PS connection for AMP9 - diyAudio
Go Back   Home > Forums > Amplifiers > Class D

Class D Switching Power Amplifiers and Power D/A conversion

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 16th March 2007, 03:21 PM   #1
diyAudio Member
 
Join Date: Jan 2007
Location: NJ
Send a message via Yahoo to tobebu02
Default PS connection for AMP9

Hi,
I'm ordering an AMP9 from 41Hz, and I also have this PS:
http://www.partsexpress.com/pe/showd...number=122-620
Can anyone pllease show me how to connect the PS to the Amp? which wire goes to AC1 and which one to AC2?
Question 2: A note in the Assembly Instruction for the AMP9 mention about a correct direction of the diodes, is there any indication on the PCB or on the parts that I have to follow when assembling the amp. Please let me know how, or is there any info in the forum; so i can do a search and read. The AMP kit will be delivered soon, next week, I hope.
Sorry, i'm new at this.
Thank you for your help.
  Reply With Quote
Old 17th March 2007, 03:47 AM   #2
v-bro is offline v-bro  Netherlands
diyAudio Member
 
v-bro's Avatar
 
Join Date: May 2006
The transformer has two 18V outputs, I think the best thing to do is use an extra rectifier and parallel both 25.38Vdc outputs of the rectifiers and connect the outputs to the buffercaps....

Maybe you can ask Jan to send one extra....or you can have mine as I don't use it....
__________________
Max. cone displacement can be several foot on any speaker!Too bad it can be done only once......
  Reply With Quote
Old 17th March 2007, 09:58 AM   #3
diyAudio Member
 
Join Date: Jan 2007
Location: NJ
Send a message via Yahoo to tobebu02
V-Bro,
So I can use only 1 PS output and connect the wires (black & red) direct to the amp, and don't need the rectifier; is that right?
Thank you
  Reply With Quote
Old 17th March 2007, 10:26 AM   #4
diyAudio Member
 
Join Date: Jan 2007
Location: NJ
Send a message via Yahoo to tobebu02
"Maybe you can ask Jan to send one extra....or you can have mine as I don't use it...."
Thank you V-Bro, you are very kind. I'll contact you in case I need one.
Thank again.
  Reply With Quote
Old 17th March 2007, 03:35 PM   #5
v-bro is offline v-bro  Netherlands
diyAudio Member
 
v-bro's Avatar
 
Join Date: May 2006
Quote:
Originally posted by tobebu02

So I can use only 1 PS output and connect the wires (black & red) direct to the amp, and don't need the rectifier; is that right?
You do need the on board rectifier offcourse, but you can use only one output of the transformer for as far as I know... or maybe it is better to put some kind of load to the second output, but I don't think it's necessary.... But it would be a waste of half the tranny....I would grab the extra power, a rectifier bridge doesn't cost much, but again I'd be happy to put it on the mail for you The one I have is will be exactly the same...
  Reply With Quote
Old 17th March 2007, 04:56 PM   #6
diyAudio Member
 
Join Date: Jan 2007
Location: NJ
Send a message via Yahoo to tobebu02
Quote:
Originally posted by v-bro


....I would grab the extra power, a rectifier bridge doesn't cost much, but again I'd be happy to put it on the mail for you The one I have is will be exactly the same...
V-Bro,
i'm under restriction, newbie i guess, so I don't see your email here. Please email me, tuyetti@yahoo.com. I will reply you with my home address.
Thank you
  Reply With Quote
Old 17th March 2007, 05:24 PM   #7
v-bro is offline v-bro  Netherlands
diyAudio Member
 
v-bro's Avatar
 
Join Date: May 2006
I sent you a mail....
  Reply With Quote
Old 17th March 2007, 07:37 PM   #8
diyAudio Member
 
Join Date: Jan 2007
Location: NJ
Send a message via Yahoo to tobebu02
Will keep you update with the amp building. And will have more question too. Very appriciate your help.
Thank you,
  Reply With Quote
Old 17th March 2007, 08:01 PM   #9
v-bro is offline v-bro  Netherlands
diyAudio Member
 
v-bro's Avatar
 
Join Date: May 2006
I was doubtfull as to whether the secondaries on the tranny could be parallelled without problems, but look here http://www.partsexpress.com/pdf/avelspecs.pdf

At the bottom of the pdf there's a schematic for it...

Just connect the black and orange together and the red and yellow together and simply connect it to the amp....
  Reply With Quote
Old 23rd March 2007, 01:05 PM   #10
diyAudio Member
 
Join Date: Jan 2007
Location: NJ
Send a message via Yahoo to tobebu02
Default AMP9 picture, please!

Can anyone pleae post pictures of your finished and working AMP9. I'm assembling the AMP now, but not sure which is a right direction for the 16 diodes (rectangular shape and near the IC ) on top and bottom of the of the PCB. Closed up pictures on the diodes which reference to the IC are big help.
Thank you
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Amp9 with SMPS (my first class-d) sharpi31 Class D 15 25th April 2008 04:46 AM
Paralleling AMP9 jringels Class D 0 12th February 2007 01:32 PM
Mean Well SMPS with Amp9? nilsomat Class D 4 3rd January 2007 05:34 PM
What toroid for a 41Hz AMP9?? Albertone Class D 1 28th December 2006 04:42 PM


New To Site? Need Help?

All times are GMT. The time now is 05:31 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2