The cheapest op-amp on earth ?

ecman · 29th July 2004, 10:44 PM

How much would cost the cheapest stereo amp ?
Which part are required then ?
Which chip and what kind of power supply ?

Fritzell · 2nd August 2004, 08:28 AM

Check the TDA series out, and look up where you could get components. Heres i a handful of projects

http://www.electro-dan.co.uk/electronics/index.html

johnf · 2nd August 2004, 10:34 AM

If you also seek an opamp, the NE5532 offers quite a lot for the price – if you can accomodate their high input bias current. They are 28 cents each at www.riechelt.de.

29th July 2004, 10:44 PM	#1
ecman diyAudio Member Join Date: Jul 2004 Location: france	The cheapest op-amp on earth ? How much would cost the cheapest stereo amp ? Which part are required then ? Which chip and what kind of power supply ?

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2nd August 2004, 08:28 AM	#2
Fritzell diyAudio Member Join Date: Jul 2004 Location: Sweden	Check the TDA series out, and look up where you could get components. Heres i a handful of projects http://www.electro-dan.co.uk/electronics/index.html

2nd August 2004, 10:34 AM	#3
johnf diyAudio Member Join Date: Jun 2004 Location: Bremerhaven	If you also seek an opamp, the NE5532 offers quite a lot for the price – if you can accomodate their high input bias current. They are 28 cents each at www.riechelt.de.