Chip Amp Photo Gallery - Page 133 - diyAudio
Go Back   Home > Forums > Amplifiers > Chip Amps

Chip Amps Amplifiers based on integrated circuits

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 18th January 2010, 09:34 AM   #1321
diyAudio Member
 
davidhugo's Avatar
 
Join Date: Mar 2009
Hi There
Your amp looks great. I am glad it sounds good as well. May I ask you a couple of questions as I am about to construct a Peter Daniel chip amp.

The 2 black ceramic caps which I presume are there to cut down switching on clicks? What value and voltage have you used?

Secondly the red caps shown on underside of the rectifier board are they Snubbers? Again what value have you used?

I would greatly appreciate this info before I start I want to completely try to understand what I am doing.
Many Thanks

dh
__________________
Power corrupts but powerlessness destroys you absolutely.
  Reply With Quote
Old 18th January 2010, 12:49 PM   #1322
udailey is offline udailey  United States
diyAudio Member
 
Join Date: Mar 2008
DH
Who are you talking to?
I dont see black ceramics on any recent pics but caps under a rectifier board would be snubbers and most likely if red they are Wima film caps of .1uf.
Voltage for any caps should be a minimum of 25% higher than the max voltage they will see. DC voltage will be 1.4 times higher than the AC voltage from the transformers secondaries.
Uriah
__________________
purchase LDRs anytime Also try my Resistor Replacers or LDR based Input Selector Email me. diyldr@gmail.com
  Reply With Quote
Old 18th January 2010, 05:14 PM   #1323
diyAudio Member
 
davidhugo's Avatar
 
Join Date: Mar 2009
Default Capacitor Questions

Quote:
Originally Posted by lanchile View Post
Hello I just add more juice to my integrated chip-amp.I had two "extra" Mundorf caps. so Now it has 20000uf per channel.The sound is wonderful.
Hi There.

Your amp looks great. I am glad it sounds good as well.

May I ask you a couple of questions as I am about to construct a Peter Daniel chip amp.

The 2 black Capacitors connected across the mains input terminal strips which I presume are there to cut down switching on clicks? What value and voltage have you used?

Secondly the red caps shown on underside of the rectifier board are they Snubbers? Again what value have you used?

I would greatly appreciate this info before I start I want to completely try to understand what I am doing.
Many Thanks

dh
__________________
Power corrupts but powerlessness destroys you absolutely.
  Reply With Quote
Old 18th January 2010, 05:16 PM   #1324
diyAudio Member
 
davidhugo's Avatar
 
Join Date: Mar 2009
Default Capacitor questions

Quote:
Originally Posted by udailey View Post
DH
Who are you talking to?

Hi I was trying to address lanchile;202963 but thanks for replying anyway

I dont see black ceramics on any recent pics but caps under a rectifier board would be snubbers and most likely if red they are Wima film caps of .1uf.
Voltage for any caps should be a minimum of 25% higher than the max voltage they will see. DC voltage will be 1.4 times higher than the AC voltage from the transformers secondaries.
Uriah
__________________
Power corrupts but powerlessness destroys you absolutely.
  Reply With Quote
Old 19th January 2010, 03:01 AM   #1325
diyAudio Member
 
Join Date: Feb 2003
Location: San Antonio, Texas
Here is a little something I put together over the weekend - LM3886

Click the image to open in full size.

Click the image to open in full size.
  Reply With Quote
Old 19th January 2010, 03:09 AM   #1326
troystg is offline troystg  United States
diyAudio Member
 
troystg's Avatar
 
Join Date: Apr 2004
Location: In a dream... Please don't wake me.
Nice case. Where'd you get it?

Side note: The slots appear to be contradictory in the pictures unless the bottom and top slots are off set.
__________________
Troy
Thinking positive doesn't make things better, it makes you a better person.
  Reply With Quote
Old 19th January 2010, 03:48 AM   #1327
diyAudio Member
 
Join Date: Feb 2003
Location: San Antonio, Texas
Quote:
Originally Posted by troystg View Post
Nice case. Where'd you get it?

Side note: The slots appear to be contradictory in the pictures unless the bottom and top slots are off set.
I bought the case (ATI-738U) from ATI Research back in 2007. It has been sitting on a shelf, so I decided to use it for this little weekend project.

The slot difference is an optical illusion. Top and bottom have center slots.
  Reply With Quote
Old 19th January 2010, 04:00 AM   #1328
diyAudio Member
 
Join Date: Feb 2003
Location: San Antonio, Texas
Here is a picture of my old LM3875TF amp I did back around 2006. Acrylic, aluminum with heat pipes.

Click the image to open in full size.
  Reply With Quote
Old 19th January 2010, 04:14 AM   #1329
Account disabled at member's request
 
MJL21193's Avatar
 
Join Date: Mar 2007
Quote:
Originally Posted by Wardsweb View Post
...with heat pipes.
Nice work!

Those "heat pipes" are pieces of hot water radiators.
Cool none the less.
  Reply With Quote
Old 19th January 2010, 04:46 AM   #1330
diyAudio Member
 
Join Date: Feb 2003
Location: San Antonio, Texas
Quote:
Originally Posted by MJL21193 View Post
Nice work!

Those "heat pipes" are pieces of hot water radiators.
Cool none the less.
I had no clue. I saw Peter Daniel use some years ago and liked the look. I got these off Ebay. The pig tweak add some bottom end to the music.

Click the image to open in full size.
  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



New To Site? Need Help?

All times are GMT. The time now is 02:35 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