1,00,000uf total psu cap for good bass? - Page 11 - diyAudio
Go Back   Home > Forums > Amplifiers > Chip Amps

Chip Amps Amplifiers based on integrated circuits

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 20th August 2012, 05:03 PM   #101
diyAudio Member
 
Join Date: May 2010
Location: Skokie Il
Here's some woo free commentary on choosing capacitors, courtesy of Walter Jung..

Picking Capacitors - Walter G. Jung and Richard Marsh
  Reply With Quote
Old 20th August 2012, 05:12 PM   #102
diyAudio Member
 
Join Date: Aug 2012
audibility is fine like you said if u measure the frequency spectrum or mls plot it will have same but what about musicality? Materials are changing some signature i just think that...
  Reply With Quote
Old 20th August 2012, 05:16 PM   #103
SY is offline SY  United States
diyAudio Moderator
 
SY's Avatar
 
Join Date: Oct 2002
Location: Chicagoland
Blog Entries: 1
Quote:
Originally Posted by Bare View Post
Well I'm a born skeptic long regarding most 'Audio Weenie' claims as delusional.
Many may be delusional, many may be not, but anecdote is not data.
__________________
And while they may not be as strong as apes, don't lock eyes with 'em, don't do it. Puts 'em on edge. They might go into berzerker mode; come at you like a whirling dervish, all fists and elbows.
  Reply With Quote
Old 20th August 2012, 05:21 PM   #104
bcmbob is offline bcmbob  United States
diyAudio Member
 
Join Date: Dec 2009
Location: Bay City, Michigan
SY, I don't want you to compromise your publishing rights, but could you give a shorthand description of what you consider to be valid and usable data? It seems so many things are being intertwined. Though hopefully not irrational, I do admit to mounting confusion.
__________________
Bob M.
"Arrange Whatever Pieces Come Your Way."

Last edited by bcmbob; 20th August 2012 at 05:23 PM.
  Reply With Quote
Old 20th August 2012, 05:32 PM   #105
diyAudio Member
 
Join Date: Aug 2012
probably some expression on type of sound seems good try.. atleast..
High End Audio - Listening note
  Reply With Quote
Old 20th August 2012, 05:35 PM   #106
bcmbob is offline bcmbob  United States
diyAudio Member
 
Join Date: Dec 2009
Location: Bay City, Michigan
Sorry, not quite clear. Do you mean types of music or lab type test tones?
__________________
Bob M.
"Arrange Whatever Pieces Come Your Way."
  Reply With Quote
Old 20th August 2012, 05:37 PM   #107
SY is offline SY  United States
diyAudio Moderator
 
SY's Avatar
 
Join Date: Oct 2002
Location: Chicagoland
Blog Entries: 1
Quote:
Originally Posted by bcmbob View Post
SY, I don't want you to compromise your publishing rights, but could you give a shorthand description of what you consider to be valid and usable data? It seems so many things are being intertwined. Though hopefully not irrational, I do admit to mounting confusion.
Chase the link on tonmeister.ca I gave you before. Basically, you absolutely need level-matched double blind comparisons, otherwise you're conflating a lot of factors having nothing to do with the actual sound. Chapter 5 is the most relevant- read the entire thing in detail.

Of course, if you measure things like 3dB of frequency response change, you don't need DBTs to establish audibility!
__________________
And while they may not be as strong as apes, don't lock eyes with 'em, don't do it. Puts 'em on edge. They might go into berzerker mode; come at you like a whirling dervish, all fists and elbows.
  Reply With Quote
Old 20th August 2012, 06:31 PM   #108
benb is offline benb  United States
diyAudio Member
 
