A simple solid state mosfet amplifier...

Arcaman · 4th March 2009, 03:14 PM

Hi,
I'm really new on this helpful forum ... :-)

I'd like to build an easy power amplifier diy for my cd player with remore vol. control...
can you help me pls ?
I saw something interesting on a site named "aussieamplifier"...do you know it ?
Some one built it ?

Thank you for help... :-)

juma · 4th March 2009, 08:52 PM

Welcome !
I suggest you to get acquainted with the forum a bit, read the rules, and use the "search" button freely

Google is your friend also :
http://www.google.com/search?hl=en&q...earch&aq=f&oq=

This forum is full of good amps and you can't expect straightforward answer if you don't specify what exactly do you want (power rating, type of speakers you want to drive etc.)
The more specific your questions are, the better answers you'll get.
Have a nice stay here

Arcaman · 6th March 2009, 12:48 AM

Thanks, you very kind guy :-)

I'd like to drive a pair of Chario Hyper 2000 T ( 8 ohm, about 4 ohm min. ), so I think a true 100W - 120W rms ( good quality I mean..) is enough for my room ( 5 x 4,5 mt)...I like mosfet sound, and I found this, looking on this days..

http://www.aussieamplifiers.com/nxv300.htm

It's an Holton project, I think it fits to my needs... quite simple to wire i think but a little expensive if added to his PSU...but maybe it worths..what d y think ?
Is there some thread for aussieampli in the forum ?

Spassiba !

hitsware · 6th March 2009, 01:02 AM

[img]
http://home.comcast.net/~mnjmiller/2famp2.gif
[/img]

JPeitzman · 6th March 2009, 01:40 AM

That size of a room with approximately 90dB speakers, 100watts would drive them with additional headroom I would think. I will suggest this and I hope I don't get in trouble or anything, cross forum contamination. It is an awesome amplifier and should be more than capable of driving your speakers. Ultra wide bandwidth, low distortion, laughs at most speaker loads (sometimes giggles), and all FET's as per your request. It is about 25watts but can push some serious current if needed.

Just a thought, and welcome, enjoy your audio journey, once here you are in very good hands!

Cheers

James

ostripper · 6th March 2009, 02:06 AM

hello , arcaman.. I know it is hard to choose , I just wish I had
as many to choose from as now..

Look into the "PILE"

http://71.203.210.93/pdf1/Electronic...cts/Audio_amp/

bigger "pile" in My "WWW"
OS

Arcaman · 9th March 2009, 10:49 AM

mmhh...very interesting...
but i think I need something simple but ready to work...some module I mean... to design pcb, to test...etc... This time I need something ready...that's why I thought on aussieamp..

or this one :

http://www.amplimodules.com/2/products_639520.html

what about this one ? It's even a little bit cheaper...
But I don't know if has enough good performances..

blueskynis · 9th March 2009, 11:54 AM

Yea, ostripper has pretty good collection of simple to build amplifiers. Recommended! There are threads about them how to build and even order PCBs.

andymac62 · 11th March 2009, 05:45 AM

check out http://sound.westhost.com/projects.htm
many great projects on amps and a wide variety of things

Arcaman · 27th May 2009, 10:58 PM

Thanks so much for the kind indications...

On this time I saw so many interestings diy project...but I decided to buy a "national" ready to use module, this one:

http://www.amplimodules.com/2/products_639520.html

this amplimodule PW120 claims an audiophile degree of audio performance

let's see... I will receive it next week.
For my pockets is a little expensive, I hope will working honestly.
As supply filter first I'll try with a pair of 15,000uF Elna cerafine I have...
Anybody knows a good "antibump" or protection delay simple circuit ?
The amplifier pw120 have a 5V onboard relay, maybe can be controlled by the delay circuit

4th March 2009, 03:14 PM	#1
Arcaman diyAudio Member Join Date: Mar 2009	A simple solid state mosfet amplifier... Hi, I'm really new on this helpful forum ... :-) I'd like to build an easy power amplifier diy for my cd player with remore vol. control... can you help me pls ? I saw something interesting on a site named "aussieamplifier"...do you know it ? Some one built it ? Thank you for help... :-)

9th March 2009, 11:54 AM	#8
blueskynis diyAudio Member Join Date: Aug 2007 Location: Niš	Yea, ostripper has pretty good collection of simple to build amplifiers. Recommended! There are threads about them how to build and even order PCBs. __________________ Windows-free with Linux == blueskynet.dyndns-server.com ==

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4th March 2009, 08:52 PM	#2
juma diyAudio Member Join Date: Nov 2005 Location: Zemun	Welcome ! I suggest you to get acquainted with the forum a bit, read the rules, and use the "search" button freely Google is your friend also : http://www.google.com/search?hl=en&q...earch&aq=f&oq= This forum is full of good amps and you can't expect straightforward answer if you don't specify what exactly do you want (power rating, type of speakers you want to drive etc.) The more specific your questions are, the better answers you'll get. Have a nice stay here

6th March 2009, 12:48 AM	#3
Arcaman diyAudio Member Join Date: Mar 2009	Thanks, you very kind guy :-) I'd like to drive a pair of Chario Hyper 2000 T ( 8 ohm, about 4 ohm min. ), so I think a true 100W - 120W rms ( good quality I mean..) is enough for my room ( 5 x 4,5 mt)...I like mosfet sound, and I found this, looking on this days.. http://www.aussieamplifiers.com/nxv300.htm It's an Holton project, I think it fits to my needs... quite simple to wire i think but a little expensive if added to his PSU...but maybe it worths..what d y think ? Is there some thread for aussieampli in the forum ? Spassiba !

6th March 2009, 01:02 AM	#4
hitsware diyAudio Member Join Date: Mar 2002	[img] http://home.comcast.net/~mnjmiller/2famp2.gif [/img]

6th March 2009, 02:06 AM	#6
ostripper diyAudio Member Join Date: May 2008 Location: Albany , NY (smallbany)	hello , arcaman.. I know it is hard to choose , I just wish I had as many to choose from as now.. Look into the "PILE" http://71.203.210.93/pdf1/Electronic...cts/Audio_amp/ bigger "pile" in My "WWW" OS

9th March 2009, 10:49 AM	#7
Arcaman diyAudio Member Join Date: Mar 2009	mmhh...very interesting... but i think I need something simple but ready to work...some module I mean... to design pcb, to test...etc... This time I need something ready...that's why I thought on aussieamp.. or this one : http://www.amplimodules.com/2/products_639520.html what about this one ? It's even a little bit cheaper... But I don't know if has enough good performances..

11th March 2009, 05:45 AM	#9
andymac62 diyAudio Member Join Date: Mar 2009	check out http://sound.westhost.com/projects.htm many great projects on amps and a wide variety of things

27th May 2009, 10:58 PM	#10
Arcaman diyAudio Member Join Date: Mar 2009	Thanks so much for the kind indications... On this time I saw so many interestings diy project...but I decided to buy a "national" ready to use module, this one: http://www.amplimodules.com/2/products_639520.html this amplimodule PW120 claims an audiophile degree of audio performance let's see... I will receive it next week. For my pockets is a little expensive, I hope will working honestly. As supply filter first I'll try with a pair of 15,000uF Elna cerafine I have... Anybody knows a good "antibump" or protection delay simple circuit ? The amplifier pw120 have a 5V onboard relay, maybe can be controlled by the delay circuit

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