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- Sep 7, 2002
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After a few years hesitation on this topic I finally purchased a number of RCA caps, specifically the Cardas C caps, $2.25 @ from linearinterconnects.com. The theory behind these is to keep stray electrical noise from coming through the open holes of the unused RCA plugs. To decide about them I first tried the cheap route, covering the various unused RCA plugs with aluminum foil. I thought I could hear a difference so I splurged a few bucks on caps.
I just got these in the mail today and have put three in place on my office system, a cheap Technics CD player SLPG480A, running to an old Musical Fidelity X-ACT D-A converter, feeding a Stax SRM-3 Amp and Stax Lambda Nova phones. Not much else in the way of other tweaks, except an unpgraded power cord for the Stax amp, Sorbethane feet under the cd player and amp, and various bits of sorbethane stuck to the cd drive and circuit borad of the player. I however, do a lot to my cd's sand the edges, paint and polish as in Auric Illuminator, weight them with the old Allsop cd rings, and use Herbies grungebuster.
There are only three open RCA's in this system, two on the player, because it is hooked up to the converter with an optical cord and one on the converter, which would be the digital input.
The caps were a definite improvement over aluminun foil. There was a significant reduction in harshness of sound, so that most sounds were sweeter, the overtones were more distinct and there was even an increase in dynamics. I listened to Starvinsky's Firebird (London- Montreal) and found some of the orchestral attacks quite ferocious. A collection of Mexican songs by Linda Ronstadt Asylum, Canciones de mi Padre was hard to listen to on the stats because it was very harsh, close-miked and forward sounding. It is now very much more listenable and some of Ronstad's attacks are so dynamic, they just about take my head off.
I feel that the best tests of any improvement in your system, whether it's new equipment or tweaks, are 1) do you hear better things from recordings with which you are very familiar and 2) do they make you want to just sit down and listen to a lot of other recordings too. The caps meet both these tests well.
Not bad for a $7.75 tweak.
I just got these in the mail today and have put three in place on my office system, a cheap Technics CD player SLPG480A, running to an old Musical Fidelity X-ACT D-A converter, feeding a Stax SRM-3 Amp and Stax Lambda Nova phones. Not much else in the way of other tweaks, except an unpgraded power cord for the Stax amp, Sorbethane feet under the cd player and amp, and various bits of sorbethane stuck to the cd drive and circuit borad of the player. I however, do a lot to my cd's sand the edges, paint and polish as in Auric Illuminator, weight them with the old Allsop cd rings, and use Herbies grungebuster.
There are only three open RCA's in this system, two on the player, because it is hooked up to the converter with an optical cord and one on the converter, which would be the digital input.
The caps were a definite improvement over aluminun foil. There was a significant reduction in harshness of sound, so that most sounds were sweeter, the overtones were more distinct and there was even an increase in dynamics. I listened to Starvinsky's Firebird (London- Montreal) and found some of the orchestral attacks quite ferocious. A collection of Mexican songs by Linda Ronstadt Asylum, Canciones de mi Padre was hard to listen to on the stats because it was very harsh, close-miked and forward sounding. It is now very much more listenable and some of Ronstad's attacks are so dynamic, they just about take my head off.
I feel that the best tests of any improvement in your system, whether it's new equipment or tweaks, are 1) do you hear better things from recordings with which you are very familiar and 2) do they make you want to just sit down and listen to a lot of other recordings too. The caps meet both these tests well.
Not bad for a $7.75 tweak.