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Read the Post in new Window Read the Post in Threaded view  Post #4: Ferrite, ferrite , ferrite , ferrite ... by Romy the Cat on 2008-07-21 
Browse the content of the threads in new Window  Thread: Tuners and digital noise from DAW, A/D and D/A in Off Air Audio  10 Replies 
[quote user="Antonio J."]So I thought my tuner weren't properly adjusted. It has not been serviced nor recently aligned, I have no proficient technicians around who I depend to let them put their hands into the tuner. The damn thing always ...

Read the Post in new Window Read the Post in Threaded view  Post #3: Alnico vs. Ferrite vs. throat vs. whatever. by Romy the Cat on 2008-07-01 
Browse the content of the threads in new Window  Thread: 60hz, GPA-515-8ghp horn... in Horn-Loaded Speakers  32 Replies 
Klaus, The 515-8GPH were in same scale as the 515G with slightly above 35Hz resonance frequency and 103 sensitivity -  a very good candidate for 60Hz horn. The 10” throat? No bolls to go for 9”, how about 8”?  I’m just kidding. The throat ...

Read the Post in new Window Read the Post in Threaded view  Post #12: Le Cleach, ferrite and neodymium... by Romy the Cat on 2005-12-08 
Browse the content of the threads in new Window  Thread: Lower cost horn loaded alternative setup? in Horn-Loaded Speakers  18 Replies 
[quote user="CO"] May i ask if you have ever played with the Le Cleach flares and how you find them?They were created to reduce reflections directly back into the horn. Only problem is they are very large because of this.... [/quote] Nope. I never h...

Read the Post in new Window Read the Post in Threaded view  Post #10: That's much more ferrite than I've used by Antonio J. on 2008-07-22 
Browse the content of the threads in new Window  Thread: Tuners and digital noise from DAW, A/D and D/A in Off Air Audio  10 Replies 
[quote user="Romy the Cat"]Hm, this is interesting. I my case nether neither CEC nor Bidat affect other of the tuners. Lavrys do but not Bidat. Try to put ferrite on ALL Sansui inputs: antenna, power cord, output cables. I have 3 bids on each leg of ...

Read the Post in new Window Read the Post in Threaded view  Post #135: The APS PurePower ++ by Romy the Cat on 2008-08-03 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
[quote user="Romy the Cat"]OK, everything was fine and I might do into the sonic nuances of the PurePower unit. The PurePower drives a lot of switching nose from output. It has the filters but they help only partially. Adding capacitance to the PureP...

Read the Post in new Window Read the Post in Threaded view  Post #68: The con and pro of 6E5P anti-oscillations measures by Romy the Cat on 2007-12-24 
Browse the content of the threads in new Window  Thread: 6 Channel Version of Super Melquiades in Melquiades Amplifier  131 Replies 
[quote user="Wojtek"]has supposedly very nice Obbligato line of film HV caps . [/quote] Thanks, the high nominals the have only 630V and they are larger than I would like to have. Does anyone know how those Obbligato sound in PS? [quote user="hagte...

Read the Post in new Window Read the Post in Threaded view  Post #192: APS Purepower 2000: Sound #2 by Romy the Cat on 2008-12-23 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
I presume that whoever read this thread have gone over my comments about the Sound of the former PurePower 1050, particulary my comments about the PurePower’s “Super Texture” at the page #5 of this thread. This controversial “Super Texture” was my ma...

Read the Post in new Window Read the Post in Threaded view  Post #1494: Ferrites by JOHNR on 2015-12-01 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
A clue!You are not using the ground on the PP3000 unit and have ferrite packages on the incoming mains supply.I am guessing that you have fitted a clamp directly around the power cord.If this is the case, then you are using the ferrite on the ground ...

Read the Post in new Window Read the Post in Threaded view  Post #133: The power saga, another round by Romy the Cat on 2008-08-02 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
[quote user="Romy the Cat"]I did not say how my saga with APS Pure Power regenerator finish but it never finished. Since the end of the last year the regenerators is sitting in my closet and I have sent the unit’s main board to APS people for the “re...

Read the Post in new Window Read the Post in Threaded view  Post #71: The Metallized Polypropylene vs. something better. by Romy the Cat on 2007-12-24 
Browse the content of the threads in new Window  Thread: 6 Channel Version of Super Melquiades in Melquiades Amplifier  131 Replies 
Yes, thanks Charles and thanks for everyone who sent the direct amps on this subject. The ClarityCaps, similar to the Canadian Solens, British Ansars Supersound, the French MKP, and a few others proposed, are all Metallized Polypropylene caps. I am ...

