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Read the Post in new Window Read the Post in Threaded view  Post #34: R.I.P. Sakuma-san by drdna on 2018-12-14 
Browse the content of the threads in new Window  Thread: The Sakuma's Show in Audio Discussions  35 Replies 
The famed audio designer was working on new audio designs until the end, which continued to be published in MJ, the Japanese audio journal. I'm sad to hear of his passing. I feel fortunate to have been able to meet him and spend time listening to som...

Read the Post in new Window Read the Post in Threaded view  Post #1650: The Wood Effect by drdna on 2018-09-02 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
It's always good to hear from Clark. Here is the reference to his article:https://positive-feedback.com/Issue1/cjwoodeffect.htm...

Read the Post in new Window Read the Post in Threaded view  Post #1642: Noise and disconnected DC battery supply by drdna on 2018-08-31 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="kodomo"]the faint grunge I hear from the upper mid and treble ... It is an audible noise, it kind of buzzes...[/quote]Yes, that describes it. This is THE characteristic noise when there is a defect in the Pure Power unit. As far as I kno...

Read the Post in new Window Read the Post in Threaded view  Post #1630: Another approach to PurePower problems by drdna on 2018-07-27 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="OracleAV"]I really didn't get a chance to really audition the unit for its effect on sound quality.[/quote]As we already know well that PurePower affects the electricity even when not directly plugged into the audio system, it is reasona...

Read the Post in new Window Read the Post in Threaded view  Post #1629: Approaching the best "untreated" electricity by drdna on 2018-07-27 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="Paul S"]I hope they make a 10 cent fix that works across the board!  They'll sell dozens of them![/quote]xD Yes Paul, that will make a very successful company!With electricity, it's like the water, in my view. Untreated electricity is li...

Read the Post in new Window Read the Post in Threaded view  Post #1628: Bybee: do you like it? by drdna on 2018-07-27 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
Paul,As always, it is a big question if there is benefit in the home audio application. If you or anyone has used the Bybee devices, I'd be interested in hearing your results.Adrian...

Read the Post in new Window Read the Post in Threaded view  Post #1627: PurePower -never change! by drdna on 2018-07-27 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="Romy the Cat"]This is why I am a bit skeptical and with big worry hear news that PP did some improvement. [/quote]Since (at least comparing PP2000 and PP3000+) PurePower is still effective, the one thing we can say is that PurePower has...

Read the Post in new Window Read the Post in Threaded view  Post #1613: Everything and Nothing by drdna on 2018-07-26 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="Romy the Cat"]Man, you need to get life, man...This site is not Audigon and no one use here facades of lies and fears.[/quote]Aha! There's the Romy we know and love![quote user="Romy the Cat"]and my wife claims that I know everything.[/q...

Read the Post in new Window Read the Post in Threaded view  Post #1612: The Buzz About PurePower by drdna on 2018-07-26 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
It is always entertaining to see a story about PurePower. I say simply that Richard should make good on the refund as quickly as possible.I am always surprised to hear about customers who are surprised about this sort of thing happening with audiophi...

Read the Post in new Window Read the Post in Threaded view  Post #1596: PP2000 plus PP3000+ conflict by drdna on 2018-07-25 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
Romy,I agree with the very nice summary you have made of the situation. You remember that I struggled for a couple years to get PurePower to return my PP2000 which had gone for repairs, but ultimately they replaced it with a PP3000+.  I just have to ...

Read the Post in new Window Read the Post in Threaded view  Post #1594: Spam e-mail by drdna on 2018-07-25 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
While I and a few others have had some delays with PurePower, they came through in the end with an outstanding product. I have grave suspicions about a post complaining about PurePower and simultaneously promoting a link to the "ProPower" company, wh...

Read the Post in new Window Read the Post in Threaded view  Post #1588: Soft sound of pp3000 by drdna on 2018-04-11 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
I have been living very happily with the PP3000 in my living room for a while now, and have had no problems with the new updated version that I finally received after a long effort with the company. Unlike the original unit with the odd internal grou...

Read the Post in new Window Read the Post in Threaded view  Post #1504: Capacitors versus batteries in regenerators by drdna on 2016-01-25 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="Romy the Cat"]Well, the StormTank is currently is being sold for $30K.[/quote]Oh well, I can forget about buying one to try it out...[quote user="Romy the Cat"]The PurePower has a bank of caps that shunt the battery. Intellectually, it ...

Read the Post in new Window Read the Post in Threaded view  Post #1477: Solid core versus stranded wire by drdna on 2015-11-23 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="N-set"]Do you have any data comparing same cross-section stranded and solid-core impedances vs. freq?I have to my disposal stranded 16mm2 or solid-core 6mm2 run to the ground. [/quote]At one time I experimented quite a bit with different...

Read the Post in new Window Read the Post in Threaded view  Post #1470: Isolation of turntable motors by drdna on 2015-11-22 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
I think this is all fine, but since you are building it all, why not make it so that you have the flexibility to experiment with different configurations to see what works best in your system? I think it's fine to have a theory about clustere...

