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From: s117986@lehtori.tut.fi (Salmij{rvi Janne)
Newsgroups: comp.sys.amiga.audio
Subject: Re: Disable low-pass filter on Amiga 500?
Message-ID: <1991Mar14.104334.15725@cc.tut.fi>
Date: 14 Mar 91 10:43:34 GMT
References: <1391@ssp18.idca.tds.philips.nl>
Sender: s117986@cc.tut.fi (Janne Salmij{rvi)
Organization: Tampere University of Technology, Finland
Lines: 24


From article <1391@ssp18.idca.tds.philips.nl>, by fwvo@idca.tds.PHILIPS.nl (Ferdinand van Ommen):
> 
> How can I disable the low-pass filter on my Amiga 500?  (workbench 1.2)
> Audimaster II has this option, but when I use it I can not hear any
> sound improvement, although the red power light turns off.
> The soundsamples I use are made with samplingrates higher then 30khz, and
> the Amiga is connected to my hifi-equipment. But I can not hear any 
> differences in soundoutput using audiofilter enabled or disabled, 
> the soundoutput still has no high-frequencies.
> 
> Do I need to open my Amiga for soldering?
> 
> Thank you very much for any help.
> 
> Ferdinand van Ommen.
> -- 
> -- Ferdinand van Ommen -- fwvo@idca.tds.philips.nl -- ..!mcvax!philapd!fwvo --

I think you have an ancient A500 on which the filter just doesn't exist.
Otherwise just set 2nd bit on $bfe001.
 
-- 
					Janne Salmij{rvi
					s117986@cc.tut.fi