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Old 7th July 2006, 11:04 PM   #1
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Default ipa400

Hello
i used the search button and tried to find this amplifier but i couldn't find it

In my country this amplifier is used by allot of ussers

This design is similar to Mrs Hulton but not identical

What do you think about this amplifier???

i dont know why i can't atach a file because iti is only 224kb

Sorry for my bad englisch but i hope you will understand
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Old 7th July 2006, 11:50 PM   #2
flg is offline flg  United States
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vicelord, Are you talking about the "In Phase IPA400" 400W auto stereo amp??? I did an www search and that is all I saw???
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Old 8th July 2006, 01:30 AM   #3
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http://www.yousendit.com/transfer.ph...C667873BCB017B

this is what i was talking about i didn't find other place to upload it if iou can please upload it in here

ViceLord send his regards
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Old 8th July 2006, 02:47 AM   #4
flg is offline flg  United States
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O.K. I could get it... Lets see... I guess the non Horton schezmo???
Attached Files
File Type: pdf protel schematic.pdf (18.1 KB, 190 views)
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Old 8th July 2006, 02:53 AM   #5
flg is offline flg  United States
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I'm in a rush to get somewhere at the moment but, Is this a class AB or B or??? Just that, 70Volts on those 240s must mean realatively low bias current... those transistors seem to work very well up around 2A or so, but not at 70Volts!
I will take a look later... I have my own prototype to play with this weekend but I'll squeeze in some time...
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Old 8th July 2006, 08:25 AM   #6
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Hello the class of this amplifier si AB

The producer recomands to use only +/-70volts but you could use more than that for highter currents output

ViceLord send his regards
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Old 11th July 2006, 11:50 PM   #7
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thoes are some photos of my finished ipa400
today i should pick up a peavey cs400 to use as a box

Regards
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File Type: jpg 06-20-06_2208.jpg (33.5 KB, 273 views)
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Old 11th July 2006, 11:51 PM   #8
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and this is the pcb
i see that i can upload things now
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File Type: pdf bottomlayer.pdf (28.8 KB, 104 views)
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