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

Solid State Talk all about solid state amplification.

Post your Solid State pics here.
Post your Solid State pics here.
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 6th July 2009, 02:45 AM   #941
jwb is offline jwb  United States
diyAudio Member
 
jwb's Avatar
 
Join Date: Mar 2002
Location: San Francisco, USA
Send a message via AIM to jwb
They are "clipiola" spiral paper clips. Self-clamping and a pretty good R-theta.
  Reply With Quote
Old 6th July 2009, 02:49 AM   #942
Salas is offline Salas  Greece
diyAudio Chief Moderator
 
Salas's Avatar
 
Join Date: Oct 2002
Location: Athens-Greece
Post your Solid State pics here.
Very MacGyveristic!
  Reply With Quote
Old 6th July 2009, 04:21 PM   #943
dudaindc is offline dudaindc  United States
diyAudio Member
 
dudaindc's Avatar
 
Join Date: Sep 2005
Location: Metro Washington DC
Quote:
Originally posted by jwb
I'm getting pretty close to a working project on this preamp. Here's the board under the command of the mighty Atmel STK-500. The software can now change the input, change the coupling, and adjust the volume via my fancy rotary encoder. I still need to write more software to accept remote control commands and to drive the display and scan the front panel buttons.
Just awesome!
__________________
"All measurements are wrong! Thus, measurement is the art of handling errors."
  Reply With Quote
Old 6th July 2009, 04:38 PM   #944
FastEddy is offline FastEddy  United States
diyAudio Member
 
FastEddy's Avatar
 
Join Date: Jun 2006
Location: North Californie
jwb: Totally, totally !!!

Totally balanced I/O = too:

Got DAC?
  Reply With Quote
Old 6th July 2009, 08:23 PM   #945
alexkap is offline alexkap  United States
diyAudio Member
 
Join Date: Jul 2009
Click the image to open in full size.

This class A power amplifier with zero negative feedback and 5W output audio power was built based on the schematic of DIY CLASS A 2SK1058 MOS-FET AMPLIFIER project by Mark Houston.

The amplifier uses a custom handmade choke coil.
The power supply uses 4 x 15000 µF Towa capacitors designed for Adcom.
Two large heatsinks and one 88mm fan provide enough cooling to keep the temperature below 60úC.
The amplifier is used with custom made sensitive acoustics.
The sound is very precise and detailed. It has deep sound staging and amazing microdynamics.

For more pictures please visit http://alexkap.com/
  Reply With Quote
Old 7th July 2009, 06:14 AM   #946
roger_lew is offline roger_lew  United States
diyAudio Member
 
roger_lew's Avatar
 
Join Date: Nov 2005
Location: Moscow, ID
Alex.

looks great. I really like the case and your wire layout looks quite clean. I actually have a one of these in the works. I'm still finalizing the PS but here's a sneak preview.

Roger
Attached Images
File Type: jpg img_0029 (custom).jpg (79.0 KB, 1902 views)
  Reply With Quote
Old 7th July 2009, 10:38 AM   #947
Progg70 is offline Progg70  Sweden
diyAudio Member
 
Join Date: Jul 2004
Location: Sweden
Cool Easy to assemble a nice Class-A amp.

Perhaps you think this is advertising but I only want to show how easy
it can be to assemble a nice Class-A, single-end power amplifier.

Visit http://www.youtube.com/watch?v=YxSUXUh0tNU

Regard

Progg70
  Reply With Quote
Old 7th July 2009, 12:49 PM   #948
tinitus is offline tinitus  Europe
diyAudio Moderator R.I.P.
 
Join Date: Nov 2005
Post your Solid State pics here.
Yeah, its a nice video
But completely forgot the fun part of drilling holes etc

To me the worst is getting the parts
__________________
sometimes we know very little, and sometimes we know too much
  Reply With Quote
Old 9th July 2009, 10:52 PM   #949
Wavebourn is offline Wavebourn  United States
Designer & Technologist
diyAudio Member
 
Wavebourn's Avatar
 
Join Date: Sep 2006
Location: Pleasant Hill, CA
Post your Solid State pics here.
Here is my new microphone array matrix breadboard.
Super quiet PS, gyrator-loaded electret capsules, discrete JFET preamps, optical compressor-limiter with multi-color display, low distortion dual opamp matrix, transformer balanced outputs. Most probably I will give it away through Elektor magazine.

Stay tuned!


http://wavebourn.com/forum/download.php?id=132&f=7

http://wavebourn.com/forum/download.php?id=131&f=7
__________________
The Devil is not so terrible as his math model is!
  Reply With Quote
Old 9th July 2009, 10:59 PM   #950
dudaindc is offline dudaindc  United States
diyAudio Member
 
dudaindc's Avatar
 
Join Date: Sep 2005
Location: Metro Washington DC
Quote:
Originally posted by Wavebourn
Here is my new microphone array matrix breadboard.
Super quiet PS, gyrator-loaded electret capsules, discrete JFET preamps, optical compressor-limiter with multi-color display, low distortion dual opamp matrix, transformer balanced outputs. Most probably I will give it away through Elektor magazine.

Stay tuned!
That probably deserves its own thread...
__________________
"All measurements are wrong! Thus, measurement is the art of handling errors."
  Reply With Quote

Reply


Post your Solid State pics here.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

Forum Jump


New To Site? Need Help?

All times are GMT. The time now is 06:41 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