Audio Project Amplifier Speaker Loudspeaker Kit
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bass boost - Click HERE for Original Thread
odysseybmx414
i was wondering what is the simplest way to build a simple bass boost circuit using a small op amp? maybe u could post me a schematic? thanx
guzzler
You could use a simple shelving filter, as used in the PPA.

http://elvencraft.com/ppa

C7, R7, S1. It's very simple and I really like the sound
odysseybmx414
but how would i connect that into a normal non-inverting amplifier like the one in the national datasheets
nafollec
One way to do it
http://www.linkwitzlab.com/filters.htm#9

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