atomicbob
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acoustic research scientist

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atomicbob

dScope Yoda, Male, from On planet

Friend BWC MZR

This is a drive-by post ... life has been extraordinarily crazy for the last three weeks ... May 2, 2021

atomicbob was last seen:
May 15, 2021 at 10:52 PM
    1. atomicbob
      atomicbob
      25 business days left in my corporate gig before retirement to personal research. Corporate going nuts as this finally registered.
      1. Azteca, Josh83, JK47 and 34 others like this.
      2. View previous comments...
      3. yotacowboy
        yotacowboy
        Proper Prior Planning Prevents Piss Poor Performance.
        Dec 16, 2019
        atomicbob likes this.
      4. atomicbob
        atomicbob
        @yotacowboy - absolutely, the 7P's of any venture. In retirement my consulting agreements require two weeks advance booking. Emergencies with under the two week notice have stiff penalties associated. When asked about this by management I merely responded that they might consider planning better.
        Dec 17, 2019
      5. atomicbob
        atomicbob
        You can tell I've had a lifetime of schedule issues based on poor planning, lack of contingency planning. Always being asked for schedule estimates with ranges and adopting the shortest estimate as standard management practice.
        Dec 17, 2019
    2. atomicbob
      atomicbob
      short and insightful: code for lazy and deceitful.
      1. ChaChaRealSmooth
        ChaChaRealSmooth
        Well, it's still possible to be succinct right?
        Dec 12, 2019
        Thad E Ginathom likes this.
      2. atomicbob
        atomicbob
        Context for my comment can be found in @rlow 's profile post immediately preceding mine in the new profile posts column.

        @ChaChaRealSmooth yes, it is still possible to be succinct.

        I should have also used sloppy, as in lacking rigor, instead of lazy.
        Dec 13, 2019
    3. atomicbob
      atomicbob
      My forum participation has been and will continue to be spotty as I handle several major life milestones concurrently ...
      1. View previous comments...
      2. atomicbob
        atomicbob
        Thank-you all for the thoughts. My mother has had a good 99+ year run. Her connection to audio began with being a telephone cord board operator in the 40's. I fortunately put a mic and recorder in front of her a few years back and asked questions about her life to capture both her voice and life history.
        Nov 25, 2019
      3. atomicbob
        atomicbob
        I'll still post and run, but in-depth participation will vary depending on responsibilities of the moment. There are many good contributions that deserve more than a casual perusal, which I hope to catch up with in retirement early next year.
        Nov 25, 2019
        Thad E Ginathom and rlow like this.
      4. Thad E Ginathom
        Thad E Ginathom
        All the best, Bob.
        Nov 26, 2019
        atomicbob and Lyander like this.
    4. atomicbob
      atomicbob
      And now to go and deal with yet another interruption
      1. atomicbob
        atomicbob
        Cue Marvin Martian: "Delays, delays ..."
        Nov 18, 2019
        hikergrl and Lyander like this.
    5. atomicbob
      atomicbob
      1. Wilson, Syzygy, LetMeBeFrank and 4 others like this.
    6. atomicbob
      atomicbob
      Have I mentioned how much I hate rhinovirus? Especially two in tandem. Not much getting done other than hacking, coughing and wasting time.
      1. View previous comments...
      2. Elnrik
        Elnrik
        Get well soon!
        Oct 30, 2019
        Wilson and atomicbob like this.
      3. ChaChaRealSmooth
        ChaChaRealSmooth
        Be well soon Bob.
        Oct 30, 2019
        atomicbob likes this.
      4. atomicbob
        atomicbob
        Thank-you for the well wishes. Not terrible but annoying to have taken vacation time from corporate specifically to catch up on some measurements, etc. only to spend time alternating between sleeping and tissue box. I shouldn't complain. At least I'm not being chased out of my home by hell fires with high winds. I hope all those affected in California will be ok.
        Oct 31, 2019
    7. atomicbob
      atomicbob
      100 calendar days, with holidays and time off, 47 business days to go. But who's counting?
      1. View previous comments...
      2. yotacowboy
        yotacowboy
        12/19/19 <beastieBoys>drrrrrop!</beastieBoys>
        Oct 9, 2019
        Superexchanger likes this.
      3. yotacowboy
        yotacowboy
        but @atomicbob, retirement? if so congrats! best retirement story I've heard in my office: guy doesn't make it known to anyone but HR that he's retiring. on day of retirement, comes into the office, plops a bottle of scotch on his desk and commences to the drinkin'. Anyone that notices is welcomed in for a drink and a story or two.
        Oct 9, 2019
        atomicbob and DigMe like this.
      4. Ringingears
        Ringingears
        Hey, I’m retired. You guys are confusing me. I kinda like it.
        Oct 9, 2019
        atomicbob and DigMe like this.
    8. atomicbob
    9. atomicbob
      atomicbob
      Measurements for three components in progress: sw51+, ECP audio T4, and bifrost-2 updated format and USB. Will appear as time permits.
      1. Cryptowolf, obsiCO, RobS and 9 others like this.
      2. atomicbob
        atomicbob
        Had T4 measurements completed awhile ago but updated format for one measurement and want to redo with new format.

        bifrost-2 will go back to dBFS y-axis to avoid confusion

        sw51+ presents some interesting opportunities and will require extra graphs.

