Re: Covox Voice Master

From: Francesco Messineo <*francesco.messineo_at_gmail.com*> Date: Wed, 12 Oct 2016 17:31:17 +0200 Message-ID: <CAESs-_xCXC9VK342c1zbWrpG68DycNjxG7OOWVNpGkbsJbqaxw@mail.gmail.com> · francesco.messineo_at_gmail.com

On Wed, Oct 12, 2016 at 5:01 PM, Steve Gray <sjgray@rogers.com> wrote:
> Sorry for jumping in late. I own an original Covox Voice Master like this:
>
> http://www.commodorespain.es/wp-content/uploads/2014/10/Voice-Master.jpg
>
> It connects to the user port. I have it open right now. There are two chips:
> ADC0804LCN and LM324N. So obviously an analog to digital converter and
> amplifier. The other components are normal resistors, capacitors, diodes and
> transistors. The pcb is single-sided. It looks like I hacked it long ago for
> some reason. The user port connector was removed, some traces cut, and wires
> added. I'm guessing I must have tried modifying it for use on the Amiga.
> Anyway, if anyone is interested in pics let me know.

It can be easily reproduced with modern components, there's only the
need to reverse engineer the user port pins to ADC chip pins
connections.
If someone is interested anyway.

Frank

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