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Subject: Re: [ModularSynthPanels] Re: JH Polymoog Resonator Panel

From: Scott K Warren <scott@...>
Date: 2009-09-07

Very nice, Bill! This is the one I would like to buy (two of) from
Scott! I'm a big-knob guy too.

Here's hoping,

skw


On Sep 7, 2009, at 3:02 AM, wjhall11 wrote:

> Hi guys -
>
> I know this issue is probably ultimately sleeping until Scott Deyo
> has time in his line-up for fabrication, but looking back over Dave
> and Will's work here, I made a change to Will's 3U design to come
> closer to what I would want (FWIW).
>
> It has 3 input jacks, but no input attenuation. (this means an
> input mix buffer thing and an inverter built into the little
> breadboard area on the PCB a la Dave's idea.) It has a LINK output
> for ganging a couple resonators together.
>
> Image:
>
> http://www.dragonflyalley.com/images/JHpolymoogResonator/JHPolymoogResV4vIIwidth1-92in.jpg
>
> I like Dave's 2U design and it will probably be best for the
> majority of us. My own preference is for the bigger knobs - just
> 'cause I prefer them. My hope is that Scott will be able to make
> both versions.
>
> Thanks, All.
>
> Bill
>
>
>
> --- In ModularSynthPanels@yahoogroups.com, "wjhall11" <wjhall@...>
> wrote:
>>
>> OK, Mr. B., in that case, the output to the MIX jack should be re-
>> inverted, right? We could use one side of a dual op-amp for the
>> input mix inverter and the other side to re-invert the summed input
>> for the MIX jack.
>>
>> On the PCB drawing, Mr. Haible has the three pads labeled "DRY"
>> and, because his prototype photo has a pot there, Dad and I decided
>> it must mix input and the resonator output - so when I sketched out
>> the panel, I called it "MIX". If, when we see the schematic, it
>> bears out that this is what that control actually does, what would
>> you think of re-naming the output you're calling "MIX" to something
>> like "LINK OUT" to avoid confusion?
>>
>> In my latest 3U interpretation of your 2U interpretation of my/our
>> interpretation of a guess, I call the two outputs LINK OUT and RES
>> OUT. Just an idea. If we could but say these in Latin, I'm sure,
>> as Greg says, it would be so much more impressive.
>>
>> Will
>>
>>
>>
>> --- In ModularSynthPanels@yahoogroups.com, "djbrow54" <davebr@>
>> wrote:
>>>
>>> Yes, a mixing inverter. I don't know what the front end looks
>>> like yet to see if it can be expanded. If not, there is a
>>> breadboard area on the PCB which will eliminate the need for a
>>> second PCB to add an op amp.
>>>
>>> Dave
>>>
>>> --- In ModularSynthPanels@yahoogroups.com, "wjhall11" <wjhall@>
>>> wrote:
>>>>
>>>> Yes. That's good. Are you imagining a mixing inverter thing,
>>>> Mr. B, or just the inputs being tied together somehow?
>>>>
>>>> --- In ModularSynthPanels@yahoogroups.com, "djbrow54" <davebr@>
>>>> wrote:
>>>>>
>>>>> Mix is the summed output of the inputs. Out is the output of
>>>>> the resonator. I was thinking that Mix out might be handy if
>>>>> you wanted to cascade two resonators or run them in stereo.
>>>>>
>>>>> On the other hand ... as people have noted, you add another
>>>>> attenuator and have three inputs. I put a picture of it on
>>>>> there as well.
>>>>>
>>>>> Dave
>>>>>
>>>>> --- In ModularSynthPanels@yahoogroups.com, Scott Juskiw <scott@>
>>>>> wrote:
>>>>>>
>>>>>> I like it. I was hoping to build this into 2U.
>>>>>>
>>>>>> What's the difference between the MIX and OUT jacks? Is the MIX
>>>>>> jack
>>>>>> after the MIX pot and the OUT jack just the straight resonator
>>>>>> output?
>>>>>> If so, you could have 3 inputs by getting rid of the OUT jack.
>>>>>> Bottom
>>>>>> half of panel would be like this:
>>>>>>
>>>>>> IN1 pot, IN2 pot, IN3 pot
>>>>>> RES pot, PASS MODE switch, MIX pot
>>>>>> IN1 jack, IN2 jack, IN3 jack, MIX jack
>>>>>>
>>>>>> Just throwing out ideas.
>>>>>>
>>>>>> On 28-Aug-09, at 1:40 PM, djbrow54 wrote:
>>>>>>
>>>>>>> I used your layout design and did a 2U version with small
>>>>>>> knobs. I
>>>>>>> added a second input and attenuators to make for a more
>>>>>>> symmetrical layout.
>>>>>>>
>>>>>>> http://modularsynthesis.com/jhaible/resonator/polyres.htm
>>>>>>>
>>>>>>> Dave
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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>
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