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Sorry I was vague. This is a two channel recording (as far as I know) 
and is on 1/4-inch tape. I received an offlist response that indicated 
this was necessary to help some people help me.

Sorry for the intrusion.




On 10/15/2016 19:35, Richard L. Hess wrote:
> I ahould have added:
>
> It was made by/for Prestige Productions in Birmingham. My contact said
> that they originally thought a Betamax digital recorder (PCM/F1, I think
> he means) was going to be used then they showed up with this...but he
> doesn't know what it was. He thought Sony.
>
>
>
> On 10/15/2016 19:06, Richard L. Hess wrote:
>> I was asked to turn a DASH tape into files. The tape owner was fairly
>> certain it was made on a SONY machine.
>>
>> It would not play on my 3402 which still plays other tapes.
>>
>> I baked the tape prior to playback which has been necessary for at least
>> a few years and is being done in Hollywood on multi-track DASH.
>>
>> I believe the tape is tails out, but I could not hear anything on the
>> aux tracks. When played backwards, I can hear backwards organ sounds (it
>> is a theatre pipe organ recording) on one channel only.
>>
>> It appears to be about 15 in/s.
>>
>> I have posted on my website after much research that there are five
>> variations of the Mitsubishi Pro-Digi format.
>>
>> 1. The original X-80 machine had a 50 kHz sample rate. It’s tapes will
>> play back properly on a 50 ks/s X-80, or 4% slow on a 48 ks/s X-80 or an
>> X-86C.
>>
>> 2. Later X-80 machines had a 48 kHz sample rate. It’s tapes will play
>> back properly on a 48 ks/s X-80 or an X-86C. Presumably they will also
>> play 4% fast on an original, 50 kHz X-80.
>>
>> 3. The switchable 44.1/48 ks/s X-86 tapes will play on an X-86, X-86C,
>> and X-86HS.
>>
>> 4. The high-resolution (88.2/96 ks/s) X-86HS tapes will only play on
>> that machine.
>>
>> 5. The “radio-station” 7.5 in/s tapes made on the X-86LT will only play
>> on that machine.
>>
>> As far as I know there is only one Sony format.
>>
>> So what do you think this tape might be?
>>
>> Thanks!
>>
>> Cheers,
>>
>> Richard
>>
>>
-- 
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.