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That looks like pro-equipment that I can't justify for myself, but I'm curious if you could elaborate about the RME and Lexicon devices. Also what is a 'format converter' in this context? A sample rate converter? 

June 5 2017 4:08 PM, "Mark Donahue" <[log in to unmask]> wrote:
> I did a bunch of these transfers years ago and found that the AES output of
> the PCM 2700 fed my RME AES 32 card directly.
> WRT the emphasis, none of these devices does the de-emphasis in the digital
> domain. The PCM601 sends out whatever flag is encoded on the tape. We found
> that a lot of people bypassed the Emphasis on the F1 record, but many did
> not change the flag setting so the ape had the wrong flag. I still have a
> couple of Lexicon LFI-10 format converters to deal with these oddball
> tapes.
> All the best,
> -mark
> 
> On Mon, Jun 5, 2017 at 3:21 PM, Richard L. Hess <[log in to unmask]>
> wrote:
> 
>> Hi, Ellis,
>> 
>> My guess is that the DAT machine re-linearizes the audio before sending it
>> out the SPDIF spigot. I think DAT machines also throw in the de-emphasis,
>> but the ES-601 F1 system does not do that on its digital output but does on
>> its analog output (I think), but that is an earlier design.
>> 
>> Cheers,
>> 
>> Richard
>> 
>> On 2017-06-05 3:02 PM, Ellis Burman wrote:
>> 
>>> Hi Eli. Thanks for the update!
>>> 
>>> So, just to clarify, you used the built-in S/PDIF optical input on the G5?
>>> And the data was already re-linearized (there was some conjecture that the
>>> data might need to be processed using a lookup table to remove the
>>> non-linear encoding). If the audio was re-linearized, then I assume it
>>> was
>>> 16 bit and you captured at 16 bit and not 12 bit?
>>> 
>>> Did you find a method for 16 bit recordings that works reliably using a
>>> DDS
>>> drive?
>>> 
>>> Thanks,
>>> 
>>> Ellis Burman
>>> www.audiomechanics.com
>>> 
>>> --
>> 
>> 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.
Eli Bildirici
(347) 837-8337