to parafeed or not to parafeed that is the question - Page 3

nhuwar · 17th January 2007, 05:30 PM

what is non-3l4 model. And the 813 is the tube i'm using in the final stage.

Nick

rdf · 17th January 2007, 05:42 PM

The models on Duncan's page will be linked by either a yellow or a blue icon. The blue ones are to models meant for a version of Spice (Berkeley) incompatible with LTSpice. Most of the yellow link models work fine. You may find something useful for your driver stages.

nhuwar · 17th January 2007, 05:45 PM

Ok that I didn't know thanks for the info.

Nick

kevinkr · 17th January 2007, 06:17 PM

Hi Nick
I have all of the common and some not so common tube models for LTspice, if you send me a pm as I suggested a few days ago I'll email them to you along with instructions on how to install.

You'll not find a model of the 813, that you'll have to create using paintcc version for pentodes as I have explained before.

Alternately go to my website and click the mail link on my homepage and send me an email.

nhuwar · 17th January 2007, 06:24 PM

Kevin I actually sent you a email a few days ago but I didnt get a reply I figuared you were busy.
And I didnt want to bother you But I will try again now from my address.

Nick

kevinkr · 17th January 2007, 06:27 PM

Hi Nick,
Got it! Now quickly remove that link while you still can so you don't get spammed!

nhuwar · 17th January 2007, 06:28 PM

Done and thanks

Nick

nhuwar · 17th January 2007, 06:33 PM

Kevin I was wondering if it would work if I took one of the beam tetrode models off the duncan amps page and edit it to the values of a 813 would that work or not?

Nick

kevinkr · 17th January 2007, 06:50 PM

Hi Nick.
There may be some parameters you can modify in say the EL34 model that would put you close to the 813. Frankly I haven't done this with pentodes, but it did work with triodes. The key is knowing the right parameters to change, and unfortunately I don't.

I would try paintcc - what you want specifically is paint_kip available here: http://www.geocities.com/dmitrynizh/...rams_image.htm

You might also want to join this group on yahoo groups, it's moderated though and joining takes a few days. The group orientation is towards big tubes like the 845, 211, GM70, and 813 so you might find some additional ideas here. Here's the link: http://groups.yahoo.com/group/GM70/

nhuwar · 17th January 2007, 06:55 PM

Downloaded it but I didn't get it to work.

Our I didn't know how????

You know I thought I knew computer stuff but I geuss i don't know a lick about java.

17th January 2007, 06:17 PM	#24
kevinkr diyAudio Moderator Join Date: Sep 2004 Location: Boston, Massachusetts Blog Entries: 6	Hi Nick I have all of the common and some not so common tube models for LTspice, if you send me a pm as I suggested a few days ago I'll email them to you along with instructions on how to install. You'll not find a model of the 813, that you'll have to create using paintcc version for pentodes as I have explained before. Alternately go to my website and click the mail link on my homepage and send me an email. __________________ "Extraordinary claims require extraordinary evidence." - Carl Sagan

17th January 2007, 06:27 PM	#26
kevinkr diyAudio Moderator Join Date: Sep 2004 Location: Boston, Massachusetts Blog Entries: 6	Hi Nick, Got it! Now quickly remove that link while you still can so you don't get spammed! __________________ "Extraordinary claims require extraordinary evidence." - Carl Sagan

17th January 2007, 06:50 PM	#29
kevinkr diyAudio Moderator Join Date: Sep 2004 Location: Boston, Massachusetts Blog Entries: 6	Hi Nick. There may be some parameters you can modify in say the EL34 model that would put you close to the 813. Frankly I haven't done this with pentodes, but it did work with triodes. The key is knowing the right parameters to change, and unfortunately I don't. I would try paintcc - what you want specifically is paint_kip available here: http://www.geocities.com/dmitrynizh/...rams_image.htm You might also want to join this group on yahoo groups, it's moderated though and joining takes a few days. The group orientation is towards big tubes like the 845, 211, GM70, and 813 so you might find some additional ideas here. Here's the link: http://groups.yahoo.com/group/GM70/ __________________ "Extraordinary claims require extraordinary evidence." - Carl Sagan

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17th January 2007, 05:30 PM	#21
nhuwar diyAudio Member Join Date: Jan 2007 Location: Cypress Texas	what is non-3l4 model. And the 813 is the tube i'm using in the final stage. Nick

17th January 2007, 05:42 PM	#22
rdf diyAudio Member Join Date: Jun 2004 Location: big smoke	The models on Duncan's page will be linked by either a yellow or a blue icon. The blue ones are to models meant for a version of Spice (Berkeley) incompatible with LTSpice. Most of the yellow link models work fine. You may find something useful for your driver stages.

17th January 2007, 05:45 PM	#23
nhuwar diyAudio Member Join Date: Jan 2007 Location: Cypress Texas	Ok that I didn't know thanks for the info. Nick

17th January 2007, 06:24 PM	#25
nhuwar diyAudio Member Join Date: Jan 2007 Location: Cypress Texas	Kevin I actually sent you a email a few days ago but I didnt get a reply I figuared you were busy. And I didnt want to bother you But I will try again now from my address. Nick

17th January 2007, 06:28 PM	#27
nhuwar diyAudio Member Join Date: Jan 2007 Location: Cypress Texas	Done and thanks Nick

17th January 2007, 06:33 PM	#28
nhuwar diyAudio Member Join Date: Jan 2007 Location: Cypress Texas	Kevin I was wondering if it would work if I took one of the beam tetrode models off the duncan amps page and edit it to the values of a 813 would that work or not? Nick

17th January 2007, 06:55 PM	#30
nhuwar diyAudio Member Join Date: Jan 2007 Location: Cypress Texas	Downloaded it but I didn't get it to work. Our I didn't know how???? You know I thought I knew computer stuff but I geuss i don't know a lick about java.

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