Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!decwrl!deccrl!bloom-beacon!eru!hagbard!sunic!kuling!cia.docs.uu.se!andand From: andand@cia.docs.uu.se (Anders Andersson) Newsgroups: comp.sys.amiga.audio Subject: Re: Disable low-pass filter on Amiga 500? Keywords: audio-filter Message-ID: Date: 20 Mar 91 12:30:12 GMT References: <1391@ssp18.idca.tds.philips.nl> Sender: news@kuling.UUCP Lines: 20 In <1391@ssp18.idca.tds.philips.nl> fwvo@idca.tds.PHILIPS.nl (Ferdinand van Ommen) writes: >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? If your Amiga is a very early model then: yes, soldering is required, else it can be done by turning of the power light in software, quick and dirty (the way you shouldn't do it - but everybody does it) by setting or clearing a bit at 12574721 decimal (I think). -Anders Andersson (andand@cia.docs.uu.se - mail just *might* get through, but I wouldn't bet on it)