Romy The Cat's Home
Manifesto Copyright
Statistics Site Links
Site Map Surveys
Send Email to Romy the Cat
The site is back....!!!
Audio Knowledge Tree ™
Romy's "Audio Rules"
Audiophile Satire
Melquiades SET Amplifier
Macondo Acoustic System
End of Life Phonostage
Audio Demoronizator AD-1
My Exotic Audio Leftovers
My Playback System
» An interesting read abou»
» Audio Cost
» Valve Technology Timeline
» Stephen Hartkel, the goo»
» Has anyone ever seen the»
» Lowther Driver
» A random neutralness
» "It" Thread
» Emmerich Kalman (1882-19»
» Janine Jansen
» To Rip or not to Rip.
» The great Corus performa»
» Another time aligned 5-w»
» Understanding Line Array»
» Panel with Peter Qvortru»
» Arsenic bacteria & G»
» The New Year Concerts wi»
» Dedicated Music Room Bui»
» Available Blenders and S»
» Mstislav Rostropovich Di»
» Always check power-line »
» Dual channel SET
» My Multi-way Horns
» Terminal Velocity? Smart»
» Steve Leung, Cartridge W»
» RAAL Dipole Ribbon Tweet»
» DA architecture: True M»
» Music and Arts of Americ»
» Hammond?
» Suggested target curves »
» S2 Hissing Sound
» Conductors and Audio Sou»
» Rubinstein at Carnegie H»
» Faberryman and the CES 2»
» Romance, Food & Mahl»
» How to insert youtube vi»
» First order filtration a»
» Lab JC
Bookmarked are red
AudioTools
Olson Acoustical Book
Audiofederation's Blog
BostonSymphony's Channel
Bruce Edgar's Edgarhorn »
Audiomisc
JBL Products
Spinning Dog Records
Western Electric manuals
Classic Artc Showcase
Duntech Audio loudspeake»
Audio Anthology
More Links »»
Romy the Cat's personal site dedicated to advanced audio and evolved music reproduction techniques

Posts Authors:  Listed only members with posts
 Posts Period :    to      Format: Year/Month/Date
Search Phrase:   
Search in Forum: 
Print Results per page:  Separate words by empty space
 

     Pages: 21, Posts: 609    Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...


          Tip: narrow down your search criteria or select a larger number of printed results per page.


Read the Post in new Window Read the Post in Threaded view  Post #63: Mass/friction by N-set on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="decoud"] None of these seems to apply in your case because you have a properly levelled installation, directly on concrete [/quote]If I had it on a concrete I'd be very happy! On wood it is, mafrend, on wood.[quote user="decoud"]I see th...

Read the Post in new Window Read the Post in Threaded view  Post #61: Spike logic? by N-set on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="decoud"]It seems reasonable to begin with the science -- as a preliminary to listening -- but I do not follow the logic here. The source of the vibration is principally the floor: the table should therefore not be coupled with spikes but...

Read the Post in new Window Read the Post in Threaded view  Post #60: Mass decoupling by N-set on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Decoud, if you look carefully at what I'm doing you will see how and where the table is decoupled.The logic behind the high mass I've already explained. I was unaware though how tricky it is to implement-this is my 1st construction.The logic behind d...

Read the Post in new Window Read the Post in Threaded view  Post #58: Yes and no by N-set on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Paul, I did not dismiss result-oriented solution. I'm fighting hard to get one actually. Honestly, I initially hoped that brutal mass loading will be enough to deal with what I have,and as a bonus I'll have a +/- universal solution I could move when ...

Read the Post in new Window Read the Post in Threaded view  Post #56: Floor feedback by N-set on 2013-12-04 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="Paul S"] I wonder how much hitting the rack feeds the floor/cavity(cavities).[/quote]Paul, standing barefoot right next to the spikes and hitting the rack  with my palm's base moderately(like if I wanted to push a bit blocked door), I ca...

Read the Post in new Window Read the Post in Threaded view  Post #55: I could not agree more... by N-set on 2013-12-04 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
...with Romy. So far it has been all abstract, following some known good solutions (like Vibraplane)...and it will largely stay like that for some time unfortunately.My actual space is too small to build a reasonable acoustical system, I use headphon...

Read the Post in new Window Read the Post in Threaded view  Post #52: Vibrational jungle by N-set on 2013-12-04 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="N-set"]A very approximate calculation shows that in my case I should have the profile fundamentals around 20Hz, soperhaps what I take as subsonic vibrations are actually 20Hz, poorely damped due to the added sand mass. I've ordered a dir...

Read the Post in new Window Read the Post in Threaded view  Post #51: Ringing by N-set on 2013-12-04 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Rings=poorely damped, due to its crystaline structure. Take a granite tile with two fingers, put your ear close to it and knuckle. Observe the sound.Repeat with other stones to compare. For that reason it's neither used in nanolabs anymore (see e.g. ...

Read the Post in new Window Read the Post in Threaded view  Post #49: Ad hoc fixes by N-set on 2013-12-03 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="Paul S"]Again, you might gain something by fastening the rack to adjacent walls and adjusting the tension and/or damping of those connections. In any case, you'll want to prevent swaying of a TT support, and likely a CD transport, as wel...

