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Got the K1000's... here's what I think - Page 3

post #31 of 47
Quote:
Next week, I should have Stan Warren modded Philips SACD 1000 .
I'm very curious what you think of Stans mods. He invinted some of the layout used in the 1000. The Philips 1000 is a giant killer and at $750.00 is a steal!
post #32 of 47
Thread Starter 
Well I got a chance to listen to the Jolida 302B + K1000 combination. Instead of going into specific examples, I'll mention the overall impressions I got. Overall it definitely was an improvement from my 3802. The top end was subdued and it's edgyness rounded out which I liked. At the same time, it wasn't overly subdued...I felt the high frequencies finally had a good balance with the mids. As well, the mids came out a lot more and I heard a much better balance and airy detail. Again... I emphasize DETAIL and airy spaciousness!!!!! I was finally hearing what I was looking for. The bass didn't improve with loudness, but it had more definition and detail and punch. I HEARD the bass meaning I heard the quality of the bass... not so much so volume. LIke I said before, I am not a bass freak and the bass on the K1000 with the jolida and I am satisfied in this department. And finally, the K1000's were very fast, transparent... very electrostatic-like. So what's my verdict... sadly, I don't know. I love how these sounded with the jolida but we're pairing up a mid $300 headphone with a $1000 amp. That bothers me. I can get an "equilvalent" experience with other headphones plus a much cheaper headphone amp. So I'm going to try out some cheaper tubes (Norh SE 9 hopefully later this week) and see what they sounds like. But overall, I'd summarize the K1000's as a very nice dynamic headphone that is well balanced, dynamic, spacious, airy, and detailed but is also VERY VERY sensitive to the front end.
post #33 of 47
Quote:
Originally posted by Dan H
I'm very curious what you think of Stans mods. He invinted some of the layout used in the 1000. The Philips 1000 is a giant killer and at $750.00 is a steal!
Dan, I am should get my 1000 later this week, and will probably post my initial impressions in about a week, over at the hi rez forum of audio asylum. BTW, Stan is very impressed with how the 1000 sounds, after he modded it. He let some of his friends hear it, and they are all ordering 1000's for Stan to mod now.

Randy
post #34 of 47
anybody have an rkv and the impedancer? jan meier himself says this is the best setup he's ever heard for the k1000. but i dunno if he's heard the ear v20..
post #35 of 47
I am patiently waiting for an RKV, with the K1000's being 120 Ohm I don't believe the impedancer is required. I'll post some impressions when I can get these two items together for a listen!
post #36 of 47
Since I am a newbie here, can someone tell me what an rkv and the impedancer are?

Thanks,
Randy
post #37 of 47
An RKV Mark II is a tube headphone amplifier made by a German company called Audio Valve. The company web site is www.audiovalve.de and a reliable source to purchase this amp is Jan Meier, his web site is www.meier-audio.com. An impedancer is a device for correctly matching your headphones (or speakers) to this amp if their impedance is less than 100 Ohms. A search on this site for RKV or impedancer will yield many results!
post #38 of 47
88,
Thanks for the reply. I checked out those websites, and saw the amp. Wish I could afford one, but it will have to wait.

Randy
post #39 of 47
I've been using my K1000 headphone for about five months, and my opinion of it has changed as I kept upgrading my equipment. I began by using a Marantz CD5000 CDP and an old inexpensive Daynaco solid state amp. The sound of the K1000 was unpleasantly shrill and metalic in the highs, and it lacked fullness and base. The sound inproved greatly when I switched to a Sony GX909ES solid state receiver, which encouraged me to upgrade further. The next amp. that I used was an ASL AQ-1005DT, equipped with Valve Art 300B tubes, and inexpensive 12AU7 tubes. The result was a substantial improvement in the K1000 sound. The sound became rich, full, broad, deep, etc. At this point the K1000 sounded far far superior to my other headphones (i.e., Grado 325, HD600, and ER4P/S). As final upgrades I replaced the Valve Art tubes on the ASL amp. with TJ meshplate 300B gold pin tubes, and the inexpensive 12AU7 tubes with Mullard ECC82 tubes. I also replaced the Marantz CD5000 CDP with a Marantz SA8260 SACD unit. The sound of the K1000 is now fabulous. I am now also evaluating the Stefan AudioArt K1000 cable. The conclusion that I draw from all of this experience is that the sound of the K1000 depends greatly on the type and quality of amplifier. Tube amps appear to be best, and the best quality tubes yield the best sound. The sound difference between the Valve Art tubes and the TJ tubes was just as great as the difference between solid state amps, and tube amp. As for the difference between the Marantz CD5000 and the Marantz 8260, it was mostly a matter of resolution. The 8260 yields a substantially more resolved sound.
post #40 of 47
mikeg, have you done anything to improve the impedance matching between that ASL amp and the K1000s? I had to change transformers on my own 300B setup to counter a nasty shift into the high registers. Apparently it places too much load on a single-ended 300B, but maybe the 1005 is a push-pull amp?

