World-Designs-Forum  

Go Back   World-Designs-Forum > DIY Projects > DIY Pictures
Register FAQ Members List Calendar Gallery Today's Posts Mark Forums Read

DIY Pictures Gallery of DIY project pictures

Reply
 
Thread Tools Display Modes
  #1  
Old 31st July 2007, 01:35 PM
andrew ivimey's Avatar
andrew ivimey andrew ivimey is offline
Senior Member
 
Join Date: Dec 2005
Location: Bedford
Posts: 2,028
Default Push Pull ain't that bad

Here's the latest snazzy little number with maybe 4watts per channel wih a fair wind and a sunny day.

As a spin off from SEX amp, it was not long before someone tried (successfully) to use 6DN7 (actually 6FJ7 here) in push pull mode. Input/splitter transformer driver triode cap coupled to output triode to output transformers (that are dead weedy)

The PSU is unpluggable as I want to use it for other little projects (6DN7PSE!) and bingo! It sounds very good and I'd love (much) better specc'd 8K output transformers.
Attached Images
File Type: jpg PP.JPG (48.0 KB, 407 views)
Reply With Quote
  #2  
Old 31st July 2007, 02:19 PM
andrew ivimey's Avatar
andrew ivimey andrew ivimey is offline
Senior Member
 
Join Date: Dec 2005
Location: Bedford
Posts: 2,028
Default Re: Push Pull ain't that bad

Well the picture was too dark and I don't know how to lighten it, so I did this instead - improves the top end!
Reply With Quote
  #3  
Old 31st July 2007, 04:13 PM
Tony Moore's Avatar
Tony Moore Tony Moore is offline
Senior Member
 
Join Date: Dec 2005
Location: Chester
Posts: 357
Default Re: Push Pull ain't that bad

It's art!
Reply With Quote
  #4  
Old 31st July 2007, 04:35 PM
John T's Avatar
John T John T is offline
Senior Member
 
Join Date: Dec 2005
Location: Cardiff. UK.
Posts: 433
Default Re: Push Pull ain't that bad

How's this then Andrew?
Attached Images
File Type: jpg PP new.jpg (72.9 KB, 156 views)
Reply With Quote
  #5  
Old 31st July 2007, 04:37 PM
andrew ivimey's Avatar
andrew ivimey andrew ivimey is offline
Senior Member
 
Join Date: Dec 2005
Location: Bedford
Posts: 2,028
Default Re: Push Pull ain't that bad

Aha! thanks John, but it doesn't look so good now, does it!
Reply With Quote
  #6  
Old 1st August 2007, 12:56 AM
John T's Avatar
John T John T is offline
Senior Member
 
Join Date: Dec 2005
Location: Cardiff. UK.
Posts: 433
Default Re: Push Pull ain't that bad

Pure skill is still pure skill - whatever the guise
Reply With Quote
  #7  
Old 1st August 2007, 07:53 AM
prince of darkness's Avatar
prince of darkness prince of darkness is offline
Senior Member
 
Join Date: Jan 2006
Location: Boddam, Aberdeenshire
Posts: 444
Default Re: Push Pull ain't that bad

Hope the amp survived the Dalek attack.
__________________
"We need to grab the Bull by the scruff of the horns!"


Prince
Reply With Quote
Reply


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


All times are GMT +1. The time now is 02:31 AM.


Powered by vBulletin® Version 3.7.3
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright World Designs