Read the Post in new Window Read the Post in Threaded view  Post #48: Stoned beaings by N-set on 2013-12-03 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="Jorge"] For some reason I cannot post pics, they wont upload to the server so I cant select them.The way Aurios work is with 3 ball bearings rolling inside a round chanel, something like an inverted doughnut...top and bottom.On the cen...

Read the Post in new Window Read the Post in Threaded view  Post #45: Spike pickup by N-set on 2013-12-02 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Paul, I hear you clearly re wall mount. Well...I have chosen the hard way an occasion to have one, +/- universal solution I could "copy&paste"if I change location.  Go through that hell and have it done once and forever. I even ask my daughter to...

Read the Post in new Window Read the Post in Threaded view  Post #42: Hmm... by N-set on 2013-12-02 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
I think I've slowly started to understand the behavior of my rack.A very approximate calculation shows that in my case I should have the profile fundamentals around 20Hz, soperhaps what I take as subsonic vibrations are actually 20Hz, poorely damped ...

Read the Post in new Window Read the Post in Threaded view  Post #41: Sand context by N-set on 2013-12-01 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Paul, I can olny speak within my context and with no audio tests, only knuckling.I use pure silca sand in 3 granulations (2 of them fine unfortunately), mixed with steel shots.Of course the sand is there to quench the steel ringing. But while achievi...

Read the Post in new Window Read the Post in Threaded view  Post #39: Implementation by N-set on 2013-12-01 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Ok, 2 thoughts:1) Forsell seems to have some air suspension for the CD platter. I don't know in which axis/axes it works but if in the same as the rollers (lateral motion+torsion) then there is a potential for a troublewith a double compliance system...

Read the Post in new Window Read the Post in Threaded view  Post #37: Aurios by N-set on 2013-12-01 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Jorge, do you have any picture of those Aurios? Do they have two caps to hold the ball or one?If two, did you attach the upper one firmly to the component or simply put it on it, using weight?How would you describe the negative sound change?Is Forsel...

Read the Post in new Window Read the Post in Threaded view  Post #35: Steel-slate interface by N-set on 2013-11-30 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="N-set"] I'm looking for a nice material to interface between the steel frame and the slate topas a contrained layer--would be a sin to loos such an occasion for constr. lay. damping.After some research, Sorbothane seems unsuitable as it ...

Read the Post in new Window Read the Post in Threaded view  Post #34: Why people buy Vibraplanes? by N-set on 2013-11-27 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="Paul S"]Well, I hate to think N-Set's efforts equate functionally with such a "basic" solution. [/quote]In general of course I agree, Romy&Paul! But there are few niuances, although how importnat sound-wise I do not know. First, Vibr...

Read the Post in new Window Read the Post in Threaded view  Post #33: Ball bearing by N-set on 2013-11-26 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="N-set"] Add to that marbles in egg holders and you have a real 6 axis decouplers, lightyears better than any audiopedofile $$$ spikes/cones/stillponts/HRS etc. Thank you Bary Diament for enlightning writings:http://www.barrydiamentaudio....

Read the Post in new Window Read the Post in Threaded view  Post #31: Slick inelegance by N-set on 2013-11-26 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
[quote user="Romy the Cat"] Very slick and very inelegant. [/quote]Hahaha, thank you Romy :)[quote user="Romy the Cat"] Juts to ice the cake I would provision 4 hooks atop of the insert that would allow you to hang the insert to the air-suspended pla...

Read the Post in new Window Read the Post in Threaded view  Post #29: Inner Cage by N-set on 2013-11-26 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Romy, there will be an inner cage for electronics inside the TT stand:This is a sand+shot filled steel frame topped with the same vulcanic slate as the TT stand.I tried to put the cage a la RixRax but it did not work(the picture&explanations are ...

Read the Post in new Window Read the Post in Threaded view  Post #27: TT stand ass-embly by N-set on 2013-11-26 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Below are some pics of the final TT stand assembly. Visually it turned outbetter than I thought (although width/heighth proportions are ugly due to space constraints).The pneumatically suspended top is on it's place, with the120kg slate slab on it. I...

Read the Post in new Window Read the Post in Threaded view  Post #26: Em-bedding by N-set on 2013-11-25 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Paul, I've been definitely looking at the DIY CNC "market" for ideas!! Esp. regarding the frame construction.The problem is that they are happy once all the frame resonances go to 3-5Hz, so they usea lot of mass loading. Here, my airsprings resonate ...

Read the Post in new Window Read the Post in Threaded view  Post #24: Leather felt by N-set on 2013-11-24 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Yes, I was thinking about lether too. Felt is also an option. However they both seem to me not"viscoleastic" enough and good primarly at HF, while the damped steel profile vibratesmainly at LF. I was thinking about solutions for car deadening either ...

Read the Post in new Window Read the Post in Threaded view  Post #21: Viscoelastic interface by N-set on 2013-11-24 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Paul, thanks! But the interface I'm thinking of is between the steel frame you see in the pictures and a slate plate that will come on top of it.Something to put on top of the steel profiles, some good viscoelastic, comfortable in the constrained lay...