Read the Post in new Window Read the Post in Threaded view  Post #1467: Purpose of ground by drdna on 2015-11-21 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
The ground simultaneously serves as the source of all electrons entering the system and a common voltage level that establishes a baseline for the system. Thus, the ground should be simultaneously as large a homogenous metal source as possible while ...

Read the Post in new Window Read the Post in Threaded view  Post #1438: Just another audiophile company by drdna on 2015-10-31 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
Ha! Criminals is going a bit too far, unless you want to call all the audiophile companies criminals. I am not saying that is not the case, but the behavior of PurePower is not different from many other audiophile companies or many other similar busi...

Read the Post in new Window Read the Post in Threaded view  Post #1432: ProPower = counterfeit PurePower by drdna on 2015-10-26 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
As you pointed out, the Chinese website looks to be a link to the Chinese company contracted originally by PurePower to build their units, who then tried to sell the units on their own, ignoring the patent. I'm not sure how long since the website was...

Read the Post in new Window Read the Post in Threaded view  Post #1426: ProPower is the "Other" PurePower? by drdna on 2015-10-25 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
So, the "Contact Us" link for ProPower leads to:Inquiries regarding the above Limited Warranty may be sent to the following address: ProPower, 4F, No.248, Sec.3, Pei-Shan Rd, Shen-Keng Dist. New Taipei City, Taiwan. So, is this the Chinese company t...

Read the Post in new Window Read the Post in Threaded view  Post #1424: ProPower available is USA by drdna on 2015-10-24 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
I think these are also available in the USA....http://www.ppowerus.com/audio/distributors/Adrian...

Read the Post in new Window Read the Post in Threaded view  Post #1396: Pure Power Needs to Be Honest by drdna on 2015-07-26 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
Well, I would just say that it is clear that the company cannot keep up with the demand. They prioritize certain orders to fulfill that will be most important to increase their business, in their opinion, such as reviewers and retailers. It's underst...

Read the Post in new Window Read the Post in Threaded view  Post #1389: 230V PP3000 delivery? by drdna on 2015-07-22 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="PurePower"]If you needed a PurePower+ hv 230 volt unit, there were some hiccups this spring ... all current back orders are scheduled for delivery before the end of August, so no one, even in Iran, need go without.[/quote]That sounds pro...

Read the Post in new Window Read the Post in Threaded view  Post #1386: Purepower production delays by drdna on 2015-07-21 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="steverino"]I am sure you are happy you eventually after years got a Purepower unit after they took yours and "misplaced" it. But if it wasn't for the constant harping on this sorry treatment by you, me and others in these threads who kno...

Read the Post in new Window Read the Post in Threaded view  Post #1383: Long wait time for Pure Power by drdna on 2015-07-21 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
I waited for years to get my PP3000, but they DID finally come through and deliver the product. It was worth the wait in terms of the sound quality improvement. they are a very tiny company, it seems with limited cash flow. This is typical of the hig...

Read the Post in new Window Read the Post in Threaded view  Post #1377: Tesla home battery effects for audio input by drdna on 2015-07-17 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
[quote user="Romy the Cat"]the “sound” of these oscillators/inverters is something that describes the sound of electricity. Tesla for sure would make great batteries but I do not think that they would case to make oscillators “good for sound”.[/quo...

Read the Post in new Window Read the Post in Threaded view  Post #1373: Batteries at Home? by drdna on 2015-07-16 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
With the rapidly increasing technology driven by the electric car industry, lithium cell battery prices have come down. Tesla is now offering battery units for home use that can provide continuous AC power from an isolated battery source for as littl...

Read the Post in new Window Read the Post in Threaded view  Post #46: Renaissance in radio? by drdna on 2014-11-05 
Browse the content of the threads in new Window  Thread: The new FM Classical scene in Boston in Off Air Audio  47 Replies 
Is it just an excuse to sell your old equipment? I think as the community of music and audio grows smaller, there is often a revival of high quality audio, so there is a great deal of variability. It may be next season that a new person with a passio...

Read the Post in new Window Read the Post in Threaded view  Post #10: Moving Iron design by drdna on 2014-07-23 
Browse the content of the threads in new Window  Thread: Soundsmith’s analog ideas. in Analog Playback  11 Replies 
This is an excellent point, in theory. Armen's description of the differences he heard are reminiscent of the general differences between Moving Coil and Moving Magnet designs, so this would not be too much of a surprise if the major differences in s...

Read the Post in new Window Read the Post in Threaded view  Post #1340: Pure Power 3000+ has arrived! by drdna on 2014-07-20 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1659 Replies 
Now fully five years after the original PP2000 was in my system, then subsequently stopped working and was sent back for repairs to the manufacturer. An unfortunate series of events involving the Chinese subcontractor resulted in the company contract...

Read the Post in new Window Read the Post in Threaded view  Post #7: Soundsmith cartridges by drdna on 2014-07-20 
Browse the content of the threads in new Window  Thread: Soundsmith’s analog ideas. in Analog Playback  11 Replies 
It sounds like an intriguing concept. The description is a bit more fleshed out, but unfortunately, it sounds more like a incremental improvement, somewhat characteristic of the changes described by audiophiles any time a new component is introduced ...
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