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CHORD ELECTRONICS DAVE
Sep 5, 2018 at 12:53 AM Post #12,241 of 25,868
I made it easy - the Hugo M scaler has a pass through mode (with filter gain equalised) so it's dead easy to hear it; the switch is labelled OP SR, and red is pass through, green is 176.4/192, (1/4 M taps) blue is 352.8/384 (1/2 M taps) and white is the full 705.6/768 1M taps.

Edit: only white enables the dual data mode, all the others are single data mode with one BNC active and the other disabled.
 
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Sep 5, 2018 at 12:55 AM Post #12,242 of 25,868
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Sep 5, 2018 at 8:07 AM Post #12,243 of 25,868
I have now confirmed that using a DAP Questyle QPR1 as a digital source that neither KabelDirekt nor Sysconcepts plastic fiber cable works with DAVE for 192/24 but both cables work perfectly with HUGO2. So my conclusion is that the Toslink receptical on the DAVE is either less sensitive than on th HUGO2 or there is simply a mechanical issue getting the transmitted light deeper into DAVE’s receptacle. Has anyone been able to modify the Toslink cable insertion plug to seat deeper into the DAVE with success?
 
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Sep 5, 2018 at 8:31 AM Post #12,244 of 25,868
tunes said:
I have now confirmed that using a DAP Questyle QPR1 as a digital source that neither KabelDirekt nor Sysconcepts plastic fiber cable works with DAVE for 192/24 but both cables work perfectly with HUGO2. So my conclusion is that the Toslink receptical on the DAVE is either less sensitive than on th HUGO2 or there is simply a mechanical issue getting the transmitted light deeper into DAVE’s receptacle. Has anyone been able to modify the Toslink cable insertion plug to seat deeper into the DAVE with success?
Click to expand...

I don't know if you can see on the attached photo but on the left connector I unscrewed the cap a bit, maybe 5mm, and then cut off the exposed threaded plastic which means the actual optical connector can be pushed home into the Dave socket until it clicks in place. The connector on the right is unaltered.

IMG_6087.jpg
 
Sep 5, 2018 at 9:04 AM Post #12,246 of 25,868
Sep 5, 2018 at 11:13 AM Post #12,247 of 25,868
Sep 5, 2018 at 11:24 AM Post #12,248 of 25,868
The original Toslink cables supplied with the DAVE are readily available in different lengths from Farnell or Newark.
I agree with Rob Watts that sometimes audiophile cables induce more RF noise and some are poorly constructed since they are assembled by hobbyists and small companies that don’t have the resources/access to more advanced construction methods.
 
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Sep 5, 2018 at 1:31 PM Post #12,249 of 25,868
iDesign said:
The original Toslink cables supplied with the DAVE are readily available in different lengths from Farnell or Newark.
I agree with Rob Watts that sometimes audiophile cables induce more RF noise and some are poorly constructed since they are assembled by hobbyists and small companies that don’t have the resources/access to more advanced construction methods.
Click to expand...

And of the 110 items listed at Farnells, which is the one Chord supplies with the Dave?
 
Sep 5, 2018 at 2:52 PM Post #12,250 of 25,868
Crgreen said:
And of the 110 items listed at Farnells, which is the one Chord supplies with the Dave?
Click to expand...

I wondered if anyone else had noticed that.
 
Sep 5, 2018 at 2:58 PM Post #12,251 of 25,868
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Sep 5, 2018 at 4:28 PM Post #12,252 of 25,868
iDesign said:
The cables are from Pro-Signal and you can select any length you need. Chord includes the PSG0081 with the DAVE. I suspect Chord sources their cables from Farnell because the exact DAVE, Hugo, Hugo2, Hugo TT, Hugo TT2, and Mojo cables are all available in bulk there.
https://www.newark.com/mcm/psg00881/3-toslink-optical-cable/dp/64T7399?st=prosignal toslink
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Just to be clear, do you mean this one, with 2.2mm OD (presumably outer diameter) rather than 4mm?

https://cpc.farnell.com/pro-signal/psg03967/lead-toslink-plug-to-plug-2-2mm/dp/AV25273
 
Sep 5, 2018 at 5:45 PM Post #12,253 of 25,868
Sep 5, 2018 at 5:58 PM Post #12,254 of 25,868
iDesign said:
The PSG00881 that I linked to in my previous post is the one supplied with most DAVE units. However, it’s possible that over the years they shipped DAVEs with slightly different cables.
Click to expand...

Okay thanks. That cable has a 4mm outside diameter, which I think might be the one used by most Toslink cables. There is however, a 2.2mm diameter termination, which might be the input fitting used on the Dave, but not other Chord DACs. That would explain why 4mm terminations do not fit snugly into the Dave, and need to be trimmed back in order to do so.

Very kindly, Chord are sending me a further Toslink cable for the Dave for my second optical connection, so I’ll do a quick compare when it arrives, and report back.
 
Sep 5, 2018 at 10:55 PM Post #12,255 of 25,868
iDesign said:
The original Toslink cables supplied with the DAVE are readily available in different lengths from Farnell or Newark.
I agree with Rob Watts that sometimes audiophile cables induce more RF noise and some are poorly constructed since they are assembled by hobbyists and small companies that don’t have the resources/access to more advanced construction methods.
Click to expand...

Do you have links to all the other cables supplied with the DAVE?
 
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