Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Class D Switching Power Amplifiers and Power D/A conversion

Sonic Impact 5066 Parts List & Modifications
Sonic Impact 5066 Parts List & Modifications
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 14th September 2009, 03:57 AM   #631
calvin14 is offline calvin14  Singapore
diyAudio Member
 
Join Date: Apr 2009
Quote:
Originally Posted by Sharkythefrog View Post
Or just use a 75 Ohm antenna cable for each single wire in the construction. Connect the shield to its inside wire only on the "sending side" of the signal. Ex left input live will have the shield connected at the connector side, and itīs "zero" will have the shiled connected at the board side.

Much easier than building your own shield - better shield and better sound. (even if its not as good sounding as a four twinned cable).
I don't quite understand this. can anyone explain?
  Reply With Quote
Old 14th September 2009, 04:31 AM   #632
Pano is offline Pano  United States
diyAudio Moderator
 
Pano's Avatar
 
Join Date: Oct 2004
Location: SW Florida
Sonic Impact 5066 Parts List & Modifications
Quote:
Originally Posted by speaker View Post
Glad to see you are still posting panomaniac!
Thanks! I'm still around. I read but don't post much here. Don't want to stifle the creativity! There are so many good ideas here now.

And anyway, I'm up to my armpits in T-Amps already. It's not as much "fun" for me as it used to be.
  Reply With Quote
Old 20th September 2009, 07:30 AM   #633
calvin14 is offline calvin14  Singapore
diyAudio Member
 
Join Date: Apr 2009
I'm about done with my amp. Will post up some pictures for references soon. I did the stealth mod, and it turned out very well, except i accidentally removed a neighbouring SM cap, and it took me half an hour to find it cos i dropped it on the floor, and another half an hour to solder it back. phew. Very low static noise, nice bass gains.

But still, how do i ground the board to the casing???
  Reply With Quote
Old 20th September 2009, 09:54 AM   #634
Puffin is offline Puffin  United Kingdom
diyAudio Member
 
Join Date: Feb 2006
Location: U.K
I see that these 5066's are still available used on Amazon ($70 wow). I am suprised that there are still any around. I modded a few a few years ago. I have just taken an original SI out of a case so that I can use it for something else. It has the Classic mod done on it. If anyone wants it send me a PM to discuss.
  Reply With Quote
Old 20th September 2009, 10:05 AM   #635
irishpatrick33 is offline irishpatrick33  United States
diyAudio Member
 
Join Date: Feb 2009
Quote:
Originally Posted by GR8FLPT View Post
Is there a place where all the mods besides classic & stealth mods are in just one list/spot (like 1 page instead of all over the place) with a link to pics (yea I'm asking a lot) I have been going over this thread of 60 + pages & the links to the other threads & pages.
Just when I think I have it all nailed down, I find some other mod that someone is trying.
I second the sentiment.

I just bought a Dayton DTA-1 amp, which is a duplicate of the original SI t-amp. And I read 60+ pages of lots of info over years. At this point, I have nothing nailed down perfectly in my battle plan either.

I don't see much reference to PSU upgrades. It seems that's the main limiter in perfomance too.
  Reply With Quote
Old 27th September 2009, 12:57 PM   #636
calvin14 is offline calvin14  Singapore
diyAudio Member
 
Join Date: Apr 2009
3 days of work. with all that can go wrong went wrong.

...finally it's done...

with it's trends 10.1 on top.
Click the image to open in full size.
Click the image to open in full size.

a look at its guts. upgraded with alps. 2 new input caps. 2xpanasonic fm (1600uF 16V). Initially i soldered 1 onto the board. it was too tall and i couldn't close the casing. it took 1 hours of surgery to get it out and put 2 by the side with all the wires set.
Click the image to open in full size.
Click the image to open in full size.

the volume knob led.
Click the image to open in full size.
Click the image to open in full size.

i wouldn't recommend such massive mods to a board so DIY unfriendly.
list of screwups:
1) accidentally ripped off a SMT cap (think it was c6).
2) ripped off the led pads, all 3 of them. led was soldered to the power terminals and switch.
3) melted the led 1k5 load resistor.
4) led leads not insulated from casing. blew 2 of them.
5) when finally everything is fixed, couldn't close the casing cause the new pana FM cap sits too high.

after so much mods, it must therefore sound nice. i think. but can't really remember how it used to sound like. nevertheless, it looks nicer now.
Click the image to open in full size.
  Reply With Quote
Old 22nd November 2009, 05:13 PM   #637
musicfreak is offline musicfreak  United Kingdom
diyAudio Member
 
Join Date: Apr 2004
Location: London
Hello,

I managed to break the input pad and C62 on a rev. D board. Does anyone ha a diagram of this board or the value for this cap? Is the stealth mod going to bypass this cap too?

Thanks.
Regards.
  Reply With Quote

Reply


Sonic Impact 5066 Parts List & ModificationsHide 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

Forum Jump


New To Site? Need Help?

All times are GMT. The time now is 01:01 AM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.00%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright ©1999-2017 diyAudio
Wiki