[sdiy] Juno 6/60 SH rate for filter cv

[Adam Inglis]

The Akai AX80 and the Roland JX3-P use DCOs - how do they compare?


On 18/07/2012, at 4:34 PM, Richard Wentk wrote:

> Seconded. IMO the Juno 6/60/106 are easily the best sounding DCO  
> polys from that decade.
>
> Never heard envelope zippering on my 60 or my 106.
>
> Did have some issues with control resolution. There were a couple of  
> times when the cutoff slider stepping was too wide to get the cutoff  
> just so.
>
> But otherwise they're fun and they sound great.
>
> Richard
>
> On 18 Jul 2012, at 03:37, Kyle Stephens <lightburnx at yahoo.com> wrote:
>
>> Andrew,
>>
>> Fiddled with it as you suggested. No steps, no zip. I use self res  
>> with short envelopes a lot for minimal tech ish drum sounds. Often  
>> I put some OD on top, which would pick out glitches all the more  
>> were there any.
>>
>> I haven't heard it in any other scenario either for that matter.  
>> Just get one man, they're a lot of fun.
>>
>>
>> _Kyle
>>
>> --- On Tue, 7/17/12, Andrew Simper <andy at cytomic.com> wrote:
>>
>>> From: Andrew Simper <andy at cytomic.com>
>>> Subject: Re: [sdiy] Juno 6/60 SH rate for filter cv
>>> To: "Kyle Stephens" <lightburnx at yahoo.com>
>>> Cc: synth-diy at dropmix.xs4all.nl, "Gordon JC Pearce" <gordonjcp at gjcp.net 
>>> >
>>> Date: Tuesday, July 17, 2012, 7:14 PM
>>> On 18 July 2012 01:49, Kyle Stephens
>>> <lightburnx at yahoo.com>
>>> wrote:
>>>> I've never noticed stepping in my Juno-6. Then again
>>> I've never tried running CV to the filter, let alone
>>> approaching audio rates where presumably you might get that
>>> issue. Your foot (via a pedal) couldn't possibly move as
>>> fast as to make it glitch.
>>>>
>>>>
>>>> _Kyle
>>>
>>> Hi Kyle,
>>>
>>> The sample and hold CV controls the filter all the time.
>>> This is how
>>> the cutoff moves from everything, the lfo, the envelope. The
>>> scan rate
>>> of the controls effects the depth of the modulation, but
>>> that I don't
>>> mind so much since I have to manually move that, it's the
>>> things that
>>> are analog sources being sampled that I am interested in. An
>>> easy test
>>> is to get the filter into self osc, then apply a fast
>>> envelope down in
>>> pitch to the cutoff so the pitch ends at around 30 hz. If
>>> you hear any
>>> zippering then the sample and hold rate is too slow. You'll
>>> need to
>>> switch the amp to gate mode for this.
>>>
>>> All the best,
>>>
>>> Andy
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