driver stage - diyAudio
Go Back   Home > Forums > Amplifiers > Tubes / Valves
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

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
Thread Tools Search this Thread
Old 11th June 2004, 05:08 AM   #1
nonos is offline nonos  Hungary
diyAudio Member
Join Date: Jan 2004
Location: szhely
Default driver stage

What do you think about this driver stage?

I would like to try it in my amp, but I have to change the setting of the ECC83. The power supply for this tube is about 400V and I would like that the power supply will be same in bouth triode in the driver stage.

What is the correct current for this setting? Where does it sound in the best?

Attached Images
File Type: jpg driver.jpg (13.8 KB, 54 views)
  Reply With Quote
Old 11th June 2004, 06:37 AM   #2
diyAudio Member
Sch3mat1c's Avatar
Join Date: Jan 2003
Location: Milwaukee, WI
Send a message via ICQ to Sch3mat1c Send a message via AIM to Sch3mat1c
Around 1mA and 175V plate (from +400V).

That's 225V across the resistor, with 1mA through plate resistor needs to be 220k ohms. Use a 1/2W or better resistor. As for exact cathode resistor value, I'd have to draw a loadline but I'll guess it needs to be 1k. It's always 1k.

That's for #1. For #2, the cathode follower (CF), you assume the cathode voltage is nearly grid voltage, which is set by the plate of #1. So let's see... 175V at 1mA is 175k ohms, let's say 180k. 220k would work just fine, as would 150 or even 100k, it's not critical.

#3 is your output stage and I'm guessing you either aren't changing that or are going to get to that next...

Seven Transistor Labs, LLC
Projects and Resources / Electronic Design and Consultation
  Reply With Quote
Old 11th June 2004, 06:54 AM   #3
nonos is offline nonos  Hungary
diyAudio Member
Join Date: Jan 2004
Location: szhely

Please you see the "I look for a correct driver stage" thred because I chanced to make a new thread.
  Reply With Quote


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
24 or 24a as driver in 2 stage..? JandG Tubes / Valves 3 30th December 2008 12:43 AM
Need a serious PP driver stage Fuling Tubes / Valves 19 30th October 2007 08:08 PM
Output stage biasing, with the driver stage andrew_whitham Tubes / Valves 0 19th May 2007 11:14 AM
Mu stage driver lndm Tubes / Valves 19 22nd September 2006 02:57 PM
VSE PP1 driver stage Andrewbee Tubes / Valves 4 28th November 2004 01:35 AM

New To Site? Need Help?

All times are GMT. The time now is 02:41 AM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2