Read the Post in new Window Read the Post in Threaded view  Post #1: Vintage Altec drivers / horns lingo. by Romy the Cat on 2005-04-24 
Browse the content of the threads in new Window  Thread: Vintage Altec drivers / horns lingo. in Horn-Loaded Speakers  0 Replies 
LOW FREQUENCY DIRECT RADIATOR DRIVERS 411A –18Hz, 93dB, sealed box414A - 99dB, 30Hz, Alnico, cloth416B – Alnico, 97dB, 25Hz, cloth416C – 16” version of above with Ferrite416Z - 12" version417C – 100dB, 69Hz, Alnico, 1.3T, 12”418B – 100dB, 55Hz, Alni...

Read the Post in new Window Read the Post in Threaded view  Post #1497: Fitting Ferrites for noise control by JOHNR on 2015-12-04 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
Romy and ClarkeA couple of tips here:To be truly effective, you need at least 3 turns of L+N through the ferrite; more if you can.The "Y" network can be placed either side depending upon where the PP3000 to PP3000 interference is coming from.You may ...

Read the Post in new Window Read the Post in Threaded view  Post #1521: Funny electricity by JOHNR on 2016-01-27 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
Paul,It would be improper for me to write down what I have worked on over almost 40 years in the telcoms business.  WRT a CV for example, I have in the past written it all down and the reviewers do not believe it.  Eventually, i stopped bothering abo...

Read the Post in new Window Read the Post in Threaded view  Post #89: Bingo by Paul S on 2011-07-05 
Browse the content of the threads in new Window  Thread: Vitavox S2 with Electromagnets in Horn-Loaded Speakers  91 Replies 
Decoud, this is certainly the evolutionary idea, all right, that I have been turning over in my head for a while now.  However, even to start with, if nothing else, there is with FC the opportunity to "dial in" flux by ear.I cannot remember when, but...

Read the Post in new Window Read the Post in Threaded view  Post #1498: Will be looking into it. by Romy the Cat on 2015-12-04 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
John, thank you very much. You did point out the area when I did not explored deep enough and I will certainly will experiment with it. I need to educate myself about ferrite types and about proper ways to form the ferrite coils. Up to now I used ...

Read the Post in new Window Read the Post in Threaded view  Post #4: Ferrite, ferrite , ferrite , ferrite ... by Romy the Cat on 2008-07-21 
Browse the content of the threads in new Window  Thread: Tuners and digital noise from DAW, A/D and D/A in Off Air Audio  10 Replies 
[quote user="Antonio J."]So I thought my tuner weren't properly adjusted. It has not been serviced nor recently aligned, I have no proficient technicians around who I depend to let them put their hands into the tuner. The damn thing always ...

Read the Post in new Window Read the Post in Threaded view  Post #10: That's much more ferrite than I've used by Antonio J. on 2008-07-22 
Browse the content of the threads in new Window  Thread: Tuners and digital noise from DAW, A/D and D/A in Off Air Audio  10 Replies 
[quote user="Romy the Cat"]Hm, this is interesting. I my case nether neither CEC nor Bidat affect other of the tuners. Lavrys do but not Bidat. Try to put ferrite on ALL Sansui inputs: antenna, power cord, output cables. I have 3 bids on each leg of ...

Read the Post in new Window Read the Post in Threaded view  Post #66: Ferret them out? by hagtech on 2007-12-23 
Browse the content of the threads in new Window  Thread: 6 Channel Version of Super Melquiades in Melquiades Amplifier  131 Replies 
So what is with the ferrite beads?  Do you find they are necessary?  Seems to me the resistors right on the socket would be good enough.  Especially with the grounding of the center pins.  I run beads all the time in my digital si...

Read the Post in new Window Read the Post in Threaded view  Post #69: Bead to Me by hagtech on 2007-12-24 
Browse the content of the threads in new Window  Thread: 6 Channel Version of Super Melquiades in Melquiades Amplifier  131 Replies 
I have not experienced any ill effects from ferrite beads myself.  That is why I asked.  Some report sonic degradation issues (like CH at Ayre).  Some say they can get magnetized.  Listening to the masses I am unable to put togeth...

Read the Post in new Window Read the Post in Threaded view  Post #24: Remote loop debugging never works. by Romy the Cat on 2009-11-01 
Browse the content of the threads in new Window  Thread: The Lavry Gold DA924 ++ in Didital Things  25 Replies 
You do not have other ways to connect then how you have connected as in your case of M-Audio card you have AD and DA abort to you DAW. I would load with ferrite in common and deferential mode the cables that go to tuner and play with the way how you ...

