Tube-Mosfet Single-Ended Amplifier! - 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 5th September 2008, 10:37 AM   #1
diyAudio Member
 
Join Date: Jun 2005
Location: KL
Default Tube-Mosfet Single-Ended Amplifier!

This is the first hybrid amplifier I want to build, but the problem is I found a few errors on the schematic (my friend give me), I hope that every expert out there can give me some idea and help me to correct this schematic..
Attached Images
File Type: gif vpzen1.gif (11.2 KB, 1405 views)
  Reply With Quote
Old 6th September 2008, 09:32 AM   #2
diyAudio Member
 
darkfenriz's Avatar
 
Join Date: Jun 2004
Location: Warsaw
What are the errors?
Looks correct to me.
  Reply With Quote
Old 6th September 2008, 09:58 AM   #3
diyAudio Member
 
Join Date: Oct 2002
Location: SINGAPORE
i am sure this is not your friend's design. the PCB is sold commercially by a member here, why bother to erase the owner's website on the schematic?. if there is any errors, please do share and i am sure the seller would be interested to know.

oh btw, his nick here is kristijan-k.
  Reply With Quote
Old 6th September 2008, 06:52 PM   #4
sith is offline sith  Croatia
diyAudio Member
 
Join Date: Nov 2003
Location: Split
More specific, Mr.Pass design it would be (omg I'm Yoda )

Anyway, here's link on Kristian's page... so there's no need to be mysterious about schematics or designer....

http://www.kk-pcb.com/vpzen.html
__________________
There is no spoon...there is a fork!!!
  Reply With Quote
Old 7th September 2008, 04:27 PM   #5
diyAudio Member
 
Join Date: Jun 2005
Location: KL
Thanks for the website because I only got this schematic from my friend and I have no idea why he has erased all the schematic information. Btw, isn't it the tube part has error? I can't understand that part at all.
  Reply With Quote
Old 7th September 2008, 05:57 PM   #6
sith is offline sith  Croatia
diyAudio Member
 
Join Date: Nov 2003
Location: Split
not sure on what part you are referring, still, try on Pass section of this forum, maybe you'll find all the answers u need
__________________
There is no spoon...there is a fork!!!
  Reply With Quote
Old 7th September 2008, 06:03 PM   #7
nikwal is offline nikwal  Sweden
diyAudio Member
 
Join Date: Aug 2005
To me' if using the tubes like that. I'd rather do a mu-follower with a mosfet on the anode and a simple follower stage with mosfets. Or just go with a ZEN-X for example :-D..

or search the internet for other hybrid designs, there are some interresting out there.. :-D one with lundahl transformers connected to the gates, I wonder how good that one works,looks cool and really minimalistic though..
__________________
http://dsl.mine.nu (very enironmental friendly 5watt damn small linux server made from a compaq t1010 terminal)..
  Reply With Quote
Old 7th September 2008, 06:10 PM   #8
lineup is offline lineup  Sweden
diyAudio Member
 
lineup's Avatar
 
Join Date: Dec 2005
Location: the north
Quote:
Originally posted by sith
Anyway, here's link on Kristian's page... so there's no need to be mysterious about schematics or designer....
http://www.kk-pcb.com/vpzen.html
and here is the pcb board components lay out
with 1 tube + mosfets

Click the image to open in full size.
__________________
lineup
  Reply With Quote
Old 8th September 2008, 03:14 PM   #9
diyAudio Member
 
Join Date: Jun 2005
Location: KL
I not really understand why got 2 connection to the grid for the e88cc tube.
  Reply With Quote
Old 18th September 2008, 05:03 PM   #10
diyAudio Member
 
Join Date: Oct 2002
Location: SINGAPORE
Quote:
Originally posted by Matthewong
I not really understand why got 2 connection to the grid for the e88cc tube.

so what is so wrong about the balanced inputs at the tube stage? u have to elaborate if u ask for help.
  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
Single-ended mosfet-tube follower KlausB Solid State 44 17th May 2009 06:28 PM
WTB: Single Ended tube amp bepatient Swap Meet 4 29th January 2006 08:11 AM
single ended HiFi Regal stereo tube amplifier karma Tubes / Valves 20 14th June 2005 02:59 PM
single ended mosfet amp KlausB Solid State 11 26th February 2004 07:47 PM


New To Site? Need Help?

All times are GMT. The time now is 08:44 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