I updated

http://richardhess.com/notes/formats/magnetic-media/magnetic-tapes/digital-audio/

to show the two tapes. The developed tapes do show a significant 
difference (and we're pretty certain the unknown one is X80).

Cheers,

Richard




On 10/17/2016 21:29, Richard L. Hess wrote:
> Thanks, Everyone for your suggestions and ideas both on and off list.
>
> I developed the tape and found that there were 8 digital tracks and the
> ananlog track appeared on the bottom of the tape.
>
> In discussing this with Dan Johnston of United Archiving in the old
> Ocean Way facility in LA, we both seemed to think this is most likely
> X80 from my day's worth of research. He's seen other tapes recorded
> later than the 1986 date of this being X80 format.
>
> If Dan and my client can agree, I'll be shipping the tape to Dan for
> transfer.
>
> Cheers,
>
> Richard
>
>
> On 10/17/2016 18:05, Richard L. Hess wrote:
> Both X86 and Sony 3402 DASH are similar (from the top of the tape)
>>
>> Aux 4 (analog 1, analog head -- following the audio convention)
>> Aux 3 (analog 2, analog head)
>> Digital 8, digital head
>> Digital 7, digital head
>> Digital 6, digital head
>> Digital 5, digital head
>> Digital 4, digital head
>> Digital 3, digital head
>> Digital 2, digital head
>> Digital 1, digital head
>> Aux 2 (CTL, digital head)
>> Aux 1 (Timecode, analog head)
>>
>
-- 
Richard L. Hess                   email: [log in to unmask]
Aurora, Ontario, Canada                             647 479 2800
http://www.richardhess.com/tape/contact.htm
Quality tape transfers -- even from hard-to-play tapes.