Surely the most important thing is to get the power company to use audiophile fuses in their distribution network?
Not fuses, but audiophile power circuit breakers! 🙂
An externally hosted image should be here but it was not working when we last tested it.
Anyone who relies on clean mains to get their system sounding good is on a hiding to nothing.
Even with imaginary perfectly clean mains we then have switching diodes to mess it up again so my clean-up operation mostly begins after the bridge
Even with imaginary perfectly clean mains we then have switching diodes to mess it up again so my clean-up operation mostly begins after the bridge
He was changing the distribution of interconnect return current. The worse the RCA ground integrity, the more return current goes through the safety bonds.
I love the concept of the sampling bridge. I used one in the early 80's. It was really neat how they created the pulses that turned the bridge on, my first industry exposure to striplines. I also love the input bridges for their ability to clamp at incredible speeds so cleanly.
Just use the appropriate flux for the job. Once the intermetallics are formed, you're done.
When the joints alter the return path for the low level signals.
jn
A Small Suggestion...
http://www.newark.com/pdfs/datasheets/PanasonicEW/DS-RELAYS.pdf
TYPICAL APPLICATIONS
Besides telecommunications, measuring
devices, office equipment, computers
and related equipment, DS relays are
also recommended for a broad range of
applications including business devices,
audio systems, and industrial equipment.
I don't know if the contacts are bifurcated, but they do say Ag+Au clad.
These sealed relays are bistable, needing only a momentary coil current, and can have one coil or two coils for set/reset contact positioning.
I bought a handful of these from eBay for $3.00 each but never got around to trying them...they are in a box.....
These relays rely on a permanent magnet somewhere inside to operate the armature....I need to crack one open.
Anyway, my purpose in buying these was to determine if the internal magnet causes sonic mayhem....or not.
Else wise these ought to be a very useful 'non volatile' relay in all kinds of applications, including switched attenuators, source selection, etc...
Dan.
Some interesting reading... http://www.panasonic-electric-works.com/peweu/en/downloads/ds_x61_en_relay_technical_information.pdf
http://www.newark.com/pdfs/datasheets/PanasonicEW/DS-RELAYS.pdf
TYPICAL APPLICATIONS
Besides telecommunications, measuring
devices, office equipment, computers
and related equipment, DS relays are
also recommended for a broad range of
applications including business devices,
audio systems, and industrial equipment.
I don't know if the contacts are bifurcated, but they do say Ag+Au clad.
These sealed relays are bistable, needing only a momentary coil current, and can have one coil or two coils for set/reset contact positioning.
I bought a handful of these from eBay for $3.00 each but never got around to trying them...they are in a box.....
These relays rely on a permanent magnet somewhere inside to operate the armature....I need to crack one open.
Anyway, my purpose in buying these was to determine if the internal magnet causes sonic mayhem....or not.
Else wise these ought to be a very useful 'non volatile' relay in all kinds of applications, including switched attenuators, source selection, etc...
Dan.
Some interesting reading... http://www.panasonic-electric-works.com/peweu/en/downloads/ds_x61_en_relay_technical_information.pdf
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Max, we have been using relays like this for decades. The JC-80, Parasound PlD 2000, and the Parasound JC-2 use similar relays. They work OK, but Silver-on-Silver Shallco switches actually sound better. I try to minimize or avoid relays with my best efforts. Of course, they are better than many other alternatives.
Robert F, this is the way we learn what works in audio, and what doesn't. Laser welding is used to make 'more perfect' connections in several audio components. I have personally never done it and A-B, but I believe in it.
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I tried it last night on about 2' of freshly stripped wire and 10mA, didn't see any oxidation on either end.
I didn't use freshly stripped wire. I used an old RCA cable. The cable connector and the test jig connectors had different metal finishes. I examined the point of contact with a 10 diopter magnifier. The big variable is humidity. But thanks for actually doing a test. Do you have a setup to measure the distortion?
If anyone really cares I can repeat the test and take pictures.
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Ed, there is no voltage drop anywhere in the cable at 150uA so there is no driving force for surface oxidation. This is not at all similar to anodic corrosion which cost me and my neighbors lots of money. Seems the ground source heat pump ground and "grouind" had a couple of volts difference, when they pulled up the 1100' of well pipe some was gone.
Again an extraordinary claim from an experiment with lots of uncrossed t's.
Also when you make "connections" how do you control for the inevitable breaking through the surface and having a clean metal to metal contact.
I look at the point of contact before "Fixing" the cable and after. I also run a measurement. There are slight changes.
We are not talking about micro diodes or any such. Nor any effect on the conductor surface. It is at the point of contact for the connectors that changes when you "Restore the Electrons" (One silly claim for the process)
Yes, whenever you disconnect and reconnect any cable of the type you clean the connections. We have been over that. Many claims of cable improvement just come from cleaning. The issue here was not that the ends got cleaner but that one end appeared dirtier.
I've found a highly effective philosophy is to be always willing to do the overkill - make something considerably 'better' than normal thinking would suggest is necessary. If that creates a decent jump in quality then slowly back off in the overkill factor until one just perceives an audible change happening - an optimum for the current stage of refinement has been found.
Obviously, this is a tedious, long-winded process, painful to the max if one takes it seriously all the time - it's the 'ideal' way of doing things. But using that approach to a reasonable level has taught me many things, certainly much more than reading all the standard material.
Obviously, this is a tedious, long-winded process, painful to the max if one takes it seriously all the time - it's the 'ideal' way of doing things. But using that approach to a reasonable level has taught me many things, certainly much more than reading all the standard material.
JN: No - think it over. Blue channel is an inductive voltage drop on cable shield. Yellow channel shows what is in fact at the end of the coaxial cable - it is not that simple as voltage drop across the shield. That's how coax works. The other cable is a poor audio non-coax structure, then the shield current reflects in output voltage. Many 'audiophile' cables behave this way.
Respectfully, really these sort of posts are getting tedious, at least for me. Specific examples of what you do and what the impact is would liven things up just a tad.
Regards,
Rob.
As the hydrogen nuclei are spinning in/out of their natural range anyway, one might say they're also doing the tango.
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