#2861
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Thanks Simon - I recall now. Those are Compactron tubes. I believe Dennis offers a revision to the LP-2 (LP-3) that replaces them with 6SN7/6SL7) tubes.
Had you considered replacing the preamp coupling caps with a single Jupiter Copper? |
#2862
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I am finished buying caps for the LP-2.... still have lots of rolling I can do there wih the existing stock.... |
#2863
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The lp-3a conversion is a circuit change only, not a chassis change. Since the lp-2 uses 9 pin tubes the conversion also uses 9 pin tubes, specifically 6dj8 type and/or 6cg7 interchangeably. Changing to 6n_7 would require a complete teardown of the chassis to install octal sockets. Not worth the labor. Better to get a new one which DH builds with 6s_7 tubes, octal tubes. FWIW.
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#2864
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#2865
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Western Electric tinned copper wire 14ga and Belden 8402 IC's
I read about this on Jeff Day's blog "Jeff's Place". I got the 8402 IC's assembled from Best-Tronics Manufacturing in Chicago and have been using them for a couple of weeks. $120 for 2 one meter pairs shipped. My ears agree with Jeff's opinion. I just hooked up the WE 14ga wire to my speakers. It needs to settle in but I can tell it's not going anywhere. The 16ga is no longer available.
Dueland now has a similar 14ga wire that is $9.95 a meter from Parts Connexion. It is supposed to be better that the WE that I paid $2 a foot for. If I did not have the WE I'd have gone for the Dueland. Oh, the wire is not manufactured by WE but made to their specs, which are not hi-tech, by a wire company in Rhode Island. It's simply 26 strands of tinned copper wire. Wire does make a difference but price and performance are not always directly proportional. If you are thinking about cables check out the blog. YMMV. |
#2866
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#2867
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I was just going to mention the Supra. I remembered your post but forgot the name of the wire. Hey, it's a buck a foot. The WE is really nothing special construction wise. Tinned copper appliance wire. |
#2868
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I bought some of the same stuff - WE 14ga off Ebay. I got caught up in Jeff's enthusiasm as well. 50 ft is not that bad. Makes a couple sets of cables.
I think many of us in this hobby have gotten caught up in what is "best" based on theory or expense. It really began in earnest in the 1980's (remember CD Stoplight?) and kept going since. It may very well turn out that boutique parts and esoteric materials (and speaker cables the size of garden hose) not only don't make things sound better they may actually sound worse. A lot of the materials and techniques of the Golden Age and thousands of engineers and billions of dollars behind them. Things were chosen because they performed better and/or lasted longer, not because they could be sold as audio jewelry. If we look at the way a vintage McIntosh or Marantz (or Citation or Brook) amp was wired it may seem prosaic compared to today's megabuck amps, but as Jeff Day discovered, straying from the old components actually made things worse. I remember reading about the parts choices in my Superphon Revelation Preamp: Stan Warren had to hit a price point but also needed to make it sound great. He bought tons of a very cheap potentiometer and selected for linearity and matched sections. It significantly outperformed the fashionable Alps Blue Velvet in this particular application. It turns out that the combination of cheap parts worked for his design. |
#2869
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Sorry, .01uf.... still small though....
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#2870
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Supra Classic-4.0, 11ga, for $2.59/ft. Supra Classic-6.0, 9ga, for $3.66/ft. Last edited by Bombadil; 11-07-2016 at 01:51 AM. |
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