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previous: Bart Doug/All,I decided to break... -- 11/28/2000 9:28 PM View Thread

Re: Tubular simulations - AC30SIM, BC-60, LHX2, 5032796

11/29/2000 6:00 PM
Doug H
Re: Tubular simulations - AC30SIM, BC-60, LHX2, 5032796
Ah! Finally found your thread...  
"Not "very similar" to my thinking. Stephan used a *much* more sophisticated approach."
Yes, I see your point. I couldn't remember the details of these circuits other than a sh*tload of opamps and a bipolar supply.  
"So anyway, *IF* you want to understand what makes tubes "magic" besides urban legend....and *IF* you have an interest in analog tube simulation technology as it continues to mature, you can learn *many* more useful concepts and approaches one heck of a lot faster by studing circuits from better teachers "
Anything that helps us understand mechanisms that contribute to good tone is a good thing. Having said that, I'm not terribly interested in analog simulation, per se. I'm a pragmatist. If I really need to -nail- the Vox tone, I'll build the amp. It's much simpler than building that simulator. I've heard the sound samples and IMO it's not worth the amount of effort prescribed to just "get close".  
"The original point of the post was - patent 5032796 is *not* much of a tube emulator."
I don't recall this being touted as a "tube emulator". Jack referred to it as a "tube-type distortion". Confusing semantics I guess, but words like "emulator" and "simulator" imply different things to me than what I think Jack intended. He just found a circuit that used an interesting mechanism that maybe we hadn't considered before-"a building block for experimental purposes" in his words.  
The problem with the simulation game, IMO, is you are caught up on the slippery slope of, "how does this compare to the 'real' Belchfire 2000?" (Sorry, R.G. - I love that name!;)) Yes, there are certainly things we can learn from others who have attempted this sort of thing- I've adopted 1 or 2 of LXH2's ideas into my stuff. From that standpoint I find simulation useful. Otherwise it just seems sort of a pedantic pursuit, to me.  
Like Aron, I'm more interested in certain tone qualities and in establishing a "feel". Subjective for sure, but more interesting to me than generating an exact reproduction or trying to see how many angels I can get on the head of a pin.