schematic needed

milos_r · 16th January 2005, 07:21 PM

Hi all.

What I need is schematic for the amplifier which I will use in the club only, that’s means it will never be use in the house so the sound quality is not decisive. What are important about it are the power, reliability and simplicity.
By power I mean that’s it should have capability to drive 250W on 4W.
By simplicity I mean something like this: one IC on the input, couple of transistor for the driver stage, one transistor for the quiescent current and all of that must drive a couple of MJ15003/15004.
By reliability (most important) I mean that the protection circuit should heave short circuit protection, delay line for speakers, dc protection etc.
What I already have is power supply +-58v 600VA and lots of output stages transistors mj15003/1004.
Best regards Milos

sajti · 16th January 2005, 07:46 PM

I think LYNX amplifier is good choice for Your requirements.

Check it here!

sajti

milos_r · 16th January 2005, 10:22 PM

Thanks sajti
I am familiar with that design. But, I was houping that I could find something a bit simplier than that. Further more that design dont include protection circuit that is the most important thing.

Pozdrav iz Beograda

sajti · 17th January 2005, 07:15 AM

This is why I recommend the LYNX amp. It contains protection against short circuit. If You need reliable and powerful amplifier, You have to put enough transistors into Your design. I think that better to spent the money first time, and not change the failed components day by day.
MJ15003/4 are useful for this design and if You use 4 pairs there will be no problem, even with 2ohm load!

sajti

Upupa Epops · 17th January 2005, 07:37 AM

Milos, by the fart you can't make a miracle. Pozdrav do Beograda, Pavel

mik · 17th January 2005, 11:46 AM

Ako te interesuje imam kompletam clanak za Elektor PA 300 sa plocicom i shemom a to je upravo to sto tebi treba.Ako te interesuje posalji mi E-mail.

16th January 2005, 07:21 PM	#1
milos_r diyAudio Member Join Date: Jan 2004 Location: belgrade	schematic needed Hi all. What I need is schematic for the amplifier which I will use in the club only, that’s means it will never be use in the house so the sound quality is not decisive. What are important about it are the power, reliability and simplicity. By power I mean that’s it should have capability to drive 250W on 4W. By simplicity I mean something like this: one IC on the input, couple of transistor for the driver stage, one transistor for the quiescent current and all of that must drive a couple of MJ15003/15004. By reliability (most important) I mean that the protection circuit should heave short circuit protection, delay line for speakers, dc protection etc. What I already have is power supply +-58v 600VA and lots of output stages transistors mj15003/1004. Best regards Milos

17th January 2005, 07:37 AM	#5
Upupa Epops diyAudio Member Join Date: Aug 2003 Location: Prague,Czech Republic	... lot of transistors .. Milos, by the fart you can't make a miracle. Pozdrav do Beograda, Pavel

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16th January 2005, 07:46 PM	#2
sajti diyAudio Member Join Date: Apr 2003 Location: Vác, Hungary	I think LYNX amplifier is good choice for Your requirements. Check it here! sajti

16th January 2005, 10:22 PM	#3
milos_r diyAudio Member Join Date: Jan 2004 Location: belgrade	Thanks sajti I am familiar with that design. But, I was houping that I could find something a bit simplier than that. Further more that design dont include protection circuit that is the most important thing. Pozdrav iz Beograda

17th January 2005, 07:15 AM	#4
sajti diyAudio Member Join Date: Apr 2003 Location: Vác, Hungary	This is why I recommend the LYNX amp. It contains protection against short circuit. If You need reliable and powerful amplifier, You have to put enough transistors into Your design. I think that better to spent the money first time, and not change the failed components day by day. MJ15003/4 are useful for this design and if You use 4 pairs there will be no problem, even with 2ohm load! sajti

17th January 2005, 11:46 AM	#6
mik diyAudio Member Join Date: Dec 2001 Location: Serbia	Ako te interesuje imam kompletam clanak za Elektor PA 300 sa plocicom i shemom a to je upravo to sto tebi treba.Ako te interesuje posalji mi E-mail.

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