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Critic's Corner Discuss a review. Provide constructive feedback. Talk to the industry. |
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Critic's Corner Discuss a review. Provide constructive feedback. Talk to the industry. |
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In Reply to: Contrary to the "miles and miles" canard regarding posted by E-Stat on January 18, 2007 at 11:55:45:
right at the AC input jack of the gear (amp/preamp, whatever)
and good basic shielding/grounding practices INSIDE the gear,
practices which have been understood for over 50 years --then
you can take the $1800 "audiophile" AC cord and pitch it into
the nearest waste basket because it then would have nothing
whatever of use to add in way of additional shielding. Sad,
but very true. Even cheap interconnects can be made which
have a very high level of broad-spectrum RFI shielding. No
exotic materials or esoteric construction needed --again just
sound established design.IMHO, there are no good excuses why so many high-end manufacturers
seem to avoid taking even these basic steps to ensure proper
RFI shielding. It's like they never bothered to pay attention at
all to the radio engineering people. As a Ham radio operator who
uses multi-hundred watt transmitters and receivers which are
sensitive to two-tenths of a millonth of a volt (just like any
other radio guy) I have to laugh at how much money is absolutely
WASTED on silly snakeoil bandaids because some guys $20K "high-end"
preamp, CD player, whatever can't supress the tiny milliwatt RF hash
on the powerline generated by the power supply of a $1500 personal
computer or a $5 "wall wart" cell phone charger. What a Joke...And then some clown comes out with a $5000 "A.C. purifier" or
$1800 power cord as a "solution".What a carnival of the absurd.
-T.M.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RFI: With a $20 shielded RFI filter installed... - Thomas Martens 13:43:33 01/18/07 (7)
- Check out current leakage - unclestu52 20:25:05 01/21/07 (1)
- Been there, done that, ignored - pmkap 12:18:16 01/22/07 (0)
- Unfortunately, such is the case - E-Stat 13:30:12 01/19/07 (0)
- $5000 "A.C. purifier", $1800 Power Cord ... The Drama, The Drama... LOL nt - bjh 14:47:56 01/18/07 (0)
- Thanks, and a request - andy_c 14:11:12 01/18/07 (1)
- Well, I'd check .... - Thomas Martens 08:25:42 01/19/07 (0)
- Dead on about the Ham too ! NT - tomservo 13:55:03 01/18/07 (0)
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