Boosted Triode mode?

Jeb-D. · 21st August 2007, 12:08 AM

http://www.edn.com/article/CA302240.html

Anyone tried this? Looks interesting, but you you would need more iron on the amplifier

Geek · 21st August 2007, 01:52 AM

Hi,

Here's some more boosted triode results. No need for more iron and done heretical

http://geek.scorpiorising.ca/GeeK_Zo...18638#msg18638

Cheers!

tubelab.com · 21st August 2007, 02:28 AM

When I first saw the article in EDN I was skeptical, so I tried it. The result? A fried 6L6GC. The author of the article "built" the circuit in a simulator. The simulator may not "see" the glowing screen grid. See post # 18 in this thread:

Triode Trick

And:

6L6 Design in EDN Mag

And:

Tube article in EDN

I believe that Geeks "boosted triode" is a different design, similar to what I called "dual drive" where the screen and control grids are both driven (at different DC potentials). It works, but the results are dependent on the type of output tube.

21st August 2007, 12:08 AM	#1
Jeb-D. diyAudio Member Join Date: Nov 2005 Location: SoCal	Boosted Triode mode? http://www.edn.com/article/CA302240.html Anyone tried this? Looks interesting, but you you would need more iron on the amplifier

21st August 2007, 02:28 AM	#3
tubelab.com diyAudio Member Join Date: Jul 2005 Location: South Florida	When I first saw the article in EDN I was skeptical, so I tried it. The result? A fried 6L6GC. The author of the article "built" the circuit in a simulator. The simulator may not "see" the glowing screen grid. See post # 18 in this thread: Triode Trick And: 6L6 Design in EDN Mag And: Tube article in EDN I believe that Geeks "boosted triode" is a different design, similar to what I called "dual drive" where the screen and control grids are both driven (at different DC potentials). It works, but the results are dependent on the type of output tube. __________________ Too much power is almost enough! Turn it up till it explodes - then back up just a little.

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Using a spdt switch to select between triode mode and pentode mode on a guitar amp.	G	Tubes / Valves	19	15th March 2006 09:15 AM
6V6 in triode connect mode	cominup	Tubes / Valves	13	2nd May 2005 05:35 PM
EF86 Triode Mode	Family_Dog	Tubes / Valves	4	21st March 2005 04:41 PM
Mullard 5-20 in triode mode	icebear	Tubes / Valves	15	26th November 2004 02:06 AM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read

21st August 2007, 01:52 AM	#2
Geek diyAudio Member Join Date: Sep 2004	Hi, Here's some more boosted triode results. No need for more iron and done heretical http://geek.scorpiorising.ca/GeeK_Zo...18638#msg18638 Cheers!

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)