[Coco] Speech Systems Symphony 12 & Piano attachment

[Mike Brant]

The philharmonic 12 software is any of its compatible with a midi cart ?

On Tue, Aug 12, 2025, 2:46 PM Brian Blake via Coco <coco at maltedmedia.com>
wrote:

> 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 <coco at maltedmedia.com>
> wrote:
>
> > Would this connect to a midi keyboard?
> >
> > On Tue, Aug 12, 2025, 2:37 PM Brian Blake via Coco <coco at maltedmedia.com
> >
> > 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 <
> > > coco at maltedmedia.com> 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 <
> > > > coco at maltedmedia.com> 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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> > > --------
> > > Sarcasm is the body's natural defense to stupidity.
> > >
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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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