Ok so chipamps are not really my thing but I just saw a post on a tda 2030 amp....
Doesn't time mean progress for integrated electronics? This is a chip amp from more than 20 years ago !!
So that got me thinking
What's the history of this ilittle pentawatt ?
Is it surviving still because of momentum or because theese devices have actually got some nice features? If so what are they ?
I recall building some off Thomson datasheets in my youth and they sucked then. So I'm a little surprised they are stil around.
Doesn't time mean progress for integrated electronics? This is a chip amp from more than 20 years ago !!
So that got me thinking
What's the history of this ilittle pentawatt ?
Is it surviving still because of momentum or because theese devices have actually got some nice features? If so what are they ?
I recall building some off Thomson datasheets in my youth and they sucked then. So I'm a little surprised they are stil around.
Yes, I did them too . Normal, bridge and superbridge !
But to take the full picture, you should describe also the rest of the system...
'cos nothing plays alone.
Well I guess I had better hf hearing then.
And maybe more testosterone.
And 3-head tape decks.
And some unmemorable Japanese 3 way spekaers that had treble control pot on the front.
I had 2N3055 based ap then that sounded nice even with the handicaps above. The 2030 chipamp.. Well let's just say that it was a special kind of sound that may have suited a special kid of person. Too bad that didn't include me,, caveat though I did not have scopes or analyzers then other than the aural kind .....
And maybe more testosterone.
And 3-head tape decks.
And some unmemorable Japanese 3 way spekaers that had treble control pot on the front.
I had 2N3055 based ap then that sounded nice even with the handicaps above. The 2030 chipamp.. Well let's just say that it was a special kind of sound that may have suited a special kid of person. Too bad that didn't include me,, caveat though I did not have scopes or analyzers then other than the aural kind .....
Fact is they are so good and practical to use that they are still an Industry standard, go figure.
Only problem is that they didn't supply as much power as your 2N3055 based amps.
But as far as distortion, flatness, etc. they beat them big way.
Only problem is that they didn't supply as much power as your 2N3055 based amps.
But as far as distortion, flatness, etc. they beat them big way.
Ok fair enough ... Just to satisfy curiosity - anyone has some idea of when these were introduced ?
I think the LM380 was in the very early 70s maybe 71/72 - and the 2030 was sometime later?
I think the LM380 was in the very early 70s maybe 71/72 - and the 2030 was sometime later?
The GENIUS who invented the TO220 5 pin power amp was Milan based ST Engineer Bruno Murari.
All others are evolution or copies (sorry, "reverse engineering" 😉 ) of his designs.
Like most great men, he's too modest, so his story is told by others, even his competitors:
LM383
http://www.idea2ic.com/LM383/_Milan__a_Subtle_Artisan_.pdf
All others are evolution or copies (sorry, "reverse engineering" 😉 ) of his designs.
Like most great men, he's too modest, so his story is told by others, even his competitors:
LM383
http://www.idea2ic.com/LM383/_Milan__a_Subtle_Artisan_.pdf
Thank you - this is really fascinating. The human stories behind the little gems of their genius....
I wonder when it was that we stopped celebrating science and the people who make progress possible.
I wonder when it was that we stopped celebrating science and the people who make progress possible.
I wonder if there is any real difference between TDA2030 and TDA2030A. Looking at the data sheets there is a few volts difference in the rail voltage and that's about it. Any one vendor much better or different from the rest?
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