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Old 7th December 2010, 12:28 PM   #1021
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Originally Posted by yohnsee View Post
Hy everyone! I finally finished the metalwork with the B500 heatsinks, and could start one of the amps. As soon as I have time, I'll post pictures of it, but at the moment all I can say is: WOW! This sounds great. As far as I can only try it on my 50w kenwood hifi speakers, it is very powerful and has excellent sound (for my ears). So thank you Apex for sharing this with us, and as soon as I can I will post pictures.
Bye
Good news. You can use hi-fi speakers for test, B500 is PA amp with hi-fi sound.
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Old 7th December 2010, 03:39 PM   #1022
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PSU-7 is for MOSFET amplifier with 4xIRFP240/9240 in thread MOSFET Amplifier IRFP240/IRFP9240 post #333.
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sir apex do you the have copper side drawing of psu-7
thanks.
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Old 7th December 2010, 05:09 PM   #1023
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sir apex do you the have copper side drawing of psu-7
thanks.
MOSFET Amplifier IRFP240/IRFP9240 post #196
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Old 7th December 2010, 07:47 PM   #1024
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Originally Posted by apexaudio View Post
Thanks for share, I like modern version, do you planing to buid it?
In fact, it has been already made but i didnt got enough time to post the pics.
here are some of the pics. It really sounds great.
Thanks apex. thanks alot.
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Old 7th December 2010, 08:23 PM   #1025
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In fact, it has been already made but i didnt got enough time to post the pics.
here are some of the pics. It really sounds great.
Thanks apex. thanks alot.
Thanks for pics, nice work. What is PSU specification, and what speakers are used for the test?
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Old 7th December 2010, 08:49 PM   #1026
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Thanks for pics, nice work. What is PSU specification, and what speakers are used for the test?
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PSU is around 50-0-50 and 500VA IR2110 based. speaker I used are pioneer 4E DVC champion series 12" with 1200w peak power input and 400w nominal (TS-W307D4). That's what I have presently. however I have also tested the amp on a 600w 12" full range spk and it sound well at almost full power without any auidable distortion

Last edited by jash2008; 7th December 2010 at 08:53 PM.
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Old 7th December 2010, 10:45 PM   #1027
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PSU is around 50-0-50 and 500VA IR2110 based. speaker I used are pioneer 4E DVC champion series 12" with 1200w peak power input and 400w nominal (TS-W307D4). That's what I have presently. however I have also tested the amp on a 600w 12" full range spk and it sound well at almost full power without any auidable distortion
Without limiter?
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Old 8th December 2010, 03:03 PM   #1028
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hello apex sir
pls tell me one thing if in case L.S of my b500 is short circuit what will happen .

is protection work?
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Old 8th December 2010, 04:41 PM   #1029
thole is offline thole  Indonesia
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thanx for apex,,,,,,,,!!!!
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Old 8th December 2010, 06:46 PM   #1030
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Without limiter?
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