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Old 21st December 2012, 12:11 PM   #11
shreya is offline shreya  India
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Quote:
Originally Posted by madtecchy View Post
Lots on here have a look around
Suggest me one of them
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Old 21st December 2012, 12:43 PM   #12
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There is a wide range of semi finished products here

AMP +SMPS - Purchase High Quality AMP +SMPS Products from Amplifier store on Aliexpress.com
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Old 21st December 2012, 05:22 PM   #13
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to uncle Charly :

A gig is a live performance of usually musicians that ''been there before'' maybe not 100% pros but lets say ""have their way around it "".

Though the closer definition of a gig means that musicians come from far away most of the times , while at 9999.999% of the cases they are going to arrive late,have no time for proper rehearsal, argue with the sound engineer for unknown reasons ,perform the show , please the audience ( which wasnt properly informed of the program and the duration so anything they get is good ), then argue with the club owner or producers about the above reasons plus the way too many extra drinks they had but still grab the money and hit the road to far away again ... for the next gig ...

happy regards
sakis
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Last edited by east electronics; 21st December 2012 at 05:26 PM.
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Old 21st December 2012, 05:42 PM   #14
johnr66 is offline johnr66  United States
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What speakers and how many, how big are your gigs? Hi power amps need careful design and layout or they can pop in the middle of a gig and even damage your speakers if protection isn't included. Plenty of designs here in the forums.
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Old 22nd December 2012, 08:14 AM   #15
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900W H-class PA Amp with Limiter
500W PA amplifier with Limiter
Not hard to find, are they? There are more there at Apexaudio's threads too.
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Old 22nd December 2012, 08:29 AM   #16
wahab is offline wahab  Algeria
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When playing on stage i used a 2 x 100W RMS amp with lateral fets as my
monitoring amp , a big advantage since there is no quiescent current concern
and the devices are extremely rugged.

Main sound was devoted to class H using SMPS , though.

Last edited by wahab; 22nd December 2012 at 08:32 AM.
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Old 22nd December 2012, 09:20 AM   #17
JMFahey is offline JMFahey  Argentina
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Quote:
Suggest me one of them
Dear shreya, we are *beginning* to know, please explain more.
Are you talking about a band PA/DJ/mobile/fixed sound?
What speakers are you going to use? How many? Etc.
Now we have agreed on what "gig" means, but it can be anything from a few quiet acoustic or Jazz musicians to a heavy metal band making averybody deaf 2 blocks around.
Thanks.

PS: how about parts access and construction skills?
We can suggest you something, but then maybe you can't find the parts or transformer or cabinet, heatsinks, etc.
Besides the purely electronics side, in big amps there is a considerable "mechanical" work included.
Just to have an idea of what you'll meet, search the Apex Audio threads where they explain how to make a 500W and a 900W amp.
There are many more threads covering 100W up amplifiers.

Last edited by JMFahey; 22nd December 2012 at 09:29 AM.
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Old 22nd December 2012, 12:44 PM   #18
shreya is offline shreya  India
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Quote:
Originally Posted by johnr66 View Post
What speakers and how many, how big are your gigs? Hi power amps need careful design and layout or they can pop in the middle of a gig and even damage your speakers if protection isn't included. Plenty of designs here in the forums.
Hi! John
I will use two pairs of 12inch 200watt 8ohms speakers.
Quote:
Originally Posted by JMFahey View Post
Dear shreya, we are *beginning* to know, please explain more.
Are you talking about a band PA/DJ/mobile/fixed sound?
What speakers are you going to use? How many? Etc.
Now we have agreed on what "gig" means, but it can be anything from a few quiet acoustic or Jazz musicians to a heavy metal band making averybody deaf 2 blocks around.
Thanks.

PS: how about parts access and construction skills?
We can suggest you something, but then maybe you can't find the parts or transformer or cabinet, heatsinks, etc.
Besides the purely electronics side, in big amps there is a considerable "mechanical" work included.
Just to have an idea of what you'll meet, search the Apex Audio threads where they explain how to make a 500W and a 900W amp.
There are many more threads covering 100W up amplifiers.
I have already made an amp ax-14 of apex
I need other amplifier which is better than ax-14 and should provide more power
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Old 22nd December 2012, 12:47 PM   #19
shreya is offline shreya  India
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Join Date: Aug 2010
Location: Andhra Pradesh
Quote:
Originally Posted by wahab View Post
When playing on stage i used a 2 x 100W RMS amp with lateral fets as my
monitoring amp , a big advantage since there is no quiescent current concern
and the devices are extremely rugged.

Main sound was devoted to class H using SMPS , though.
Hi!
could you please provide a schematic of 100W RMS amp that you have used
Is that amplifier is from this forum?
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