Join Date: Apr 2010
Quote:
Originally Posted by bcmbob View Post
I'm not promoting or refuting anything here, but a question does come to mind. If supposed "higher grade" capacitors are so unnecessary and marginally effective, why haven't simple market forces caused companies to stop making them. Though I agree there is a lot of hype and a lot of people fall for it, it's hard for me to believe so many companies could fool so many people for so many years successfully. How does one determine where to draw the line between fancy boutique, and well worth a few extra bucks.?
One answer is in how to tell in a reliable way how to tell the difference in sound. This video doesn't apply perfectly, but it shows a few pitfalls in human hearing that can lead one astray:
Audio Myths Workshop - YouTube
The scientific test is the double blind test, or as SY has been saying, "ears only" - a comparison between two devices, configurations or whatever based only on the sound, not just without regard to which is which, but without knowledge of which is which.
Quote:
Originally Posted by SY View Post
In fashion niches, people believe things for reasons other than actual performance.
This statement is true, but incomplete. In audio, they (or even 'we', when we're not on our toes!) can still believe that what they hear is a performance (audible) difference.
  Reply With Quote
Old 20th August 2012, 08:24 PM   #109
bcmbob is offline bcmbob  United States
diyAudio Member
 
Join Date: Dec 2009
Location: Bay City, Michigan
I just watched the Myths video. Though interesting, there was nothing there I was not already aware of. There was also nothing there I could or would refute or disagree with. It is indeed a fascinating science and my hat is off to those who pursue it to that extent.

I will however restate my position. I won't go back over my music performance history but please accept that it has been extensive and at times of very high quality. Unless one possesses the gift of perfect pitch, most people rely on some sort of electronic device to zero in on a standard for the venue and conditions involved.

Beyond that point it is in fact "All Ears". In almost sixty years I have never experienced a jazz combo leader or the conductor of a symphonic group stop a rehearsal or performance because of something seen on a scope or panel. That doesn't negate the value of scopes and panels for amplifier design, scientific research and just plain audiophile intrigue.

All I am now and previously proposing is somewhat more confidence in the accuracy and dependability of what one hears as a gauge to what a circuit is doing. I don't have to have scientific proof that the fragrance of a rose exists and is measurable, before I can appreciate the aroma.

Again, I am fascinated by the science of both electronics and audio and stand in awe of those who have made so many significant discoveries. I just do not believe I am delusional, speaking to aliens, or completely irrational if I post a report dealing with and/or based on a sensibility that I have trusted successfully (and even earned me a few dollars) for a span of several decades

Someone on this forum has the signature "Just Hear The Music". Being truly grateful for and appreciative of the science and technology involved, that's essentially all I want to do. And to a "reasonable" extent, I do trust what I hear. In my mind formal testing is complementary to enjoyable listening – not its replacement or adversary.

Nothing more....nothing less.

O.K. .... back to the "real" business at hand.
_____________

Sorry Andrew. I will attempt to keep my distance.
__________________
Bob M.
"Arrange Whatever Pieces Come Your Way."

Last edited by bcmbob; 20th August 2012 at 08:27 PM.
  Reply With Quote
Old 20th August 2012, 09:01 PM   #110
SY is offline SY  United States
diyAudio Moderator
 
SY's Avatar
 
Join Date: Oct 2002
Location: Chicagoland
Blog Entries: 1
Bob, please read the link I posted. No-one, least of all me, has suggested that you shouldn't use your ears for testing of audibility. In fact, exactly the opposite was suggested. But ears only! Otherwise the quality of your evidence is equivalent to that of alien abductions or fairy spotting (please note the subject of this sentence).

When orchestras audition musicians, they do it from behind a screen. There's a reason for that.
__________________
And while they may not be as strong as apes, don't lock eyes with 'em, don't do it. Puts 'em on edge. They might go into berzerker mode; come at you like a whirling dervish, all fists and elbows.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
SOLD OUT--- 12,000Uf 80 Volt cap Apex Jr Apex Jr 5 11th March 2013 04:08 PM
Sylvania 6dj8's 10 total good value!' johnnyk9 Swap Meet 0 24th July 2011 01:49 AM
High Quality Cap 12.000uF/63V Piersma Swap Meet 2 1st August 2009 10:29 AM
WTB: 10,000uf Cap mrdon Swap Meet 4 13th May 2006 10:40 PM
Good tweeter for less than USD 25.00 each? tcpip Multi-Way 83 20th September 2005 03:03 PM


New To Site? Need Help?

All times are GMT. The time now is 04:51 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2