450W@8 Ohms Mosfet amp schematics needed - diyAudio
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Old 2nd January 2006, 03:59 PM   #1
ZuMbAiU is offline ZuMbAiU  Bulgaria
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Unhappy 450W@8 Ohms Mosfet amp schematics needed

Hi everybody.I try to find any schematics of the A.H. AV800 but i cant.
I can`t buy his kit because i am from Bulgaria and can`t use the shipping.
I want make any DIY project with MOSFET`s.I have two 450W @8Ohms Drivers for this,but i can`t find any good schematics.
The AV800 is good may be for me but if i can`t find the schematics,this project is only a dream for me.
Srrr for the bad english
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Old 2nd January 2006, 04:23 PM   #2
MikeB is offline MikeB  Germany
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You could have googled...

http://schforfree.seedhost.com/archi...lifiers-linear
Goto the 800watt RMS mosfet amplifier.

Mike
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Old 2nd January 2006, 04:28 PM   #3
edl is offline edl  Hungary
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Dear ZuMbAiU,

450W/8ohm means about +100V/-100V rails!
I think its better to bridge 200-250W/4ohm amps.

Regards,
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Old 2nd January 2006, 05:16 PM   #4
ZuMbAiU is offline ZuMbAiU  Bulgaria
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Thank`s
MikeB
You are the guy may be for this category,but I have one very big question :
If I have big Drivers AV800 is for me?
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Old 2nd January 2006, 06:31 PM   #5
MikeB is offline MikeB  Germany
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Hi, i can't answer you the question if you need that much power... Having drivers rated at 450watts (i guess you mean speakers ?) does not mean you must attach an amp with 450watts to it.
Is this your first amp project ? If yes, i suggest to start with an amp not using lethal voltages...
Is this amp for homeuse ? Or for an SPL-contest ?

Mike
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Old 2nd January 2006, 07:01 PM   #6
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You could check www.ampslab.com for pcb's or for inspiration.

Hypex is also an alternative, 400 or 700 W from a small cute unit.

www.hypex.nl
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Old 2nd January 2006, 08:10 PM   #7
ZuMbAiU is offline ZuMbAiU  Bulgaria
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MikeB can you help me to find the AV800 PCB design.For the moment this the problem or ...?
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Old 2nd January 2006, 08:18 PM   #8
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Quote:
Originally posted by MikeB
You could have googled...

http://schforfree.seedhost.com/archi...lifiers-linear
Goto the 800watt RMS mosfet amplifier.

Mike
link doesn't work
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Old 2nd January 2006, 08:37 PM   #9
MikeB is offline MikeB  Germany
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Quote:
Originally posted by bremen nacht


link doesn't work
For me, it does...

Mike
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Old 2nd January 2006, 10:13 PM   #10
ZuMbAiU is offline ZuMbAiU  Bulgaria
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Mike your bandwich limit is daily or mounthly?
Can you PM`me with the PCB,because is very big and I can`t construct him.
This is my first project in the audio.I am may be a PC hardware fan ,but the sound is very big think for me.
I am with a 2xSony spakers+2xVRF=500Ws RMS,and amp Behringer.
But i want kill the time with this project and may be 2 15` Prodrivers+2 big horns and this all...
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