SH-101 filter problem

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craggno
Newbie
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Posts: 2
Joined: Sun Aug 13, 2006 4:31 pm
Location: Toronto. Canada

SH-101 filter problem

Post by craggno » Sun Apr 06, 2008 3:59 pm

It appears that the filter is not working....it is behaving like the filter cutoff is having no effect. I suspect the IR3109 chip is dead (although I don't have the ability to test this per se) everything else is working fine. Does anyone know where someone could buy a replacement filter? Thanks for your help. I have searched all over the internet and am beginning to panic a little.

Thanks
Spectralis, Modular Keyboard, MKS-80/MPG, Alpha Juno, MS-20, Minimoog, SH-101, Microwave I, DX7, Midi-Talking Synth, MBase 01, Machinedrum SPS-1, Sidstation, Kenton Pro 2000
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plus321
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Joined: Tue Feb 13, 2007 2:44 am
Location: Pittsburgh, PA

Post by plus321 » Sun Apr 06, 2008 6:42 pm

Check your slider. I think if the filter chip was dead you would hear nothing at all since the signal is hardwired through that chip.

Try to crank up the resonance and/or use a negative envelope and see if you can get the cutoff to change.
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sam
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Joined: Wed Jun 21, 2006 10:09 pm
Location: Europe

Post by sam » Sun Apr 06, 2008 6:53 pm

Just check the slider and it's not that often those chips fail.
Roland Vp330 mk1.SH101.juno 6.OSCar.ARP odyssey..Tonus 2600..omni.
ms20/50. OBX.
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