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Read the Post in new Window Read the Post in Threaded view  Post #164: Dbpoweramp Ripping vary by different reading passes by Amir on 2018-09-09 
Browse the content of the threads in new Window  Thread: High Quality Music Server / CD player in Didital Things  169 Replies 
my experience in ripping audio CD with dbpoweramp shows even in ultra Secure mode we get different result with different number of passes.the result in 3 different passes :the CD was in good condition but it has little scratch .======================...

Read the Post in new Window Read the Post in Threaded view  Post #3: The FM low-pass filter? by Romy the Cat on 2005-09-07 
Browse the content of the threads in new Window  Thread: The FM Radio. What a Hell?! in Off Air Audio  7 Replies 
[quote user="clarkjohnsen"]Actually, you heard the music off a computer -- into which the CD has been programmed. That's how it works, during the summer.[/quote] I “kind of knew” it, or at least suspected it.  At this point it is irrelevant “how...

Read the Post in new Window Read the Post in Threaded view  Post #18: How to hi pass by serenechaos on 2009-04-30 
Browse the content of the threads in new Window  Thread: The tapped horns: cons, pros and Sound in Horn-Loaded Speakers  57 Replies 
on 1) & 2); by "digital experiments" I meant "get a cheap digital crossover and try different slopes; on 3) & 4): Dave Slagle, Intact Audio, knows a LOT more about transformers than I do, and the nickle autoformers I got from him wo...

Read the Post in new Window Read the Post in Threaded view  Post #95: The high-pass crossovers for upperbass. by Romy the Cat on 2009-07-26 
Browse the content of the threads in new Window  Thread: Problems with horns: upper bass in Horn-Loaded Speakers  109 Replies 
[quote user="Axel"] I hope I got this right when going through this long thread with LOTS of information. Did you mention for upper-bass cross-overs Elko’s (electrolytic) only to be your preference? If I have it right, any special preference at a...

Read the Post in new Window Read the Post in Threaded view  Post #9: Pass Band by Paul S on 2019-07-27 
Browse the content of the threads in new Window  Thread: Multicellular horns in Horn-Loaded Speakers  8 Replies 
I was one of the people who bagged on the Altec 811 metal horn in the old thread. I also heard a version of this horn that was supposedly made of tar that had an Altec label on it, and a friend of mine built us a couple of tar copies of the next size...

Read the Post in new Window Read the Post in Threaded view  Post #5: Low Pass by IslandPink on 2011-01-01 
Browse the content of the threads in new Window  Thread: A proper implementation of low-pass filters in Melquiades Amplifier  4 Replies 
Ah thanks Romy , I should have spotted the option of filter before vol pot. This may be enough for now. I do have some Dale stepped-attenuators from a previous project if I need to further experiment .Now, if I'm calculating, do you know if the vol p...

Read the Post in new Window Read the Post in Threaded view  Post #24: Pass labs by Amir on 2009-08-20 
Browse the content of the threads in new Window  Thread: SS Power Amps - the FoxNews of Audio. in Audio Discussions  25 Replies 
In my idea pass labs high power amplifiers are in under average even in comparison by market average standard.it's sound xa1000 was not good and i think when a company accessed a good market for his products then start to making crap products.in my i...

Read the Post in new Window Read the Post in Threaded view  Post #14: The Placette oscillations – pass the test. by Romy the Cat on 2008-02-17 
Browse the content of the threads in new Window  Thread: The ultimate buffer – light in the end of a tunnel in Audio Discussions  36 Replies 
Latterly is have been some controversy with new Placette output impedance, it does not look like it is 3R but rather 37R according to my measurement. I need to clear it with Guy. I also desided to address (since the Active Placette is a discrete op-a...

Read the Post in new Window Read the Post in Threaded view  Post #104: Pass labs? by RonyWeissman on 2009-02-01 
Browse the content of the threads in new Window  Thread: Macondo’s MiniMe or about Pilot Acoustic Systems in Audio Discussions  213 Replies 
Hi Romy,I have no experience with Pass labs, but have been looking at his old Aleph 3 for some time with interest. Do you know this amp?  I believe it is 50W class A and around 800$ typically on audiogon? If you want to spend a lot more my Tom E...

Read the Post in new Window Read the Post in Threaded view  Post #50: Low pass and wattage by Jorge on 2015-08-24 
Browse the content of the threads in new Window  Thread: Another time aligned 5-way horn project in Horn-Loaded Speakers  189 Replies 
For home use almost any driver will go lower without burning up. If you want specs, BMS and B&C will give you the right specs. And then there is the tone... I had 2490 play down to 200 hz in a 100 hz horn, of course they would only go up to 1 kHz ...

