6463-12b4a srpp? - 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 9th November 2008, 10:16 PM   #1
diyAudio Member
 
Join Date: Feb 2003
Location: West Coast of Norway
Default 6463-12b4a srpp?

Posted this on AA, but did not receive any answer yet.
I am doing some thinking about doing a linestage consisting of
1/2 6463 and 1 12b4a in a srpp config.

Bring on comments Is it doable, smart or not smart?
Have some of these tubes laying around you see...
PSU is delivering between 250v-280v

Will scetch out a circuit in some days I guess.

Sincerely
  Reply With Quote
Old 12th November 2008, 01:31 PM   #2
diyAudio Member
 
Join Date: Feb 2003
Location: West Coast of Norway
Ok folks.

Since I am a truly beginner when it comes to circuit designs, feedback and advice would be appreciated.

What do you think of this design?
It is the first version.


6463 is almost the same as 5687.

BTW. I came across a circuit called the "mini monkey" which seems a bit interesting.

It is mentioned in this thread
Serious case of brain fry. You out there Thorsten?

Schematic is here:
http://www.diyaudio.com/forums/attac...amp=1170462812

So, do I really need the grid resistor (910ohm) from the 6463 to 12b4?

Sincerely
Attached Images
File Type: jpg 6463-12b4a-srpp.jpg (20.2 KB, 306 views)
  Reply With Quote
Old 12th November 2008, 02:23 PM   #3
diyAudio Member
 
Join Date: Feb 2003
Location: West Coast of Norway
BTW. The psu I am using is a tube regulated (ecl82) from AN. It is supposed to be quite good, and I am therefore thinking about an ultrapath connection.

This article got me thinking

http://www.tubecad.com/2008/08/blog0147.htm

Sincerely
Attached Images
File Type: jpg 6463-12b4a-srpp_rev2.jpg (22.4 KB, 267 views)
  Reply With Quote
Old 13th November 2008, 09:25 AM   #4
diyAudio Member
 
Join Date: Feb 2003
Location: West Coast of Norway
Dear friends.
The PSU I am planning to use is this from Audio Note.

Click the image to open in full size.

Sincerely
  Reply With Quote
Old 14th November 2008, 02:28 AM   #5
diyAudio Senior Member
 
fdegrove's Avatar
 
Join Date: Aug 2002
Location: Belgium
Hi,

You shouldn't use dissimilar tube halves in a SRPP config to begin with or it won't be an SRPP anymore.

Cheers,
__________________
Frank
  Reply With Quote
Old 14th November 2008, 05:15 AM   #6
diyAudio Member
 
dsavitsk's Avatar
 
Join Date: Jan 2005
Location: Hartford
What is the plate choke doing?
  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
12B4A Linestage Bryan Tubes / Valves 223 16th December 2010 09:57 PM
yet another 12b4a zobsky Tubes / Valves 11 25th May 2004 12:56 AM
12b4a Jack Thomas Tubes / Valves 50 7th September 2002 04:29 PM
12b4a Jack Thomas Tubes / Valves 0 8th August 2002 05:00 PM


New To Site? Need Help?

All times are GMT. The time now is 10:29 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