Archived from groups: rec.audio.pro (
More info?)
This is a total guess, but I'm thinking perhaps the two standards of
either double wire or dual speed arose out of the desire to have one
standard backwards compatible with the old regular AES ports?
Like the dual wire setup would have one wire that could be plugged into
an "old style" 44.1kHz port if necessary whereas the dual-speed
connection could not be plugged into the old 44.1kHz AES inputs. Maybe
if you needed to feed a 44.1kHz DAT and a 88.2kHz HD machine, you could
do it at the same time with an AES DA and the dual-wire mode (where the
second wire provides the HD data and the first wire goes through the DA
to feed both recorders).
Of course, the dual-speed protocol would exist becuase it's just more
efficient and can be software switched to regular or HD speed. On the
other hand, it can only be one or the other at any given time.
Cheers,
Trevor de Clercq
play on wrote:
> This was from the DA-7 forum where I had asked a similar question:
>
> " My understanding was that the WZ could operate stock with AES high
> speed, giving 8 channels of 96k. If you need to run dual-mode and still
> want all 8 channels, then you need the AES card you bought ($19 is a
> good price...) But it sounds like you know that... :-)
>
> That being said, you are correct, any standard 110 ohm DB-25 to XLR
> cable should be fine.
>
> FWIW - i've bought an option card from promedia before - he's a good
> source for this type of stuff.
>
> BTW - welcome to da7.com! :-)
> --------------------------------------------------------------------------------
> Posts: 120 | From: Detroit | Registered: Aug 2002 | IP: Logged |
>
> playon
> New Member
> Member # 1755
>
> posted February 19, 2005 04:20 PM
> --------------------------------------------------------------------------------
> OK, now I'm the dummy -- what are the "dual" and "double speed" modes?
> (I've never used AES connectors before, I'm currently using the
> light-pipe to get in and out of a computer.) It was my understanding
> that you could only get 4 channels of 96k in & out unless you had the
> optional cards? If that is not the case, then what is the benefit of
> the cards?
>
> -------------------------------
>
> So, like I said in the above post... can anyone enlighten me as to the
> different speeds/formats of AES-EBU? As I say I haven't used this type
> of connector before...
>
> Al
>
>
>
> play_on wrote:
>
>>On Thu, 17 Feb 2005 16:12:20 -0800, "Benjamin Maas"
>><benmaas@nospamfifthcircle.com> wrote:
>>
>>
>>>"play_on" <playonAT@comcast.net> wrote in message ...
>>>
>>>>I have the cards that allow you to take a full 8 channels of 24/96
>>>>audio in and out of the WZ-AD96 and WZ-DA96. Without the cards
>
> you
>
>>>>can only get 4 channels at 24/96. But I need the connectors,
>
> which
>
>>>>are out of production and out of stock.
>>>
>>>Not exactly... You can get the full 8 channels out at 96K if you
>
> set it for
>
>>>single wire.
>>
>>How is this done? I assume there is a trade-off of some kind?
>>
>>You need the card with the DB25 connector if you want to get 8
>>
>>>outs of dual wire... I have the 96M version (the one with mic pres)
>
> and I
>
>>>use it mostly at 96K and this is how it works...
>>
>>BTW, how are those mic pres? I assume they are the same one from the
>>DA-7.
>>
>>
>>>>If you are insterested, Full Compass still has these in stock, at
>
> the
>
>>>>whopping price of $19 each (a nice markdown from the list price
>
> orf
>
>>>>$395):
>>>>
>>>>
http://www.fullcompass.com/products/pages/SKU--58545/in...
>>>>
http://www.fullcompass.com/products/pages/SKU--58543/in...
>>>
>>>Good to know... Thanks
>>
>>They also still have the TDIF cards for $19.
>>
>>Al
>
>