Read the Post in new Window Read the Post in Threaded view  Post #17: More about high-pass, if it is necessary by Romy the Cat on 2009-04-30 
Browse the content of the threads in new Window  Thread: The tapped horns: cons, pros and Sound in Horn-Loaded Speakers  57 Replies 
[quote user="serenechaos"] blah, blah, blah, all that stuff... yes, yes, I was thinking along those lines last night after I posted it, and wondering if effects of hi pass, (not just steep acoustic roll off of driver), in the amp, relieving unwan...

Read the Post in new Window Read the Post in Threaded view  Post #12: Re: Nope - I'll pass by skushino on 2006-01-03 
Browse the content of the threads in new Window  Thread: Myth: High-efficiency Low-power in Horn-Loaded Speakers  12 Replies 
If you insist me to endorse something then this is why I make my Melquiades amplifier publicly available. Romy, I'm not seeking endorsement.  Mine is the only endorsement that matters in my system.  I have my own end-results in mind.  ...

Read the Post in new Window Read the Post in Threaded view  Post #21: High-Pass Filter Help by skushino on 2013-10-07 
Browse the content of the threads in new Window  Thread: 5 Channel Version of Melquiades in Melquiades Amplifier  21 Replies 
Romy, would you explain / help me better understand how you implemented the HP filter in Melquiades?The schematic shows a series cap after the first tube stage (C3 and C4 in the schematic).  I think these are the first-order HP filters, correct?Quest...

Read the Post in new Window Read the Post in Threaded view  Post #81: Milq high pass by decoud on 2014-02-04 
Browse the content of the threads in new Window  Thread: Bias help in Melquiades Amplifier  96 Replies 
The coupling capacitor is a first order high pass filter. I have .68 in there for there for this purpose. Obviously the slope will be shallow, so precision in the value will not be critical....

Read the Post in new Window Read the Post in Threaded view  Post #79: Update , bais and high pass by DA on 2014-02-03 
Browse the content of the threads in new Window  Thread: Bias help in Melquiades Amplifier  96 Replies 
A little update on the Milq amp.After sorting  some of the problems with the amps transformers (see posts above ) .I now have two mono blocks operational that have about 700 hours ,I'm so glad hour meters were installed .Filament voltage is spot on 6...

Read the Post in new Window Read the Post in Threaded view  Post #3: High-Pass RL Filter calculator. by Romy the Cat on 2009-12-22 
Browse the content of the threads in new Window  Thread: Some thoughts about Milq’s MF filter in Melquiades Amplifier  2 Replies 
Very comfortable and very accurate. http://qbx6.ltu.edu/s_schneider/physlets/main/rlc_highpass.shtml The CatPS: Do not miss the Dr. Scott's Optical Illusions and the rest of fret stuff.http://qbx6.ltu.edu/s_schneider/...

Read the Post in new Window Read the Post in Threaded view  Post #4: Re: The FM low-pass filter? by yoshi on 2005-09-18 
Browse the content of the threads in new Window  Thread: The FM Radio. What a Hell?! in Off Air Audio  7 Replies 
Yeah, it was really surprising.  The music from your FM was very, very natural and organic (I'm not saying other mediums sounded bad, it was great, but there was more ease and naturalness with FM).  Is FM noise working as some kind of dithe...

Read the Post in new Window Read the Post in Threaded view  Post #8: CR vs. LR low-pass filter. by Romy the Cat on 2008-06-08 
Browse the content of the threads in new Window  Thread: Rohde & Schwarz EU-6201 Tuner in Off Air Audio  34 Replies 
The precision of those inductors is very much irrelevant – it would be easy to fine-tine the filter with the value of the resistor. There is a bigger fish to fry – the benefits of LR filter. If we are taking about high-pass filter then there are no ...

Read the Post in new Window Read the Post in Threaded view  Post #1: Should I low pass the midrange @10k? by KS on 2010-08-06 
Browse the content of the threads in new Window  Thread: Should I low pass the midrange @10k? in Horn-Loaded Speakers  7 Replies 
OK this is with a digital XO, I'm wondering whether most of you would bother to low pass a 800-10k Radian mid in a 425hz Azurahorn, which hands over to a 10K+ tweeter?I've read that playing too high for a particular horn has some sort of dissadvantag...

Read the Post in new Window Read the Post in Threaded view  Post #1: A proper implementation of low-pass filters by Romy the Cat on 2008-02-18 
Browse the content of the threads in new Window  Thread: A proper implementation of low-pass filters in Melquiades Amplifier  4 Replies 
If to look at the Melquiades schematic in the channel “A” you will see 78H first order low pass filter. http://www.goodsoundclub.com/PDF/6-Chennal_Melquiades_DSET_Amplifier.pdf The low-pass filter in Milq and the low-pass filters generally is great...

