tube preamp + SS power amp. - diyAudio
Go Back   Home > Forums > Amplifiers > Tubes / Valves

Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum

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 26th April 2007, 01:11 PM   #1
yngwie is offline yngwie  Australia
diyAudio Member
 
Join Date: Dec 2006
Default tube preamp + SS power amp.

?Hey everyone first post.

I just have a quick question about the topic. I've made myself a 12ax7 preamp following hoffmans design, and i plan to make any decent poweramp, mosfet, bjt, gainclone. Ummmm so no clue about tube outputs but i assume the voltage is very high from the 12ax7 ( i'm giveing them 224V B+ is that ok?)
so when it leavs the preamp and hits the poweramp will these voltage cause any upsets on my behalf
  Reply With Quote
Old 26th April 2007, 01:58 PM   #2
alejo is offline alejo  Argentina
diyAudio Member
 
Join Date: Jun 2004
Location: bs.as.
In this forum all think that no exist any decent SS poweramp.
....
Build one PushPull EL34, 6L6, 5881, EL84 it is decent amp !!!!!!
  Reply With Quote
Old 26th April 2007, 02:21 PM   #3
yngwie is offline yngwie  Australia
diyAudio Member
 
Join Date: Dec 2006
a yes but i plan to throw in 100 watt power amp. which isn't withing my $$$$ range for all tube.
ANSWER QUESTION >_< lawl!!!
not asking whats best just asking if a tube preamp output is fine with a SS poweramp input
  Reply With Quote
Old 26th April 2007, 02:46 PM   #4
diyAudio Member
 
Join Date: Jan 2005
Location: Lisboa
Yes, it is fine, don't worry (don't forget the coupling cap though)
__________________
"There's something organic about a happy cloud of electrons" - Neutron Bob
  Reply With Quote
Old 26th April 2007, 05:26 PM   #5
diyAudio Member
 
Wavebourn's Avatar
 
Join Date: Sep 2006
Location: Pleasant Hill, CA
Send a message via Skype™ to Wavebourn
It depends on input impedance of your SS output stage: how high it is, how it depends on a frequency, and how linear, that is also very significant.
I got very-very good results using triode strapped 12L6GC driving 4 transistors.
__________________
The Devil is not so terrible as his math model is!
  Reply With Quote
Old 26th April 2007, 05:28 PM   #6
diyAudio Member
 
Wavebourn's Avatar
 
Join Date: Sep 2006
Location: Pleasant Hill, CA
Send a message via Skype™ to Wavebourn
Quote:
Originally posted by alejo
In this forum all think that no exist any decent SS poweramp.
....
Here you go:

Click the image to open in full size.
__________________
The Devil is not so terrible as his math model is!
  Reply With Quote
Old 26th April 2007, 11:05 PM   #7
yngwie is offline yngwie  Australia
diyAudio Member
 
Join Date: Dec 2006
cheers all.
  Reply With Quote
Old 27th April 2007, 12:45 AM   #8
diyAudio Member
 
Join Date: Oct 2004
Location: Adelaide South Oz
I see you are in Melbourne which means that you have one of the best SS Amps anywhere available just down the street.

Have a chat to Hugh Dean.
http://www.aksaonline.com/

I have one of his LIFEFORCE 55 amps and one of his older AKSA 55 Nivarna Plus Amps. I use these as reference amps against which I judge the valve amps I design and build. The LIFEFORCE 55 is stunningly detailed and articulate with effortless presentation across the entire frequency range. The AKSA 55 has a bit of that valve like sound, warm and rich.

I run one of his GK-1 tube buffered preamps all the time, regardless of what power amp I have hooked up on any given day.

Cheers,
Ian
  Reply With Quote
Old 27th April 2007, 02:55 AM   #9
yngwie is offline yngwie  Australia
diyAudio Member
 
Join Date: Dec 2006
haha my boss ( head of flc microdesign ,coolon) says a well designed MOSFET can do anything a tube can.

Also umm dave ulbrick from ulbrick Sound builds his amps bout 2 k from my house lawl.
  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
Tube Preamp Module and Power Supply PCB's Geek Swap Meet 47 31st January 2009 09:48 AM
looking for hv power supply kit for car tube preamp tomat Parts 6 7th December 2008 03:48 AM
Balanced tube preamp for class D power amps. jane Tubes / Valves 5 13th December 2006 08:41 AM
WTB:power supply for tube preamp dariusku Swap Meet 0 18th September 2006 07:04 PM
power supply for tube preamp rafafredd Tubes / Valves 11 15th November 2002 04:32 PM


New To Site? Need Help?

All times are GMT. The time now is 12:51 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