is this gonna work?

temp123456 · 04:29 PM

i have shematic of lm741 as eq, and before buying anything i want to ask professionals does this shematic working ok

gfiandy · 14th December 2010, 07:25 PM

I recommend simulating this before building it. It looks like it may suffer from instability under some settings.

You can down load a good simulator for free from Linear Technology (LTspice)

Regards,
Andrew

tomchr · 14th December 2010, 07:37 PM

I strongly suggest using something other than an LM741. LME49710 would be a good candidate. Even the ancient LM5532 (dual) or OP-27 (single) would work well. The '741 will work as a proof of concept, but its sound quality leaves much to be desired to say the least. Aside from that, your circuit looks like a standard Baxandall equalizer. I see no reason it wouldn't work. You can skip the capacitor on the output if you want.

~Tom

temp123456 · 14th December 2010, 09:01 PM

btw i want to use it as stereo eq on my homemade tda amp, so should i go for it?
(yes i need to make two of them if i want stereo)

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
You guys aren't gonna believe this	Scanlines	Car Audio	5	29th October 2008 09:56 AM
How are you gonna get that through the door?	JRKO	Multi-Way	12	3rd July 2004 05:34 PM
Whats this gonna sound like?	Barq	Car Audio	3	25th May 2004 05:01 PM
OK, whose gonna clone these?	Jhovis	Multi-Way	11	15th December 2003 11:41 PM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

14th December 2010, 07:25 PM	#2
gfiandy Audio Engineer diyAudio Member Join Date: Jul 2003 Location: Cambridge UK	I recommend simulating this before building it. It looks like it may suffer from instability under some settings. You can down load a good simulator for free from Linear Technology (LTspice) Regards, Andrew

14th December 2010, 07:37 PM	#3
tomchr diyAudio Member Join Date: Feb 2009 Location: Greater Seattle Area	I strongly suggest using something other than an LM741. LME49710 would be a good candidate. Even the ancient LM5532 (dual) or OP-27 (single) would work well. The '741 will work as a proof of concept, but its sound quality leaves much to be desired to say the least. Aside from that, your circuit looks like a standard Baxandall equalizer. I see no reason it wouldn't work. You can skip the capacitor on the output if you want. ~Tom

14th December 2010, 09:01 PM	#4
temp123456 Account disabled at member's request Join Date: Dec 2008	btw i want to use it as stereo eq on my homemade tda amp, so should i go for it? (yes i need to make two of them if i want stereo)

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)