Read the Post in new Window Read the Post in Threaded view  Post #19: DIY Vibraplane clone by N-set on 2013-11-24 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
Here is a little update on my DIY suspended rack.The top TT table is made and preliminary tested for lekages.This is basically a 1,4m x 0,7m DIY Vibraplane clone. The steel profile is now filled with perlite. I feel it damps worse than sand+steel sho...

Read the Post in new Window Read the Post in Threaded view  Post #54: Next level by N-set on 2013-11-22 
Browse the content of the threads in new Window  Thread: The Foolishness of Analog People in Analog Playback  56 Replies 
Next level of foolishnes: $2800 for  a record clamp (!!!)http://app.audiogon.com/listings/tweaks-shun-mook-lp-clamp-and-accessories-2013-11-22-accessories-canadaBravo marketing people!...

Read the Post in new Window Read the Post in Threaded view  Post #53: AE by N-set on 2013-11-10 
Browse the content of the threads in new Window  Thread: The Foolishness of Analog People in Analog Playback  56 Replies 
[quote user="Stitch"]Probably Albert Einstein was an early Audiophile, don't know, but to quote him: "Two Things Are Infinite: the Universe and Human Stupidity"[/quote]He was a physicist, he knew how physics looked like from the inside....and the thi...

Read the Post in new Window Read the Post in Threaded view  Post #54: 1993! by N-set on 2013-11-07 
Browse the content of the threads in new Window  Thread: The Museatex Bidat pages. in Didital Things  57 Replies 
Ok, I have not fully seen the temporal context, it was 1993!! Chapeau!I did read about the algorithm, I just reacted to the claimes about the balanced DAC being "also unique",which I quoted in the first line.Now I understand, it was in its time. Diya...

Read the Post in new Window Read the Post in Threaded view  Post #51: Balanced DAC's by N-set on 2013-11-07 
Browse the content of the threads in new Window  Thread: The Museatex Bidat pages. in Didital Things  57 Replies 
I did not have time to read the articles carefully, but:"The IDAT’s D/A conversion stage is also unique.""In the IDAT, two DACs per channel are used for each half of the balanced data signal instead of one."...the very idea of balancing DAC's is not ...

Read the Post in new Window Read the Post in Threaded view  Post #59: Question marks by N-set on 2013-10-29 
Browse the content of the threads in new Window  Thread: Where are our good phonostages? in Analog Playback  61 Replies 
Yes, my question above was not without a reason.Esp. why Mr. Heisig decided to copy&paste his postingon Omnigone from so-much-hated WBF here, 1+year after?  ...
All context of this site except the Forum's posts Copyright © Roman Bessnow 2004-2024
All messages within the Site’s Forum Copyright © by authors of the posts
Last 24-hours posts:  0  
Total human visitors:  42,288,071  
   
      Search Site Forum
     Search Site via Google
 
Login:
Pass:
    Create a New Account
    Forgot your Account
APR 1 First Monday at Jord»
APR 1 Tufts Composers in M»
APR 3 NEC Philharmonia in »
APR 4 Still Here: Music of»
APR 4 Andris Nelsons, cond»
APR 4 La Tragédie de Carme»
APR 5 Andris Nelsons, cond»
APR 5 Motown for Peace in »
lang lang: tiny desk (home)»
marin alsop on her swing or»
mahan esfahani: tiny desk c»
cellist lynn harrell has di»
npr music's top 14 albums o»
anthony davis wins pulitzer»
augustin hadelich: tiny des»
c.p.e. bach: mercurial dive»
classical music news - leo»
classical music news - aug»
is bach better on harp?»
julian bream, maestro of g»
a woman takes the podium a»
he wasn’t toscanini, but h»
9 things to do this weeken»
classical music news. diab»
another trump blunder»
from concerts to cartoons:»
classical music livestream»
how to diversify orchestra»
ethel smyth, a composer lo»
classical music attracts o»
‘the lost pianos of siberi»
5 minutes that will make y»
it’s (almost) business as »
the lost pianos of siberia»
More Music News »»
André, Johann (28 Mar»
Mussorgski, Modest (21 Mar»
Moussorgsky, Modest (21 Ma»
Rachmaninoff, Sergey (1 Ap»
Rachmaninov, Sergey (1 Apr»
Ciurlionis, Mikalojus (10 »
Furer, Arthur (28 March 19»
Buckinx, Boudewijn (28 Mar»
Morduhovich, Alexandr (28 »
Giamalis, Nikolaos (28 Mar»
Micro-Seiki Arm Board
Micro-Seiki MAX-282 To»
Conscience of audio rev»
Ortofon Mono CG 25 Di c»
Rohde & Schwarz EU-6201»
Vitavox S2 Compression »
Altec 515B bass drivers
Micro Seiki RX-5000
ESS AMT-1A Heil Air Mot»
Musatex’s Bidat Model "»
Vitavox AK-15/40 15" ba»
More Leftovers »»