[Boatanchors] Audio Amplifiers (And, no, I'm not an audiophool!)

J. Forster jfor at quikus.com
Wed Dec 25 19:59:46 EST 2013

You might troll on trash day or at the dump. Old "HiFi" integrated stereo
amps go for next to nothing.




> Sooo ... I checked out Line Level at Wikipedia and what usually happens
> happened.  I wound up following links to other pages which lead to more
> pages and I spent a good part of the morning getting an education in
> subjects I'll likely never use but were enjoyable to read anyway.
> And then I went to Fun With Tubes and the same thing happened.  I'd
> forgotten that site (terrible mistake, I know) so it was quite enjoyable
> getting caught up on things of a hollow nature.
> As I mentioned to someone in email, I'm in a financial situation due to
> massive cash outlay for computers - a memory replacement for this machine
> (my laptop), a replacement for a machine that let all its smoke out and a
> new hopped up gaming machine to manage the graphics & video aspects of the
> Noelle AV Project* of which the audio amp is part.  As a result, I have to
> use what I have on hand as far as possible which I think means the only
> thing I should need to buy are the output transformers and power supply
> chokes.  (Actually I need power supply & audio chokes for everything since
> that cupboard is totally barren.)
> * The Noelle AV Project is designed to let my daughter and me be together
> in
> a digital universe since we can't be in this one for a while.  She's
> terminally ill and while she acknowledges she needs Daddy, she doesn't
> want
> me to see her as she is now but rather remember the happy, lovely, lively
> girl I raised as a single parent.  She just turned 36 and if she lives to
> see 40 we'll take it as a miracle ... although she's stubborn and is a
> fighter which improves her odds rather a lot.  Anyway, the project entails
> 3D graphics and animations kind of like the animated movies but at a far
> lower and more affordable level.  Even so, it requires a very hot machine
> to
> handle and going into debt was the only way I could manage getting one.
> For
> anyone or anything else, I wouldn't bother but for Noelle ... well, she
> trumps everything else, especially now.
> Mele Kalikimaka me ka Hau'oli Makahiki Hou!
> Michael, K3MXO, BL01hx15np24 ... or there abouts
> Note to self: Hire new henchmen.  Good ones this time.  Also start
> interviews for attractive female lab assistant.
> http://www.nationalmssociety.org/chapters/NTH/index.aspx
> http://wh7hg.blogspot.com/
> http://kludges-other-blog.blogspot.com
> Hiki Nô!
> -----Original Message-----
> From: Steve Mulder [mailto:smulder3 at cox.net]
> Sent: Wednesday, 25 December, 2013 06:00
> To: Michael Tauson; Boatanchors at puck.nether.net
> Subject: Re: [Boatanchors] Audio Amplifiers (And, no, I'm not an
> audiophool!)
> Michael,
> You might find these links helpful:
> https://en.wikipedia.org/wiki/Line_level (see the section on Impedances)
> http://www.angelfire.com/electronic/funwithtubes/Amp_Design.html
> (Designing an Amplifier)
> http://www.angelfire.com/electronic/funwithtubes/Amp-Tone-A.html
> (Practical Tone Control Circuits)
> Steve
> On 12/25/2013 12:55 AM, Michael Tauson wrote:
>> Anyway 
 now that I’ve drifted into a stream of consciousness thingie,
>> any
>> suggestions would be greatly appreciated.
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