[sdiy] New ASM-1 pcb

[kmberry]

This sounds a little like the ASM-1 Genie.  It would be nice if you had 
face plates, cases, etc. so you could buy ASM-1 bundled like the 
proposed ASM-1 Genie.  All of your improvements are great but isn't it 
now a case of patched vs. prepatched?

Laurie Biddulph wrote:

> Hi,
>  
> I am the official supplier of the ASM-1 pcb and it has come time to 
> get a new batch of boards in. I wish to get feedback from you users on 
> a few points:-
> 1) would you like the board to stay exactly as is including a few 
> minor component omissions etc, or
> 2) would you like to see the board enhanced as follows:-
>
>     * track sizes all increased - signal tracks taken from 12mil to 15mil
>     * missing components added onboard (diode on gate for ADSR, output
>       resistor on ADSR and VCF, 10R resistor on ADSR ATTACK pot)
>     * ground plane on both top and bottom layers
>     * increased spacing on transistors
>     * improved component layout to handle wider range of component sizes
>     * option for both axial and SMD Tempco in VCO and VCF
>     * minor improvement to ADSR - replace GATE threshold pot with
>       resistive divider
>     * inclusion of jumper option for Linear and/or Logarithmic GLIDE
>     * trimpot on VCO to improve easy of setting-up
>     * board terminals on a 3.5mm pitch to allow for insertion of
>       terminal block
>
> 3) or, option (2) above plus the following modules:-
>
>     * Ring Modulator,
>     * MIDI-CV
>     * Power Supply (723 based design with small onboard heatsink
>       option [mount transistors off-board for larger heatsinking]
>     * Triangle output on VCO
>
>
> Best Regards
> Laurie Biddulph
>  
> http://www.ozemail.com.au/~boobies <http://www.ozemail.com.au/%7Eboobies>


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