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interconnects fix a slight sibilance???

207.108.105.95
Posted on July 12, 1999 at 22:46:12
nocturne


 
I am using a Jolida 502 with an Audio Alchemy ACD Pro CD player, and a pair of Kef 103.3's. I have GE 6681's and Brimar 6060's which give me just the sound I'm looking for...except. A slight sibilance is nagging me on certain female vocals. I am using the Kef Kube between the CD and the amp, and I have some relatively inexpensive interconnects. Now, then, is there a reasonable interconnect which might eliminate, or reduce this bit of sibilance, or am I looking in the wrong direction here? I do suspect some of my CD's are not of the best recording, but, ho hum, I like them, and hope to come up with a compromise. My old CD player, a Yamaha didn't give me this trouble, with the same setup otherwise, but it didn't give the dynamics that the AA does. Using 5751 tubes did help, but the sound is better overall with the 6681's Any suggestions?

thanks.

happy listening

 

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Re: forgot to add:, posted on July 12, 1999 at 23:12:01
nocturne
 The interconnects I am using are Tributaries A-3. Cheap, I know, but around here, the pickin's are slim, and my experience with cables is very limited.

 

right issue, wrong prescription, posted on July 13, 1999 at 00:45:46
Mart
 KEF's are notorious for unmatched drivers efficiencies. Get a RS L-Pad for your tweeter. Measure the resistances & replace the L-Pad with non-inductive resistors.

 

Re: right issue, wrong prescription, posted on July 13, 1999 at 20:45:43
nocturne
 Or bad connections...

I swapped out the interconnect between the Kube and the Jolida, using a cheap stock cable, and that made the difference. The Tributaries cable just didn't ever fit tight on the Jolida's jacks. I've been using that cable since I got the new (NOS) AA CDP awhile back, and it didn't occur to me that a slightly loose connection could be the culprit. The jacks on the Jolida seem like they are just a tad smaller than anything else I've had. And the ends of the "better" cable are real rigid, so squeezing them down a bit hasn't worked. I think I just need to find a good cable that fits TIGHT on the Jolida. Also, tweaking the bias down from 50 mV to 47 mV made an improvement. Ahh, back in Oz!

happy listening

nocturne

 

loose connections, posted on July 13, 1999 at 23:15:53
Mart
 create an open. The void produces a defacto capacitor. That was most probably what you heard. My brother had a similar problem with a cold solder joint on his DIY speakers.

All that aside, KEFs still have an unmatched tweeter. You may still look into recs, to take you from Oz to THE OUTER LIMITS. I personally admire their Uni-Q series. Now if they only made the semi-exponential cone out of braided Kelvar & adjusted the 2 output SPL levels.

 

Try treatments before spending more $ on wire, posted on July 15, 1999 at 06:52:44
BObM
 SIbilence can be caused by many things. I would definitely check out the easy ones before buying expensive cords. I see that you did find a loose connection - that's one. Also clean all of your contacts on RCA's and speaker connections - that's two. Try some room treatments; hang towels or folded blankets on the side walls and especially between the speakers over a rack, cabinet or TV - that's three. Try adjusting your speaker position by moving them in and out, closer and farther together and towing them in and out - that's four.

I'll bet your hear definite changes with all of these. Then, if you haven't got the sound you're after look at potential upgrades. Remember though, DIY cables can be easy, fun and cheap and sometimes work out better than the buy and try method.

Enjoy,
Bob

 

Re: Try treatments before spending more $ on wire, posted on July 15, 1999 at 21:53:19
nocturne
 Thanks. The do it yourself interconnects are next on my list. Is there anyone that sells short lengths of the coax (instead of 100 ft rolls)? I was looking at one of John Risch's recipes awhile back, and couldn't find coax without buying 100 ft.

Another improvement in sound I noticed here, was a good long warmup of the amp. I've been busy lately, and haven't been giving the amp much time to warm up. Two hours warmup, and turning off all the lights but one, in my old house, with no doubt decrepit wiring, brought back that magic I have been missing.

Just kicked back, listening to John Lee Hooker,
nocturne
happy listening

 

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