[Coco] Coco Cassette interface help

[RETRO Innovations]

On 2/28/2017 9:49 PM, Gene Heskett wrote:
>> If you think about it, in essence, that's exactly what the cassette
>> deck is doing by amplifying the signal into the range of amplitude
>> that is usable by an 8-ohm speaker which is slightly higher than line
>> level.  The whole problem here is that the cassette out is line level
>> and cassette in is speaker level. If you want to use the exact same
>> comparator circuit used on the cassette input of the CoCo then you
>> have to amplify your signal up to speaker level.  Alternatively, you
>> can tweak the comparator to work with line level.
Yes, of course, it is indeed the same two circuit setup (one in the 
cassette unit and one in the Coco).  I was merely noting that I'd prefer 
to get to a single stage, so I'd prefer to tweak the comparator.

Jim