Re: Speech Systems Symphony 12 & Piano attachment

Probably not. The piano keyboard was a key bed with no MIDI ability on its
own. It actually turned the CoCo into a synthesizer.

The CoCoMIDI would hook up to a MIDI keyboard.

On Tue, Aug 12, 2025 at 2:43 PM Mike Brant via Coco <[email protected]>
wrote:

> Would this connect to a midi keyboard?
>
> On Tue, Aug 12, 2025, 2:37 PM Brian Blake via Coco <[email protected]>
> wrote:
>
> > Awesome! Thanks Rob! Do you think you could get clear enough pics (
> without
> > much trouble )  to recreate the PCB?
> >
> > On Tue, Aug 12, 2025 at 2:35 PM Rob Rosenbrock via Coco <
> > [email protected]> wrote:
> >
> > > Yes, that’s it. It’s only needed to read the keybed in an 8x8 matrix,
> so
> > > not a lot of hardware needed. I opened mine to confirm, and mine does
> say
> > > stereo pack on the pcb.
> > >
> > > The ribbon cable is attached the same way - just tacked in without a
> > > connector, and some lines aren’t used.
> > >
> > > Sent from my iPad
> > >
> > > > On Aug 12, 2025, at 2:08 PM, RETRO Innovations via Coco <
> > > [email protected]> wrote:
> > > >
> > > > On 8/12/2025 10:43 AM, Brian Blake via Coco wrote:
> > > >> Hi Rob, thanks for sharing this info.
> > > >>
> > > >> Is there any way you could take some pic of the cartridge PCB - top
> &
> > > >> bottom? I'd like to get it documented and maybe try to reproduce
> it. I
> > > have
> > > >> a feeling items like these weren't sold in great numbers, and the
> > > >> documentation is non-existent.
> > > >>
> > > >> The irony here is, now that I know what some of these items are, I'm
> > > about
> > > >> 90% convinced I had the cartridge at one point, and sold it along
> with
> > > all
> > > >> of my CoCo stuff in 2017. I had a long white Speech Systems
> cartridge
> > > with
> > > >> a single DIN port on it - I think it was 5 pins. I had no idea what
> it
> > > was
> > > >> for then...
> > > >
> > > > I *think* this is the cartridge folks are referring to:
> > > >
> > > >
> > >
> >
> https://www.facebook.com/groups/2359462640/posts/10162805383202641/?__cft__[0]=AZUliL9M8eYMGwoHCa3zbvScy1p73RMJSuzybYYHuKRfcXSvBoh-hAEsiINz7xQiqpUBrV_fNadY9bIfqwEnYYgnx5jDzR7QzZ9AMchsoF5xUS-L36UB9TKet4kWU-hcCQQ3ATza2LhT3yuHCfW_w7Ltfa0NAg_QUszA_L_YaHwzsEw2zoJqafa7Z04-uD3fqoDBZO32Q-13zDhvj5w3lzin&__tn__=%2CO%2CP-R
> > > >
> > > > (Yes, I know it's FB, but I don't think this list accepts pics...)
> > > >
> > > > It looks like a Speech Systems Stereo Pak that has been partially
> stuff
> > > (PIA and decoding in place, but not R2R ladders or audio outputs)
> > > >
> > > > Jim
> > > >
> > > >
> > > > --
> > > > RETRO Innovations, Contemporary Gear for Classic Systems
> > > > www.go4retro.com
> > > > store.go4retro.com
> > > >
> > > >
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> > >
> > >
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> > >
> >
> >
> > --
> > Ohioan by birth, Floridian by the grace of U-Haul and a bad economy...
> > --------
> > Sarcasm is the body's natural defense to stupidity.
> >
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>
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>


-- 
Ohioan by birth, Floridian by the grace of U-Haul and a bad economy...
--------
Sarcasm is the body's natural defense to stupidity.

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