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In Reply to: RE: I'm not sure I posted this video before but since hum differentiation between 60hz amd 120hz is encountered posted by Michael Samra on January 28, 2015 at 02:12:32
...You're helping to spread bad amp upgrade practices. That guy is telling us that amp is workin real fine but it has 715P Orange Drops in it...the ones with the copperclad steel leads. Blech/gag/yuk. You need to get a hold of that guy pronto and set him straight before others follow his lead. ;-)
Follow Ups:
What about all the steel in the tubes? This is a serious question that I just saw brought up in another Asylum post. I had never though about it until recently. Of course, even if it is a problem it would still be prudent to minimize its use. Still, I wonder ...
Dave
...that's a great question that is usually followed by silence when it's asked. I bring it up whenever I see someone posting in the "tube" forums about how audible and bad steel conductors are. There's also the issue of steel chassis ground returns in most vintage and some current equipment. When there is a response, it usually circles around something like the active tube elements are above the curie temp (they mostly aren't) so not magnetic, or that they've been "cryoed" and so again not an issue and again not so.
My own personal experience is that I tend to avoid magmetic conductors but mostly because they're usually mechanically stiff and difficult to work with. Sonic differences esp when conductors are short and in tube circuits are pretty much non-existent from my POV. YMMV
Hi Steve,
It probably was your post that I saw! It is very hard to cut through this cable thing. While hucksters do exist, the are sincere people on both sides. I am planning to experiment, but I want to do it from a neutral point of view, and facts are facts.
On the other hand, many years ago I replaced the stainless steel jumpers on my NAD integrated amp with Auduioquest silver jumpers and heard a dramatic difference.
Dave
...the problem IMO is that well designed cables shouldn't make a significant difference. But up to a point, they apparently do which leads me to conclude that there are a lot of send/receive incompatibilities and/or poorly designed amps and cables out there. And then there's the objectivist/subjectivist thing...
Don't doubt you heard a difference when changing from stainless steel jumpers to silver. However, I'm really surprised a speaker mfgr would use SS jumpers at all: SS has got to be one of the shittiest conductors one could conceive. Would have been interesting to compare silver to copper.
They were pre to power amp jumpers on a NAD integrated amp. Sorry that I wasn't clear. I am doing some cable experiments now based on Duster's recommendation at the Cable Asylum.
Dave
!
The Mind has No Firewall~ U.S. Army War College.
I'll kill Dave for that.I'm going to set him straight tho.I'll send him some 716p orange drops as well..
"If it measures good and sounds bad, it is bad; if it measures bad and sounds good, you have measured the wrong thing."
- Daniel R. von Recklinghausen
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