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Read the Post in new Window Read the Post in Threaded view  Post #1752: Noise on the ground connection by drdna on 2020-11-26 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
The way it is described, I have to agree about taking the Pure Power to a trusted local repair shop to get it scoped out.I will just say again that repairing the Pure Power seems to fix the problems, for those who have been able to get their unit bac...

Read the Post in new Window Read the Post in Threaded view  Post #1740: Testing circuits for ground problems by drdna on 2020-11-15 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
[quote user="Romy the Cat"]Let leave aside the probability that you specific PP is defective. If it is then all bets are off. [/quote] Completely agree. And I will say from the forum members here who have ...

Read the Post in new Window Read the Post in Threaded view  Post #1728: Pure Power Ground Loop by drdna on 2020-11-08 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
[quote user="N-set"] They have figured out a way to eliminate this but it requires making a new PCB to replace one in the PP2000. So they say they are going to make these and hopefully the replacement PCB will be given to me in a month." [/quo...

Read the Post in new Window Read the Post in Threaded view  Post #1717: Pure Power Noise and the Decca Antenna by drdna on 2020-11-06 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
In regard to the noise issue I had with my Pure Power unit in the past, I never noticed it with my tuner or other components, but I mostly listen to the phonograph. In particular the Decca cartridges are incredible as antennas and seem to pick up all...

Read the Post in new Window Read the Post in Threaded view  Post #1714: The Pure Power Not 50 Hz Hum issue by drdna on 2020-11-06 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
Jarek, When you say "not 50 Hz hum" it reminds me very much of my troubles I had with my Pure Power 1500 -- (before it "blew up" and needed to be repaired ... ultimately replaced with a new PP 2000 plus by Damien) -- but in any regard, the hum was ca...

Read the Post in new Window Read the Post in Threaded view  Post #1713: PurePower 2000 Plus update by drdna on 2020-11-06 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
I can only suggest to keep calling them. The product itself, as we all know is outstanding and makes everything else in the category look like garbage, but the service has always stayed at the level of a one-man operation. If they can get their servi...

Read the Post in new Window Read the Post in Threaded view  Post #1709: Hum with Decca and Pure Power 1500 Plus by drdna on 2020-11-06 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
Agreed. I also had this issue with my Decca cartridge using the Pure Power and physical separation works well....

Read the Post in new Window Read the Post in Threaded view  Post #297: Physical attributes of devices matter by drdna on 2020-03-17 
Browse the content of the threads in new Window  Thread: The last phonocorrector: “End of Life" Phonostage in Analog Playback  301 Replies 
Every resistor, capacitor, tube, etc. are just physical devices that are optimized to come a bit closer to an ideal device -- a wirewound resistor may represent an ideal resistor, but it has inductance, capacitance, and other electrical and physical ...

Read the Post in new Window Read the Post in Threaded view  Post #1696: The scientific method by drdna on 2019-08-27 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
[quote user="Romy the Cat"]PP does inject very positive qualities to sound and it is in part might be because it addresses some of intricate electric problems but we, or at least I, do not know it with certainly. The claims that PP manufacturers ma...

Read the Post in new Window Read the Post in Threaded view  Post #1691: Studying bad electricity by drdna on 2019-08-26 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
[quote user=“ArmAlex”]  I should had wrote, It's irrelevant to bring in a factor which we have zero influence in it.[/quote] It is reasonable for musicians to r...

Read the Post in new Window Read the Post in Threaded view  Post #1683: Electricity is important in the entire playback chain by drdna on 2019-08-25 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
[quote user="Paul S"]Although "consistent" AC might be something equipment designers could allow for, I think the problems we are dealing with are both myriad and systemic, and we are probably stuck with these problems or some other systemic issues, ...

Read the Post in new Window Read the Post in Threaded view  Post #1675: The importance of A/B comparisons by drdna on 2019-08-23 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
[quote user="clarkjohnsen"]the righteous immediacy of short-term auditions needn’t be dismissed[/quote] I personally have not found prolonged listening mandatory at all times, but when I listen in A/B comparisons I have objective goals in mind. Most ...

Read the Post in new Window Read the Post in Threaded view  Post #1670: Match the system to be true to the source by drdna on 2019-08-17 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1766 Replies 
[quote user="Amir"] ... because i can easily hear difference of 2m AC cable and 4m AC cable ... [/quote] Yes, it's true. This reminds me of when I was testing different parts in an amplifier, and I was getting help from my fath...

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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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  1766 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...
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