Super clean audio amplifier P8W4R - diyAudio
Go Back   Home > Forums > Amplifiers > Solid State

Solid State Talk all about solid state amplification.

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 20th September 2011, 01:59 AM   #1
mac1257 is offline mac1257  Australia
Banned
 
Join Date: Mar 2011
Location: Stalowa Wola
Default Super clean audio amplifier P8W4R

Super clean audio amplifier P8W4R
Attached Images
File Type: gif Hi Fi P8W4R.GIF (14.0 KB, 362 views)
  Reply With Quote
Old 20th September 2011, 04:47 AM   #2
Bonsai is offline Bonsai  Taiwan
diyAudio Member
 
Bonsai's Avatar
 
Join Date: Jul 2003
Location: Taipei, Taiwan
Mac, where did you get this from?
__________________
bonsai
Amplifier Design and Construction for MUSIC! http://hifisonix.com/
  Reply With Quote
Old 20th September 2011, 11:41 AM   #3
diyAudio Member
 
east electronics's Avatar
 
Join Date: Jan 2006
Location: Athens GREECE
your amplifiers reminds me the directions of my doctor ....

stop eating anything green yellow black brown and bla bla bla ( only things left to eat is stones and seeds ) replace cofee with tea , stop smoking and most of all stop having stress at work

it will eventually make my stomach better but trully dont know how and when can i do that ...

Point is that as a doctor or an electronics designer we should provide solutions that have a good percentage of realistic approach .....

obviously most of your schematics might have very good theoretical approach but made with obsolete parts and sorry to say with obsolete technology ....

by the way .... you seem to also failed to answer my previous question which was :
What is going to happen in this circuit if voltage is not 24.7 and its 25.2 ?
then again what will happen in this circuit if you calculate everything with a tollerance of 10% ( for resistors and caps )
can you point us a source for BC 158 with b=300 ?
i am 45 years old and i dont even remember seen an amplifier that old that works with BC 158 and in my shop we repair an average of 200-300 comercial amplifiers per year ...

kind regards
sakis
__________________
SERVICE ΕΝΙΣΧΥΤΩΝ ΚΑΙ ΙΑΠΩΝΙΚΩΝ ΜΗΧΑΝΗΜΑΤΩΝ ΗΧΟΥ www.eastelectronics.gr

Last edited by east electronics; 20th September 2011 at 11:47 AM.
  Reply With Quote
Old 20th September 2011, 03:38 PM   #4
Tajzmaj is offline Tajzmaj  Slovenia
diyAudio Member
 
Join Date: Mar 2011
Location: Ljubljana
  Reply With Quote
Old 20th September 2011, 07:28 PM   #5
mac1257 is offline mac1257  Australia
Banned
 
Join Date: Mar 2011
Location: Stalowa Wola
These are my own projects and transistors are the Polish and French production.
  Reply With Quote
Old 20th September 2011, 07:35 PM   #6
diyAudio Member
 
east electronics's Avatar
 
Join Date: Jan 2006
Location: Athens GREECE
ok then .... i can expect a polish manufacturer of transistor to deliver BC 158 with b=300 and with +-10% tollerance so someone will go ahead and try any of these projects you posted here and in some other thread ..

i dont mean to be agresive ... realistic sound bit better
__________________
SERVICE ΕΝΙΣΧΥΤΩΝ ΚΑΙ ΙΑΠΩΝΙΚΩΝ ΜΗΧΑΝΗΜΑΤΩΝ ΗΧΟΥ www.eastelectronics.gr
  Reply With Quote
Old 20th September 2011, 08:02 PM   #7
wahab is offline wahab  Algeria
diyAudio Member
 
Join Date: Nov 2009
Location: algeria/france
This "design" is quite amazing....
  Reply With Quote
Old 21st September 2011, 07:46 AM   #8
mac1257 is offline mac1257  Australia
Banned
 
Join Date: Mar 2011
Location: Stalowa Wola
Default Re:P8W4R

Quote:
Originally Posted by wahab View Post
This "design" is quite amazing....
Other types of transistors can search audio, dynamic measuring system. Transistors can be a Japanese or English or American company PHILCO. American driver transistors never been good for audio amplifiers, because they were too slow-acting.
Attached Images
File Type: gif dmtr.GIF (7.0 KB, 127 views)
  Reply With Quote
Old 21st September 2011, 01:04 PM   #9
mac1257 is offline mac1257  Australia
Banned
 
Join Date: Mar 2011
Location: Stalowa Wola
Default Amplifier P8W1R

Amplifier P8W1R
Attached Images
File Type: gif P8W1R.GIF (7.8 KB, 97 views)
  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
SPDIF with Optical DIY transmitter and super clean drive. Mooly Digital Source 2 8th November 2011 07:00 AM
audio nirvana super 10 or super 12 tonytex Full Range 11 4th September 2011 10:55 PM
What makes a amplifier sound clean? chipper Car Audio 10 23rd October 2010 07:47 PM
Clean usb power m-audio Transit? nicoch58 Digital Source 0 8th November 2006 06:53 PM
Audio Nirvana Super 8 and 6B4G Amplifier AlejandroR Multi-Way 13 10th August 2006 05:00 PM


New To Site? Need Help?

All times are GMT. The time now is 11:00 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