Vintage Simmons Drums (UK) Users Group

I’m wondering if I could have some input or even experience from users that have tried to float the bus-board on SDS7?

 

Here is what I’m thinking. As we all know when the bus-board is rigid as Simmons intended it to be voice boards will lose contact when chassis is warped. What will happen if the bus-board is given the opportunity to flex? Here the rather thin PCB (for its size and function) might come to our advance as it does twist quite easily without much force.

 

The general idea is that we put pressure from back of bus-board and let it warp rather than forcing voice boards with wrong angle into the bus-board.

 

For practical implementation some patience with a Dremel cutting disk is needed to remove the front lips for the bus-board rails inside the lid. Leaving the backside of the rails where we glue on foam or try out some soft rubber strips for (car) doors.

At the bottom of the bus-board I’m wondering if screws can be replaced with those anti vibration/flexible silicone rubber pins popular on computer cooling fans?

 

For this to work ALL voice boards and CPU/memory MUST have the key inserts between pin 18-19 in place. Some experimenting to get correct/even back and front pressure will be expected.

 

Appreciate all comments. I’ll be surprised if similar isn’t already implemented and tested in some way or another past three decades.

 

TIA
Best
Hans

Hi,

my 12-voice SDS-7 have never displayed any contact issues so I'm
thinking: why fixing something that ain't broken? But on the other hand,
comparing to modular synthesizers I can get the benefits.

Keep us posted if you decide to go through with the plan.

--
electronically yours, jesper

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www.electronic-obsession.se

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Den 2016-04-16 kl. 23:59, skrev hr.public@... [Simmons_Drums]:

> I’m wondering if I could have some input or even experience from users
> that have tried to float the bus-board on SDS7?
>
> Here is what I’m thinking. As we all know when the bus-board is rigid as
> Simmons intended it to be voice boards will lose contact when chassis is
> warped. What will happen if the bus-board is given the opportunity to
> flex? Here the rather thin PCB (for its size and function) might come to
> our advance as it does twist quite easily without much force.
>
> The general idea is that we put pressure from back of bus-board and let
> it warp rather than forcing voice boards with wrong angle into the
> bus-board.
>
> For practical implementation some patience with a Dremel cutting disk is
> needed to remove the front lips for the bus-board rails inside the lid.
> Leaving the backside of the rails where we glue on foam or try out some
> soft rubber strips for (car) doors.
>
> At the bottom of the bus-board I’m wondering if screws can be replaced
> with those anti vibration/flexible silicone rubber pins popular on
> computer cooling fans?
>
> For this to work ALL voice boards and CPU/memory MUST have the key
> inserts between pin 18-19 in place. Some experimenting to get
> correct/even back and front pressure will be expected.
>
> Appreciate all comments. I’ll be surprised if similar isn’t already
> implemented and tested in some way or another past three decades.
>
> TIA
> Best
> Hans
>
>
>
> No virus found in this message.
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>