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Vacuum Tube SPICE Models
Vacuum Tube SPICE Models
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Old 6th December 2017, 04:23 PM   #1551
jazbo8 is offline jazbo8
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Vacuum Tube SPICE Models
You are welcome, please let us know how it works out.
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Old 6th December 2017, 04:25 PM   #1552
dreamth is offline dreamth  Romania
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I surely will!Thank you again!
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Old 7th December 2017, 06:34 PM   #1553
cogsncogs is offline cogsncogs  United States
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Quote:
Originally Posted by dreamth View Post
Is it possible that somebody can help me with spice model for D3A or E810F as a pentode?I would prefer it to work in ltspice but any model would be very good.
Found using search term D3A_AN.
Vacuum Tube SPICE Models
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Old 8th December 2017, 08:56 AM   #1554
dreamth is offline dreamth  Romania
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Thank you! I allready made use of some models you sugested here:
Vacuum Tube SPICE Models
It's interesting that jazbo suggested your models while you suggested his models.
So i allready tried your improved pentode model here and it works :

1V2 phono riaa preamplifier
I should try jazbo's(Nakabayashi) one too.
For the triode mode i could only hope that nakabayshi's would be more realistic than Bartola, but who knows untill real measurements are performed?

Last edited by dreamth; 8th December 2017 at 09:08 AM.
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Old 10th December 2017, 05:03 PM   #1555
dreamth is offline dreamth  Romania
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I tried today Nakabayashi's models and they give worse thd figures by 4...6 db which makes me trust them more.I don't really know if they are better than the others, but i preffer worse results in a sym.
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Old Yesterday, 07:06 AM   #1556
jazbo8 is offline jazbo8
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Vacuum Tube SPICE Models
Did you have a chance to compare the simulation results with the actual circuit? It should give you an idea which model is more suitable, assuming that the tube used is close to the spec.
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Old Yesterday, 08:48 AM   #1557
dreamth is offline dreamth  Romania
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Well...i don't have a thd analyser at hand and the circuit in the link is still subject to some modifications.
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Old Yesterday, 02:32 PM   #1558
artosalo is offline artosalo  Finland
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Quote:
Well...i don't have a thd analyser at hand...
THD analyzer = PC + FFT freeware, means practically anybody can have such in minutes.

Last edited by artosalo; Yesterday at 02:35 PM.
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Old Yesterday, 04:22 PM   #1559
dreamth is offline dreamth  Romania
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I had the occasion to use Precision one and Two but never tried a soundcard.Probably will in the future as i have a professional soundcard standing on a shelf but never used it.I'm a bit clumsy when it comes to new techniques...
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Old Yesterday, 04:28 PM   #1560
jazbo8 is offline jazbo8
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Vacuum Tube SPICE Models
There are a lot of threads on the subject here: http://www.diyaudio.com/forums/equipment-and-tools/ when you are ready to investigate.
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