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Old 30th December 2010, 09:27 PM   #1
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jkuetemann's Avatar
Join Date: Dec 2010
Location: Paris, Ontario
Default Favourite Transistors

My first real post here, please bear with me. I did do some searching first.

I have been on a bit of an audio building hiatus and am looking to get things started back up with a new project. My personal stocks are looking rather low and am looking to resupply myself. So, the question is:

For new from scratch, BJT based amplifier projects, what are the favoured devices folks are using these days? I generally target the 50W - 200W into 8Ω power range and use class B output.

Favourites for input, differential pairs, current sources?

Favourites for VA and Vbe multiplier?

Favourites for driver and outputs?

I know there are thousands of devices out there, but folks must have some stand-out favourites for audio. I'm primarily interested in current production and easily obtained in Canada. Also, when choosing devices for the various functions / stages what general parameters should be given highest ranking in terms of importance?

Let me know what devices get your electrons flowing and why! Thanks.
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Old 30th December 2010, 10:16 PM   #2
AndrewT is offline AndrewT  Scotland
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Location: Scottish Borders
Small Signal Transistors

and discussion here
Transistor data with sorting
regards Andrew T.
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Old 30th December 2010, 10:22 PM   #3
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Join Date: Apr 2008
Location: Carlisle, England
VBE MPSA42. VAS MJE340/350.

Or scratch the lot and go class D.
Murton-Pike Systems PCBCAD51 pcb design software. http://murtonpikesystems.azurewebsites.net/
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