[sdiy] Weird old logic chips & transistors

harrybissell harrybissell at prodigy.net
Tue Dec 6 03:18:33 CET 2005


I might add (in fact, I will) that the discussion after the 'little bastard'
comment
centered on the nature of audio waves. Dad was not a music-knowledgable
person (he was barely a consumer) and had the opinion that "square waves sound
like sh!t".  His arguement, 'musical' tones are sine waves... look at them on a
scope.
In some ways he was right (fourier analysis)... but actually he was dead wrong.
I asked
what was different between a flute and a piano, and he says ~frequency~

Wrong... its waveshape for one, timbre, envelope etc. The year would have been
1970 and I have the ARP posters all over my walls....

that said... I'd say "square waves are an acquired taste".   If you like flutes,

square waves a re going to sound a little brutal...

There is no accounting for taste. Look at all the BBD talk on AH right now :^P

H^) harry

Travis Shire wrote:

>  >When analyzing the design
> > (with my dad) he said I should 'remove the diodes' because they would
> 'clip the
> > shit'
> > out of the signal. When I told him that was my intention, he went
> ballistic... "get
> > out
> > of here you little bastard, I work all day trying to get RID of distortion
> and here
> > you are trying to make it on PURPOSE ???
> >
>
> HA! That's great. Sounds *just* like my high school electronics instructor.
> I would always intentionally work ahead of the required course outline
> (digital logic) so I could "create" freetime to design with vacuum tubes.
> Once my instructor was looking over my shoulder while I was sketching out a
> 3 stage cascaded preamp for guitar. He says something like "that's no good
> for audio with all those voltage amplifiers coupled in series like
> that.....it'll distort like crazy". My reply: "I know, that's what I want".
> He looks at me like I just completely lost my mind and walks away muttering
> about amplifier technology capable of a fraction of a percent THD and "damn
> kids" striving to contradict advancement. He had no idea what it would be
> used for, and I didn't feel like arguing to get my point across. Good times!




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