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Old 3rd December 2012, 06:32 PM   #6481
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Tibi,
Can i add the puck to my order?
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Old 3rd December 2012, 07:01 PM   #6482
massimo is offline massimo  Italy
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Originally Posted by tvicol View Post
Use a minimum 1.5m length spdif cable.

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Tibi
Why 1.5 m minimum, Tibi?
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Old 3rd December 2012, 07:10 PM   #6483
DaveM is offline DaveM  United States
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I've never heard a good reason why cables of 1.5 m or longer sound better, but the consensus is that they do. As with all things cable related, if you ask why, you will get 10 different answers from 10 different people and likely none of them make much sense. I didn't ask why, I just got a 1.5 meter cable and moved on.
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Old 4th December 2012, 12:33 AM   #6484
yoaudio is offline yoaudio  United States
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Originally Posted by tvicol View Post
Non magnetic puck. Handmade aluminium.
Will be available for sale as well.

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Tibi
Let me know before my order ships and I will buy one, ship them all together.
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Old 4th December 2012, 12:57 AM   #6485
syklab is offline syklab  Hong Kong
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Tibi,
I want one with my order too, please let me know when to pay.

Thanks
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Old 4th December 2012, 03:58 AM   #6486
neoinc is offline neoinc  Singapore
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Tibi,
I like one too for my order.
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Old 4th December 2012, 06:49 AM   #6487
tvicol is offline tvicol  Romania
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In case you are interested, please drop me an email and IŽll send you an invoice.
Puck price is 32euro.

Regards,
Tibi

Last edited by tvicol; 4th December 2012 at 06:52 AM.
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Old 4th December 2012, 07:10 AM   #6488
syklab is offline syklab  Hong Kong
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Originally Posted by tvicol View Post
In case you are interested, please drop me an email and IŽll send you an invoice.
Puck price is 32euro.

Regards,
Tibi
Email sent.
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Old 4th December 2012, 07:30 AM   #6489
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Mail sent for puck and remote. Thanks again
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Old 4th December 2012, 07:49 AM   #6490
danzup is offline danzup  Romania
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Quote:
Originally Posted by massimo View Post
Why 1.5 m minimum, Tibi?
Digital cable length (from UHF Magazine):
"When a transition is launched into the transmission line, it takes a period of time to propagate or transit to the other end. This propagation time is somewhat slower than the speed of light, usually around 2 nanoseconds per foot, but can be longer… When the transition reaches the end of the transmission line (in the DAC), a reflection can occur that propagates back to the driver in the transport. Small reflections can occur in even well matched systems. When the reflection reaches the driver, it can again be reflected back towards the DAC. This ping-pong effect can sustain itself for several bounces depending on the losses in the cable. It is not unusual to see 3 to 5 of these reflections before they finally decay away. So, how does this affect the jitter? When the first reflection comes back to the DAC, if the transition already in process at the receiver has not completed, the reflection voltage will superimpose itself on the transition voltage, causing the transition to shift in time. The DAC will sample the transition in this time-shifted state and there you have jitter. If the rise-time is 25 nanoseconds and the cable length is 3 feet, then the propagation time is about 6 nanoseconds. Once the transition has arrived at the receiver, the reflection propagates back to the driver (6 nanoseconds) and then the driver reflects this back to the receiver (6 nanoseconds) = 12 nanoseconds). So, as seen at the receiver, 12 nanoseconds after the 25 nanosecond transition started, we have a reflection superimposing on the transition. This is right about the time that the receiver will try to sample the transition, right around 0 volts DC. Not good. Now if the cable had been 1.5 metres, the reflection would have arrived 18 nanoseconds after the 25 nanosecond transition started at the receiver. This is much better because the receiver has likely already sampled the transition by this time."
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Last edited by danzup; 4th December 2012 at 08:03 AM.
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