Have you heard Western Electric 300Bs, and could you compare them with the TJ meshplates? I keep reading good things about those TJs.
post #41 of 47
Now, I don't think I'm qualified to have much of an opinion, as I didn't spend much time with them (headroom stop), but I'd like to add something here. When I first put them on, my first impression was "They wanted $1000 (originally, iirc) for THIS? I just didn't like them. They sounded pretty shrill, and, like other's had said, lacked a lot of bass. A few months ago, when I read that people used subwoofers with their k1000s, I just laughed and asked "WHY?"

Though you guys may have a point. Maybe with a properly matched amp, the k1000s can really shine. But so far, we haven't gotten along.
post #42 of 47
Quote:
Originally posted by andrzejpw
I didn't spend much time with them (headroom stop),
One thing I've found with the K-1000s is that you shouldn't listen to them in a noisy enviornment. If you do, you can't really take full advantage of their magic. From what I remember, the Headroom tour was not the quietist place.
post #43 of 47
aeberbach - My knowledge of the technical aspects of amps is nil. Therefore, I don't know whether the AQ-100DT is a push-pull amp. For more info I suggest that Divergent Tech be contacted at divergent@divertech.com (519-749-1565). This amp was recommended for the K1000 by the folks at HeadRoom Corp., and they also suggested that I connect the K1000 to the 16 ohm speaker terminals of the ASL amp. As for selecting the TJ meshplate tubes, it was on the basis of lots of reviews. These tubes were rated second only to the Western Electric 300Bs, but these cost about $700 per pair. Since this was more than I was prepared to spend, I bought the second best TJs, which I think cost between $300 - $400 a pair (my invoice shows L 2,730 in Hong Kong currency). I have not heard the Western Electric tubes, but I can't imagine the K1000s (or any other headphone) sounding singnificanly better.

andrzejpw - As I previously explained, the shrill sound of the K1000 changed to a wonderful deep, broad, and full sound when I connected the K1000 to my ASL AQ1005DT amp. As for needing a subwoofer, It's no longer necessary since I switched to TJ meshplate tubes. The base produced by the K1000 is now beutifully deep and detailed.
post #44 of 47
Quote:
Originally posted by mikeg


andrzejpw - As I previously explained, the shrill sound of the K1000 changed to a wonderful deep, broad, and full sound when I connected the K1000 to my ASL AQ1005DT amp. As for needing a subwoofer, It's no longer necessary since I switched to TJ meshplate tubes. The base produced by the K1000 is now beutifully deep and detailed.
Mikeg,

Have you tried the Stefan AudioArt cable yet with the 1000s? Based on the review I read, it's supposed to tame the shrillness. I have yet to receive mine, so I cannot comment. However, I've found that the more I burn the K-1000s in, the better they sound, including the top end.
post #45 of 47
FCJ - I've had the Stefan AudioArt cable for a couple of weeks. Before burn-in it sounded far worse than the stock K1000 cable; i.e., lots of base, but lack of highs. It sounded dead compared to the stock cable. But, now after 72+ hours of burn-in (as recommended in cable instructions) it sounds great. The only fly in the ointment is that I can't hear any difference between the Stefan AudioArt cable, and the stock cable. I keep switching from one to the other, but they sound identical with all the kinds of music that I've tried. Perhaps with more use (i.e., more burn-in) I'll hear a difference. Please post your view after you've tried your new Stefan AudioArt cable. As for K1000 shrillness, it's long since gone (see my previous posts in this thread).
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