Quad Op Amp for Audio

Martin Czech martin.czech at intermetall.de
Thu Sep 2 15:28:45 CEST 1999


:::I am looking for suggestions for a standard QUAD OP AMP for
:::audio signals.  I guess what I need is a high speed, low noise OP 
:::AMP, hopefully not too expensive.  I have been using an LM837 
:::which works well.  Is there something better that is not 
:::extremely expensive?
:::
:::Thanks,
:::
:::Elliot
:::
:::PS.  In Electronic Projects for Guitarists, Craig Anderson uses a
:::dual op-amp, the NE5532.  I assume this is a very good chip
:::(cost $1.20 from digikey).  He also uses an XR4136 quad, but
:::I cannot find that.

quad: TL074 or 54
better are duals: OPA275 supersedes NE553x (from my head)
why quad? poor power decoupling for critical apps.

m.c.




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