Read the Post in new Window Read the Post in Threaded view  Post #18: The ferritenization of the venomous Lavry DAC by Romy the Cat on 2008-07-30 
Browse the content of the threads in new Window  Thread: The Lavry Gold DA924 ++ in Didital Things  25 Replies 
After dealing with my tuner pick digital noise from my AD and DA, and particularly from Lavry DAC, I loaded Lavry with quite substantial amount of ferrite anti-RF filters: http://www.romythecat.com/Forums/ShowPost.aspx?postID=7851 It includes the a...

Read the Post in new Window Read the Post in Threaded view  Post #53: A wonderful write up about ribbons. by Romy the Cat on 2006-11-06 
Browse the content of the threads in new Window  Thread: Tweeter for Vitavox S2. High-sensitively ribbons? in Horn-Loaded Speakers  64 Replies 
Continuing to harass the readers of my site and myself with the good news about the performance of my SA8535 driver I would like to post a very educational article about the subject. As I told before, being familiar with sound of ribbons then never i...

Read the Post in new Window Read the Post in Threaded view  Post #2: I suspect the crossovers by rowuk on 2023-05-20 
Browse the content of the threads in new Window  Thread: Yamaha ns1000m speaker problem in Audio Discussions  3 Replies 
The electrolytic capacitors in the woofer low pass circuit are certainly dead. They look perfectly normal when old, just lose capacity in a serious way. The NS1000 had ferrite magnets that don't need remagnetization....

Read the Post in new Window Read the Post in Threaded view  Post #86: Continuing the debate…. by Romy the Cat on 2011-07-04 
Browse the content of the threads in new Window  Thread: Vitavox S2 with Electromagnets in Horn-Loaded Speakers  91 Replies 
Somebody from AA was asking about electromagnet. The subject pup up here from time to time but this time Bruce Edgar uploaded an interesting comment. Bruce is not a typical AA Moron and if he says “inaccurate things” then it is not due to ignoran...

Read the Post in new Window Read the Post in Threaded view  Post #1: Some horn writing by Thomas Dunker. by Romy the Cat on 2006-01-14 
Browse the content of the threads in new Window  Thread: Some horn writing by Thomas Dunker. in Horn-Loaded Speakers  0 Replies 
All below is written by Thomas Dunker Yeah, "sound consistent independent of signal level" is a very precise way to sum up my whole speaker philosophy. Anything that is assumed to be constant, but which actually changes with signal dynamics is what ...

Read the Post in new Window Read the Post in Threaded view  Post #7: Ionisers can help by Mabutu on 2011-02-20 
Browse the content of the threads in new Window  Thread: Commercial Air Blower Ionizer in Analog Playback  17 Replies 
Hello ArmenIf im not mistaken , that AR product is designed to negate any magnetic field from ferrite particles(?impurities/additives) in VinylAS far as im aware it doesnt remove static charges AS we all know, static is mainly a problem in winter tim...

Read the Post in new Window Read the Post in Threaded view  Post #20: It would be depending… by Romy the Cat on 2009-04-21 
Browse the content of the threads in new Window  Thread: The Lavry Gold DA924 ++ in Didital Things  25 Replies 
[quote user="jp"]In my experimentations, the da924 doesnt contribute much noise in my setup.  Rather in my setup its the lavry ad122 thats the trouble maker. When all digital is turned off I have a very quiet background.  Here are my observations...

Read the Post in new Window Read the Post in Threaded view  Post #22: I think you have a HF loop… by Romy the Cat on 2009-04-22 
Browse the content of the threads in new Window  Thread: The Lavry Gold DA924 ++ in Didital Things  25 Replies 
Jp, I think what you do is wrong. The ferrites that you use on the picture are worthless as they will not be having much coupling between the cable and ferrite cores. You need to block entry to Sansui for HF noise. The noise might enter via power cab...

Read the Post in new Window Read the Post in Threaded view  Post #23: Please elaborate! by montepilot on 2009-10-31 
Browse the content of the threads in new Window  Thread: The Lavry Gold DA924 ++ in Didital Things  25 Replies 
[quote user="Romy the Cat"] Still the key is to treat the cables, all cables that go into tuner and into the processors. Do not forget that you have a perfect loop: tuner goes to preamp, as in the same time tuner goes to A/D-DAW-D/A- preamp.  So, you...

Read the Post in new Window Read the Post in Threaded view  Post #2: I was concerned you hadn't commented on this before by Antonio J. on 2008-07-21 
Browse the content of the threads in new Window  Thread: Tuners and digital noise from DAW, A/D and D/A in Off Air Audio  10 Replies 
So I thought my tuner weren't properly adjusted. It has not been serviced nor recently aligned, I have no proficient technicians around who I depend to let them put their hands into the tuner. The damn thing always picked up Bidat's and CEC...
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