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Advice: Amp building



 
 
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  #1 (permalink)  
Old July 17th 06, 07:34 AM posted to uk.rec.audio
Tim Guy
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Posts: 2
Default Advice: Amp building

I would love to build my own HiFi Amp.

Actually Powers amps, maybe valve.

I've had a quick Amazon search and Google search and found a few articles
but I wondered if anyone had bought and used a book, or followed any
particular plans.

Id like to maybe Bi-Amp and defo Bi-Wire

Cheers

Tim




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Old July 17th 06, 08:16 AM posted to uk.rec.audio
Eiron
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Posts: 782
Default Advice: Amp building

Tim Guy wrote:
I would love to build my own HiFi Amp.

Actually Powers amps, maybe valve.

I've had a quick Amazon search and Google search and found a few articles
but I wondered if anyone had bought and used a book, or followed any
particular plans.

Id like to maybe Bi-Amp and defo Bi-Wire


Audio Electronics by John Linsley Hood - your public library should have a copy.
It makes interesting reading and has a few interesting power amp circuits.

For your first amp you might be better using a kit such as:
http://www.williamshart.com/classa.htm
You will end up spending more than you would by just buying a decent amp
but any hobby takes time and money, and listening to your own work gives
a certain satisfaction.
As you learn, you will learn that biwiring is pointless, and biamping is
equally pointless without an active crossover such as:
http://www.bmm-electronics.com/Produ...roduct_ID=2300 .
So for a decent first project, you could build an amp with 4 power amps,
2 active crossovers (and ditch the crossover in your speakers) and have
something that will sound decent for the rest of your life.
My Linsley Hood 75w amp is 30 years old and still sounds as good as anything
you could buy today.

--
Eiron

No good deed ever goes unpunished.
  #3 (permalink)  
Old July 17th 06, 11:00 AM posted to uk.rec.audio
Jim Lesurf
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Posts: 3,051
Default Advice: Amp building

In article , Eiron
wrote:

Audio Electronics by John Linsley Hood - your public library should have
a copy. It makes interesting reading and has a few interesting power amp
circuits.


I'd add that if you wish to explore this topic, and perhaps be able to
design/understand/modify then the other books by JLH, and those by Doug
Self may well be useful.

For your first amp you might be better using a kit such as:
http://www.williamshart.com/classa.htm You will end up spending more
than you would by just buying a decent amp but any hobby takes time and
money, and listening to your own work gives a certain satisfaction.


Their kits are also useful as an easy starting point for some of the 'bits'
if you want to experiment. You may be able to find most of the items
cheaper elsewhere, and find a wider diversity, but they can be useful as a
'first stop' for things like a case or heatsinks, etc, if you don't want to
search for all the bits needed.

Slainte,

Jim

--
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html
Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html
Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html
 




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