500W PA amplifier with Limiter - Page 205

ElektronicarPG · 29th May 2012, 09:08 AM

What is this last picture? Is it an amplifier? What kind it its?

charlestpt · 29th May 2012, 02:47 PM

What will happen when I change C5 from 470pf to 560pf in B500

masood · 29th May 2012, 02:53 PM

dear apex sir,
what are the wattage of amplifier used in big cinema theater ?can i look that type of system used in that.which type of transistors are used in that.thanks

kamranyousaf · 30th May 2012, 06:58 AM

Quote:

Originally Posted by andrewlebon

Hi Nazirdigi
greetings did you manage to test your tef b500 heres the pcb
which schematic are you following
warm regards
andrew lebon

Great work sir...

andrewlebon · 30th May 2012, 07:00 AM

hi Nazirdigi
greetings something wrong with tef tried it today
warm regards
andrew lebon

andrewlebon · 30th May 2012, 07:10 AM

Hi Nazirdigi
greetings please can you post which schematic you following
warm regards
andrew lebon

nazirdigi · 30th May 2012, 06:30 PM

Quote:

Originally Posted by andrewlebon

Hi Nazirdigi
greetings please can you post which schematic you following
warm regards
andrew lebon

hi andrew lebon,
i am following these schematic.

nazirdigi · 31st May 2012, 02:27 AM

B500 TEF IN PROGRESS.

nazirdigi · 11:59 PM

hi apex sir, pls help,
in b500 protection section can i connect 22k resistor to any one of the outputs of 1943 emitter.
in the image it connect to last output of 1943 emitter. is it possible?

can i use emitter resistor .22/5w instead .33/5w.?

nazirdigi · 1st June 2012, 07:36 PM

hi apex sir,
can i test with two pairs of output with 50vdc in tef.

30th May 2012, 07:00 AM	#2045
andrewlebon diyAudio Member Join Date: Feb 2008	hi Nazirdigi greetings something wrong with tef tried it today warm regards andrew lebon __________________ [image][/image]"It's Better to try and fail than to never know and always wonder"

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29th May 2012, 09:08 AM	#2041
ElektronicarPG diyAudio Member Join Date: Nov 2011	What is this last picture? Is it an amplifier? What kind it its?

29th May 2012, 02:47 PM	#2042
charlestpt diyAudio Member Join Date: May 2012	What will happen when I change C5 from 470pf to 560pf in B500

29th May 2012, 02:53 PM	#2043
masood diyAudio Member Join Date: Dec 2010 Location: fatehpur	dear apex sir, what are the wattage of amplifier used in big cinema theater ?can i look that type of system used in that.which type of transistors are used in that.thanks

1st June 2012, 07:36 PM	#2050
nazirdigi diyAudio Member Join Date: Oct 2009	hi apex sir, can i test with two pairs of output with 50vdc in tef.