|
Post by Tobias on Jul 23, 2024 19:04:34 GMT
Wi-Fi extender? I have a 4G+ router sending ethernet direct to the EtherREGEN. 4G+ gives the same air-gapped isolation as Wi-Fi and a lot less local noise injection into the power lines. They use a certain model of WiFi extender, as seen in my signature, because it measure surprisingly low on noise, on its ethernet output (with a good PS). It is possible that your 4G+ router is doing the same of course and the concept is then the same.
|
|
|
Post by HD Music & Test on Jul 24, 2024 8:03:54 GMT
Tobias
The closest device that has an all in one pathway would be the Lyndorf power dac so to speak, this can accecpt a direct feed via RJ5, how good the signal integrity is inside the unit, I can't say, not a fan of the overall sound. However I feel this is what you are refering to yes?
|
|
|
Post by HD Music & Test on Jul 24, 2024 8:09:37 GMT
Wi-Fi extender? I have a 4G+ router sending ethernet direct to the EtherREGEN. 4G+ gives the same air-gapped isolation as Wi-Fi and a lot less local noise injection into the power lines. This is in my exprinace so the quietest and least costily method of keeping it clean, also remember that with a dedicated router you have zero other traffic on that device, mostly people have 15+ devices on ther same router, even if you fit a quality switch on top of this it still doesn't deliver the same performance imho.
So many of these basic thought out tweeks do work for most people, this is purely aboust signal integrity and how to preseve the original signal as untainted as possible from All forms of ingress, whether conducted, radiated or immunity.
However be reducing the main noise constituents, you are all ready is more advanced state before you get going on your journey imho
|
|
|
Post by stellabagpuss on Jul 24, 2024 8:39:04 GMT
|
|
|
Post by Tobias on Jul 24, 2024 8:40:32 GMT
Wi-Fi extender? I have a 4G+ router sending ethernet direct to the EtherREGEN. 4G+ gives the same air-gapped isolation as Wi-Fi and a lot less local noise injection into the power lines. This is in my exprinace so the quietest and least costily method of keeping it clean, also remeber that with a dedicated router you have zero other traffic on that device, mosty people have 15+ devices on ther same router, even if you fit a quality switch on top of this it still doest deliver the same performance.
So many of these basic thought out tweeks do work for most people, this is purely aboust signal integrity and how to preseve the original sigal as untainted as possible from All forms of ingress, whether conducted, radiated or immunity.
However be reducing the main noise constitiant, you are all ready is more advanced state before you get going on your journey imho
Yes, also agree on this. Having nothing else on the ethernet signal path is also very important. Contamination between switch ports even becomes a big problem when you are getting closer to a really low noise floor on the ethernet line. Even if the switch is a high-end audiophile grade one, i strongly believe.
|
|
|
Post by Tobias on Jul 24, 2024 8:45:57 GMT
Tobias The closest device that has an all in one pathway would be the Lyndorf power dac so to speak, this can accecpt a direct feed via RJ5, how good the signal integrity is inside the unit, I can't say, not a fan of the overall sound. However I feel this is what you are reffering to yes? I wasn´t actually thinking of a product but i know some DACs have optical input, in addition to RJ5. It was more that i heard the chief engineer of Innous saying that the optimal solution (in theory) would maybe be that a DAC (the actual chip) could handle an optical signal, but they can´t. So, it needs to be be converted back to RJ5 (PCM?) close to the DAC chip, which is not ideal since it will cause noise into the DAC chip.
|
|
|
Post by HD Music & Test on Jul 24, 2024 8:49:28 GMT
You could do this with an custom R2R discrete ladder dac (non dac chips) imho, we do this with A2D's for production line measurment feedback from upto 240 sensors protocal interfaces are not to difficult to configure imho
|
|
|
Post by Tobias on Jul 24, 2024 9:00:40 GMT
You could do this with an custom R2R ladder dac (non dac chips) imho, we do this with A2D's for production line measurment feedback from upto 240 sensors protocal interfaces are not to difficult to configure imho aha, interesting. Thanks for sharing.
|
|
|
Post by John on Jul 24, 2024 9:28:53 GMT
Just to say I have mixed results with the Throttle cable. On the Wiim pro and Aurender ACS100 a step forward. On the A15 it is a step backwards I am not sure if due to crosstalk issues or not needing as the A15 has Lan isolation.
