Tube Amps / Music Electronics
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|previous: aron >, you can learn *many* more useful... -- 11/28/2000 11:01 PM||View Thread|
|11/30/2000 12:07 AM|
|Rob Strand||Re: Tubular simulations - AC30SIM, BC-60, LHX2, 5032|
Aron, I thought one of the aims of the 5032796 patent was to emulate the sag of supply of the tube amp. There's a whole heap of patents that try to emulate various aspects of tube-amps. The use of zeners in themselves is no better/worse than using normal diodes in our pedals, they have the same limitations. To me, Eric Pritchard seems to be going along the most practical path way for tube emulation - although not perfect.
Although full emulation/simulation of tube may seem an abstract route to follow. I believe it is the correct one. To build something that sounds like tubes you must build something that mimics what tubes do - ie. simulate them! Only after this stage has been done can you be certain to achieve that tube feel.
I don't think the number of stages used is, in itself, that important. One complicate stage could mimic the performance of a number of cascaded stages. However, to capture _all_ the aspects of tube sound it does seem more logical to use the cascade approach.
The best place to start is to try to simulate one tube-stage. The ideas of Pritchard can do this. Once this is done we can build-up a compound tube-simulator that does the real thing.
In principle, the AC30 simulator is doing Pritchard is doing, mimicing the non-linearity.
|Eric H [QUOTE]In principle, the AC30 simul... -- 11/30/2000 4:18 AM|