Amplifier Making Suggestion

debipilu · 2nd January 2003, 11:43 AM

Hi Guys,

Lemme start by accepting that I am a dumb as far as electronic designing is concerned. But at the same time, I am an audiophile. I am in the process of making a home theatre system with 50W per channel on a 5 channel system. I have two tower spekers (Sony), gatheres a assembled 10+10 band graphic equaliser. I am running the system with a very old amp that I had in my college days. Now I am looking at making a amplifier to temporarily close the cycle.

I am in search of some suggestions and help from you guys in this direction. It would be of great help if you guys can guide me with the options available to make a amplifier of my own. If I make a amplifier with 5 channels and run only 2 channels for the time being, will it be good idea ? How would I make the 5 channels split without having a dolby/digital AV circuit in between ?

Guys, I dont understand very techy language. Please help me with this....

Thanks in Advance

Debi

SkinnyBoy · 2nd January 2003, 11:46 AM

LM3886
LM3876
LM3875

Make five channels, but just don't power 3 of em up, or just connect it all, it won't matter..

5 channels requires a decoder..

5 channel, or from your DVD player or whatever... is this the question?

debipilu · 2nd January 2003, 11:59 AM

Thank you SkinnyBoy,

You answered some of my questions about not powering the 3 channels.

Yeah I should have to use a decoder to split the channels. I am going in an incremental way coz out here in India, the things are pretty expensive. And can you suggest me how I should go about making a amp of my own ? Any circuits....or whatever you can help me with.

Thank you again...

Debi

SkinnyBoy · 2nd January 2003, 12:02 PM

Okay, let me try that again..

lol

Search for:

LM3886

LM3876

LM3875

they are all amplifier ICS, you can download the data sheets from www.national.com which include circuit diagrams..

halojoy · 2nd January 2003, 12:55 PM

Hello and welcome

debipilu

I am from Sweden and a very nice man who knows a lot.
(at least my friends thinks I am, not my Enemy)

Where On Earth is "Pune".

I have never been there, Yet ...

/halo

debipilu · 3rd January 2003, 03:01 AM

ha ha...

Nice to meet you HaloJoy. I am sure, you would be of great help to me with my queries. Well I am from India. Pune is city on the western part of India... near Bombay.

Have a nice time.

Debi

2nd January 2003, 11:43 AM	#1
debipilu diyAudio Member Join Date: Jan 2003 Location: Pune, India	Amplifier Making Suggestion Hi Guys, Lemme start by accepting that I am a dumb as far as electronic designing is concerned. But at the same time, I am an audiophile. I am in the process of making a home theatre system with 50W per channel on a 5 channel system. I have two tower spekers (Sony), gatheres a assembled 10+10 band graphic equaliser. I am running the system with a very old amp that I had in my college days. Now I am looking at making a amplifier to temporarily close the cycle. I am in search of some suggestions and help from you guys in this direction. It would be of great help if you guys can guide me with the options available to make a amplifier of my own. If I make a amplifier with 5 channels and run only 2 channels for the time being, will it be good idea ? How would I make the 5 channels split without having a dolby/digital AV circuit in between ? Guys, I dont understand very techy language. Please help me with this.... Thanks in Advance Debi

2nd January 2003, 12:55 PM	#5
halojoy On Hiatus Join Date: Nov 2002	Hello and Welcome, debipilu Hello and welcome debipilu I am from Sweden and a very nice man who knows a lot. (at least my friends thinks I am, not my Enemy) Where On Earth is "Pune". I have never been there, Yet ... /halo

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2nd January 2003, 11:46 AM	#2
SkinnyBoy Banned Join Date: Nov 2002 Location: Adelaide, Australia	LM3886 LM3876 LM3875 Make five channels, but just don't power 3 of em up, or just connect it all, it won't matter.. 5 channels requires a decoder.. 5 channel, or from your DVD player or whatever... is this the question?

2nd January 2003, 11:59 AM	#3
debipilu diyAudio Member Join Date: Jan 2003 Location: Pune, India	Thank you SkinnyBoy, You answered some of my questions about not powering the 3 channels. Yeah I should have to use a decoder to split the channels. I am going in an incremental way coz out here in India, the things are pretty expensive. And can you suggest me how I should go about making a amp of my own ? Any circuits....or whatever you can help me with. Thank you again... Debi

2nd January 2003, 12:02 PM	#4
SkinnyBoy Banned Join Date: Nov 2002 Location: Adelaide, Australia	Okay, let me try that again.. lol Search for: LM3886 LM3876 LM3875 they are all amplifier ICS, you can download the data sheets from www.national.com which include circuit diagrams..

3rd January 2003, 03:01 AM	#6
debipilu diyAudio Member Join Date: Jan 2003 Location: Pune, India	ha ha... Nice to meet you HaloJoy. I am sure, you would be of great help to me with my queries. Well I am from India. Pune is city on the western part of India... near Bombay. Have a nice time. Debi

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