#1
Alright super smart amp design type peoples I got an idea. I've been playing with an old computer monitor and found this. To drive the deflection coils it uses a fricken HUGE transistor (actually, a few fricken huge transistors). Bigger than anything I've seen in a guitar amp. Anyhow, I found a datasheet on a transistor similar to this one (also from a computer monitor) http://pdf1.alldatasheet.com/datasheet-pdf/view/30427/TOSHIBA/2SC5587.html

And as you can see it uses huge powers. 1500v Collector-base voltage!? I imagine that you could make a guitar (and or bass) amp that was massively loud with a few of these puppies. Or would it just not work because the transistor is designed for high speed switching?
Last edited by LeviMan_2001 at Jun 16, 2010,
#2
I wouldn't try it... and it's not a physically huge transistor at all, in fact it's a very common dimension.
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Holy crap, check this out!
#4
Quote by LeviMan_2001
Alright, well maybe that's not a particularly good representation of the one I see (its down in the thing, so I can't read the code on it). But it's probably like 1/2 -3/4 of an inch tall.


Don't you think that guitar amp designers will have already scoured the datasheets for the most suitable transistors - I can't imagine many tapping their fingers on the workbench saying "What we need is frickin huge transistor - then we can make this puppy loud"

You're looking at this the wrong way round - you've seen a transistor which you've deemed as potentially suitable cos it's frickin' huge, whereas you need to work out how loud you want your amp & then let that requirement dictate the size of the tranny.
#5
Well I was thinking more along the lines of "can I make this work as an amp" because I love to turn old stuff into new stuff such as telephones into fuzz boxes (already did that) and such. I'm actually thinking that if it's plausible build a PA amp out of this thing, because I need one.
#6
Maybe Or you could just do what everyone else does to be loud.


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#11
Looking at the datasheet that you linked, the hfe, or DC current gain is the lowest I've seen in a transistor. That said, not every circuit for guitar related things needs super high gain, low gain is quite good for some things.