection should be a separate amplifier for each channel. For accuracy and stability of operation.

7th August 2012, 05:00 PM	#2220
Junie diyAudio Member Join Date: Sep 2010 Location: Dubai, UAE	AlexMM, any chance your expertise in PCB layout can be seen in B500.