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The extra informations for the EC81 are in the .subckt TRIODE in the Koren_Tubes.cir. I think they use subcircuits from subcircuits :-)... best regards, Leo

In message <j55l56+a39e@...>, dated Sun, 18 Sep 2011, Charly Engineering <charly020664@...> writes: They are clearly very different types of model; the EC/PC86 uses a B-source while the

uploaded, thanks, Leo ...

In message <j55k6t+5cer@...>, dated Sun, 18 Sep 2011, Charly Engineering <charly020664@...> writes: Maybe the models differ in some vital respect. Please upload your EC86 .asc and model.

Yes, I work at noise-matched active antennas. The Rser and Cser of the voltage-source simulate a electrical short antenna at about 1 MHz. I would not try to use a tube, but unfortunately I need big

In message <j55dke+dhss@...>, dated Sun, 18 Sep 2011, Charly Engineering <charly020664@...> writes: Everything delivers curious results. You have just a 1 mV input signal, which at low

Hi i'm looking at an impedance curve of a non-ideal tantalum capacitor in LTSpice. The test circuit and impedance curve is seen in this screengrab: http://www.apspektakel.com/bilder/tantal.png The

Hi, I asked here for a model for the EC81, Suusi Malcom-Brown-B was so kindly to add the model to the Koren_tubes.cir-lib.- Now I have the problem that a transient analyse delivers curious results.-

In message <4E762028.8050305@...>, dated Sun, 18 Sep 2011, Ganesan <dg1@...> writes: I agree with the fan, but I don't see how you can show double or triple life, unless you are

In message <1316365434.4717.56.camel@Yoda>, dated Sun, 18 Sep 2011, Peter <pmoss@...> writes: There is no truth in the rumour that the release name of "Windows 8" will be 'Eyelynucks'.(;-)

Nope, I did not expect many to agree ;-) They are not new users ;-) But the point is a problem/suggestion was highlighted and quite correctly so. The solution must also be a solution that addresses

That's interesting - I've never come across anyone who's actually tried that until now - so maybe the old wise one's are not so wise, after all! I must say that I've been working with valves for only

In message <j555at+95dr@...>, dated Sun, 18 Sep 2011, Tony Casey <tony@...> writes: Looking for an analoguespiceman award?(;-) The problem is not looking, it's guessing where to

My personal experience is de-rating the heaters to about 90% and putting a mini fan.. can double or triple the life of these old valve baseed equipment.. Putting a series resistor with the heater puts

AG, non of the valve (tube) models I've come across (and I've seen quite a few) model the effect of varying heater current or voltage - they simply (attempt) to model the relationship between the

WOW, You are sooooooo good to me :-), thanx .... best regards Leo ...

OK Helmut, many thanks

Confucius say: Things remain hidden mostly for want of looking. :-)

In message <j54t57+aisu@...>, dated Sun, 18 Sep 2011, Tony Casey <tony@...> writes: Thank you. Yet another hidden wonder! -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and

In message <4E75F5EB.8040605@...>, dated Sun, 18 Sep 2011, Ganesan <dg1@...> writes: The loss, and increased variability between samples, of performance is quite significant, and