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Old 13th February 2008, 04:20 PM   #1
clovi_kate is offline clovi_kate  Philippines
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Default Need 600Watts Or Greater

hi!
i need power amplifiers having 500watts RMS or greater..

500watts RMS or greater @4ohms(1channel)
all bipolar transistors from small stage to output
and the speakers to be drive are 2pcs crown 18" ranges 500-1000W
so 4speakers all for 2channels

What will be its Vrails for this specs?

anyone have this design that matches this?
Thanks!!!
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Old 13th February 2008, 05:44 PM   #2
Bruce@bluff is offline Bruce@bluff  South Africa
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Hello Clovi Kate,
I am busy building a 600 watt rms design based on the elektor
pa300 circuit. I will post the circuit and pictures when have completed and tested it.
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Old 13th February 2008, 05:56 PM   #3
tinitus is offline tinitus  Europe
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Default Re: Need 600Watts Or Greater

Quote:
Originally posted by clovi_kate
hi!
What will be its Vrails for this specs?

Thanks!!!

Sounds like you should look at "Aussie Amp"
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Old 14th February 2008, 05:17 AM   #4
TheMG is offline TheMG  Canada
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How about some UCD700's?

At >500W RMS /channel you're going to be pumping out an awful lot of heat with a class AB design. Definitely a good reason to go down the class D route. I'm not saying it's not doable, it most definitely is possible, but personally I wouldn't like having that much heat to put up with.
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Old 14th February 2008, 02:47 PM   #5
clovi_kate is offline clovi_kate  Philippines
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Default re

ok guys i will wait for anyone who has it..
just post it in her and all those peoples who do have comments and willing for that design would be appreciated..

could anyone guys show the schematics?..

thanks..
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Old 15th February 2008, 12:26 PM   #6
audiomachines is offline audiomachines  Philippines
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@clovi kate

The pa600. You may contact AMT-Freak who is a well respected member in here in our forum for further details and don't forget to say please cheers.

Best Regards,
audiomachines
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File Type: pdf pa600.pdf (58.6 KB, 192 views)
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Old 17th February 2008, 09:11 AM   #7
Bruce@bluff is offline Bruce@bluff  South Africa
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I am busy building AMT's pa600 module it has +/- 80v rails
with mj15024/24 in the output stage
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Old 17th February 2008, 06:37 PM   #8
AndrewT is offline AndrewT  Scotland
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Hi,
Is that one , two, or four amplifiers to drive the four speakers?
600W into 4ohms is equivalent to 69.3Vpk into your speaker.
To achieve this you will need at least +-75Vdc but more likely +-80Vdc.
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Old 17th February 2008, 08:01 PM   #9
stoN_Cold is offline stoN_Cold  Serbia
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Default Hi!

Does AMT-Freak change his nick name?

Regards zeoN_Rider
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