Read the Post in new Window Read the Post in Threaded view  Post #137: How to properly high-pass a full-range driver. by Romy the Cat on 2009-02-19 
Browse the content of the threads in new Window  Thread: Macondo’s MiniMe or about Pilot Acoustic Systems in Audio Discussions  213 Replies 
[quote user="Paul S"]Probably not news, but: http://www.supravox.fr/anglais/haut_parleurs/135_LB.htm Another one that at least looks the part.[/quote] Thanks, Paul. This Supravox 135 LB indeed looks like an interring driver for a project of mine. I h...

Read the Post in new Window Read the Post in Threaded view  Post #2: Unfortunately not by the Nelson Pass blessing…. by Romy the Cat on 2008-04-29 
Browse the content of the threads in new Window  Thread: Solid state revisited in Audio Discussions  12 Replies 
Well, this is huge mystery in the reproduction of the few first milliwatt and I very much applaud to what Nelson Pass is trying to do. Being muse a proponent of high sensitively and low power I very much experienced with the fact the high power amps ...

Read the Post in new Window Read the Post in Threaded view  Post #4: The DG’s Tonmeisters would never pass it by Romy the Cat on 2009-08-26 
Browse the content of the threads in new Window  Thread: A CD off tune? The Big CD Conspiracy theory? in Didital Things  9 Replies 
Guys, I think you are missing the point. Regardless what technology the DG used the DG’ “Originals” series are in away different as they (allegedly) do use technology to guide sound with those re-masters but rather then use the trained ears of...

Read the Post in new Window Read the Post in Threaded view  Post #7: Will this pass through... by bernie_f on 2013-12-17 
Browse the content of the threads in new Window  Thread: A CD player of today… 20 years after TL0 in Didital Things  32 Replies 
...Romys chimney this Xmas?...

Read the Post in new Window Read the Post in Threaded view  Post #30: Second pass at Firebird by mem916 on 2011-10-15 
Browse the content of the threads in new Window  Thread: The mystery of Koetsu Onyx Cartridges. in Analog Playback  52 Replies 
OK here is another take of the same section.  This time with the Aesthetix Callisto.  I set the Tascam's inputs to "bypass" and used the volume controls on the Callisto to attenuate the signal to about the same level as the previous recording...

Read the Post in new Window Read the Post in Threaded view  Post #46: The cap will not change volume in the pass band by rowuk on 2020-09-04 
Browse the content of the threads in new Window  Thread: About EAR 834P Modifications in Analog Playback  45 Replies 
The cap was only to block DC and is not required at this position. I think that Tim (the developer) removed it on later versions himself....

Read the Post in new Window Read the Post in Threaded view  Post #44: High Pass by anthony on 2023-07-15 
Browse the content of the threads in new Window  Thread: Macondo 3.0 in Horn-Loaded Speakers  51 Replies 
Romy, I'll be digging round in my amps tomorrow and intend to install a filter for the red tweeter while there.  What should I be aiming for?  7kHz first order from memory, but hoping you can confirm.  Such a filter could be achieved just by changing...

Read the Post in new Window Read the Post in Threaded view  Post #14: High-pass & cut-off by jessie.dazzle on 2007-11-24 
Browse the content of the threads in new Window  Thread: Eventually - a reasonable midbass horn from GOTO in Horn-Loaded Speakers  97 Replies 
Romy wrote : "...The horn rate is 60Hz and it is croosovered from 70Hz – VERY interesting peculiarity..." And "...Where the GOTO-Jackson horn shines is in GOTO recommendation to cross the 60Hz horn at 70 cycles..." I would have thought t...

Read the Post in new Window Read the Post in Threaded view  Post #11: No high pass by serenechaos on 2009-04-29 
Browse the content of the threads in new Window  Thread: The tapped horns: cons, pros and Sound in Horn-Loaded Speakers  57 Replies 
ahh yes, tapped horn is what you would call "close bottom."  It has to be designed around frequency response (which is very narrow band).  It isn't a problem getting one to go low enough though, and the quality of sub bass produced, smooth yet dy...

Read the Post in new Window Read the Post in Threaded view  Post #16: Sub bass hi pass by serenechaos on 2009-04-30 
Browse the content of the threads in new Window  Thread: The tapped horns: cons, pros and Sound in Horn-Loaded Speakers  57 Replies 
[quote user="Romy the Cat"]I think it might be very interesting to introduce the high-pass filtration for tapped horn and to see how it behaves. It is not only about thermal overload and restriction of excursion. The unloading of none-used bass gener...
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