All about the Roland Jupiter-series

-----Original Message-----
From: Paul Schreiber [mailto:synth1@...] 
Sent: Thursday, January 06, 2000 11:25 PM
To: Mueller, Cord MED/ATL; 'analog heaven'
Subject: Re: [AH] << Jupiter 6 Popping on Attack and Release >>


This is called Control Voltage Feedthrough. It is common on non-trimmed
CA3080-based
VCA designs. You are hearing a DC shift in the VCA output.

Paul Schreiber
Synthesis Technology

----- Original Message -----
From: Mueller, Cord MED/ATL <cord.mueller@...>
To: 'analog heaven' <analogue@...>
Sent: Thursday, January 06, 2000 4:22 PM
Subject: FW: [AH] << Jupiter 6 Popping on Attack and Release >>


>
>
> Subject: [AH] << Jupiter 6 Popping on Attack and Release >>
>
> I'm still an analogue novice but have a question:  My J6 makes a
> slight
> popping noise on the attack and sometimes the release of a note.
> It's not
> terribly irritating but I am having a hard time ignoring it.
> Adjusting
> some of the sliders (VCF and envelope) sometimes makes the popping
> less
> prevalent but it is still there.
>
> Mine did this too. Especially with low filter settings. Also, at the
> end of a sound you will hear stepping in the VCA, like little noise. Not a
> big deal but it looks like that is the price you have to pay for fast
> software envelopes.
>
> Cord
>
>
>


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