|
|
|
Post by stellabagpuss on Jul 24, 2024 10:21:58 GMT
Just goes to show John... Still...as we mentioned, it's a,cheap bit of fun.
|
|
|
Post by Tobias on Jul 24, 2024 10:33:28 GMT
Just to say I have mixed results with the Throttle cable. On the Wiim pro and Aurender ACS100 a step forward. On the A15 it is a step backwards I am not sure if due to crosstalk issues or not needing as the A15 has Lan isolation. Is it the exact same gear the feeds the throttle in both situations? In my experience, it is all about what noise levels (and which frequencies they are in) that enters the Throttle Cable. Depending on the ferrite composition of your throttle it will target a certain amount and frequencies of noise and can only do so much, before the streamer. I also now think it is as simple as this, and very logical. (But i could be wrong!)
|
|
|
Post by John on Jul 24, 2024 11:07:52 GMT
Its the same wiring setup (but positioning has changed, just different equipment.)
|
|
|
Post by Tobias on Jul 24, 2024 11:23:25 GMT
That´s interesting! Then my theory does not seem to add up...
|
|
bencat
Rank: Quartet
![*](//storage.proboards.com/forum/images/stars/star_red.png) ![*](//storage.proboards.com/forum/images/stars/star_red.png) ![*](//storage.proboards.com/forum/images/stars/star_red.png)
Posts: 303
|
Post by bencat on Jul 24, 2024 11:39:07 GMT
Not tried this yet and the more I am reading the more it seems that it is really system dependant . It might be that reducing the winding number may make a cable better suited to a single system which would need experimenting with . Think this may be something I will try in the next few weeks . Has anyone got a spare Ferrite Ring ? If not are there any others looking to order from Mouser as a bulked up order makes sense due to the delivery fee which is more than the component cost .b
|
|
|
Post by John on Jul 24, 2024 11:54:36 GMT
Its a cheap mod. So I think no harm in trying.
|
|
|
Post by MartinT on Jul 24, 2024 12:00:00 GMT
If not are there any others looking to order from Mouser as a bulked up order makes sense due to the delivery fee which is more than the component cost . Cheaper from eBay.
|
|
|
Post by HD Music & Test on Jul 24, 2024 16:26:33 GMT
All I can say here is there are ferrites and they are ferrites, cost & performance are mutal bed fellows here. Also with these construction how many & tight the turns are make a difference as well imho.
|
|
|
Post by MartinT on Jul 24, 2024 16:31:33 GMT
Agreed, but I've spotted the exact same brand/models on eBay as on Mouser. Didn't look like Chinese knock-offs.
|
|
|
Post by Clive on Jul 24, 2024 16:49:50 GMT
I’ve got two Wurth ferrites and two Chinese ones of similar dimensions. Purely by luck I expect, I don’t hear a difference between the two types. Eric’s spec is for 8 turns, his measurements show no extra benefit with more than 8 turns nor any loss either. I have no doubt the make up of the ferrites will be important. It seems the measurements Eric took were for the Wurth ferrites which he chose for no other reason than he had one in his parts box. Lots of variables including tightness of windings, it’s interesting to experiment..for those of us who can measure the results.
|
|
|
Post by protegimus on Jul 24, 2024 19:15:15 GMT
John did you use the recommended combination of ferrites, cable and winding (follow the winding pattern [ref. Joe Reisert] for the toroid precisely), or your own variation? That could easily explain variation in the result, albeit conditions are going to vary for everyone.
Personally I haven't experienced any introduction of sibilance, far from it.
The version most of us have tested is referred to as v1, they are currently in the process of testing (following successful measurement) a v3 cable that is an iteration on the details @torben shared earlier in the thread. The later revision is tuned to more effectively filter noise at the lower end of the spectrum and shown effective for those not using the suggested wireless link or other strategy to implement true galvanic isolation.
For anyone interested in measuring that has suitable equipment capable of doing FFT as described above, there are details of how to construct a current probe here. Not for calibrated measurements obviously, but it is easily sensitive enough to detect the effects of the various chokes. Limitation for my measurements currently is a differential probe with the appropriate sensitivity and bandwidth - I'm using math functions for the moment, yet the benefits are clearly measurable for comparison purposes.
MartinT it will likely still be worthwhile you testing the throttle cable as its purpose is to attenuate common mode noise between the router/switch and endpoint, what's proved to be very effective in the last meter.
|
|