        It should be noted I am enjoying these components very much. Makes it hard to concentrate on measurements which feel more like work.
        Oct 6, 2019
        obsiCO, rlow, FatCat and 1 other person like this.
      3. Lyander
        Lyander
        >interesting opportunities

        As if the hype surrounding these amps weren't already at breaking point! Looking forward to it all :)

        If I may place a request, subjective comparison between SW51 and Sunrise would be very much appreciated.
        Oct 6, 2019
    10. atomicbob
      atomicbob
      Dante Bifrost-2 SW51 HD800J-mod: wow - just wow! measurements much later, enjoy first ... for quite a few albums.
      1. Jinxy245, Lyander, Luckbad and 3 others like this.
      2. View previous comments...
      3. atomicbob
        atomicbob
        Keep in mind my HD800-Jmod do not sound like regular HD800 or even HD800 with most of the usual mods. Ever since @johnjen modified these for me I have not heard other cans (at meets) that interest me enough to acquire. The closest I've come is the Focal Stellia and even then, at $3K I'm given pause. Maybe at $1K.
        Sep 28, 2019
        tommytakis and FlySweep like this.
      4. atomicbob
      5. Ash1412
        Ash1412
        Thanks. I'll be waiting for the full set with recommendations. I'm guessing you're running Hi Out for HD800?
        Sep 29, 2019
    11. atomicbob
      atomicbob
      have been scarce on forums and will continue as the lab is completely torn apart again. Didn't have enough fun with water damage ...
      1. Jinxy245 likes this.
      2. View previous comments...
      3. Ringingears
        Ringingears
        @atomicbob Sorry to hear about your situation at work. My best wishes for a speedy recovery for your colleague’s wife.
        Aug 25, 2019
      4. Richgard
        Richgard
        I am sorry to hear that water damage is the worst
        Aug 25, 2019
      5. Thad E Ginathom
        Thad E Ginathom
        Actually, we also have water damage. We are building an extra room on the flat concrete roof. That roof is not the best roof in the world, and the building has disturbed it. But our damage (so far, fingers crossed) is limited to dripping water and some ruined paint which is only a year old. Hardly worth mentioning in this context,but I'm annoyed that the builder didn't forsee it.
        Aug 26, 2019
    12. atomicbob
      atomicbob
      RL has been time consuming - corporate wishes laws of physics were optional for acoustics - cue Scotty from Star Trek.
      1. Syzygy, hikergrl, Ash1412 and 4 others like this.
      2. Lyander
        Lyander
        I mean, corporate wishes financial accountability was optional; laws of physics is but a step removed from that, in their eyes.
        Aug 18, 2019
    13. atomicbob
      atomicbob
      Would you a-holes in California please keep the earthquakes to yourselves? Awaking at 0251 to a 4.6 is not my idea of how to start Friday.
      1. JoshMorr, Syzygy, hikergrl and 8 others like this.
      2. View previous comments...
      3. YMO
        YMO
        How about Northeast Winters?
        Jul 12, 2019
        atomicbob likes this.
      4. Jinxy245
        Jinxy245
        I hope you incurred no more damage...
        Jul 12, 2019
        atomicbob likes this.
      5. atomicbob
        atomicbob
        @Jinxy245 - no new damage, thank-you for asking. Earthquake this small is likely to only create tears in drywall tape joints. Just finished the last drywall repair tears from the Nisqually earthquake during water damage restoration.
        Jul 13, 2019
        Jinxy245 likes this.
    14. atomicbob
      atomicbob
      1. Lyander, Richgard, Jinxy245 and 2 others like this.
      2. Jinxy245
        Jinxy245
        I've heard of overdubbing....is this underdubbing?
        Jul 10, 2019
        atomicbob likes this.
      3. e.schell
        e.schell
        ...Always knew those...sounded...like shit? ...
        Jul 10, 2019
        atomicbob and Jinxy245 like this.
      4. atomicbob
        atomicbob
        Got to hear the solo'd track at Sylvia's presentation to AES PNW Tuesday night.
        Jul 11, 2019
        Thad E Ginathom and Jinxy245 like this.
    15. atomicbob
      atomicbob
    16. atomicbob
      atomicbob
      Lab finally restored after pipe leak flood. 8 weeks start to finish and $10K. During this time I've worked to streamline measurements ...
      1. Azteca, hikergrl, Biodegraded and 6 others like this.
      2. View previous comments...
      3. atomicbob
        atomicbob
        @Azteca - That would make life easy for me but require pdf viewers on the readers' browsers. dScope reports generated are HTML and I'm exploring a combination of unix tools + photo editors + file manipulation to convert HTML to png such that I could upload 10 pngs in a row and have them self-documenting. Labeling uploaded graphs is one of the more time consuming, tedious tasks in my measurement posts.
        Jul 11, 2019
      4. Syzygy
        Syzygy
        Jul 11, 2019
        atomicbob likes this.
      5. atomicbob
        atomicbob
        developed a system of photomarks (resize graphics used by html) - sed (edit html) - DocuFreezer (convert) to get from html to png.
        Jul 12, 2019
        Syzygy likes this.
    17. atomicbob
      atomicbob
      Been very busy with real life issues; lab restoration, rats, minor medical issues, major corporate project headaches ... physics is a bitch.
      1. brencho, Bill-P and Jinxy245 like this.
      2. View previous comments...
      3. Riotvan
        Riotvan
        If i were a rat I'd think twice about moving into a house owned by guy who calls himself Atomicbob.
        Jul 4, 2019
        atomicbob and Bill-P like this.
      4. Bill-P
        Bill-P
        Hm... yeah, we're starting to have a rat issue here as well. It's quite scary when I think they may be watching me while I'm asleep. Maybe they are scheming to take over!
        Jul 4, 2019
        Riotvan and atomicbob like this.
      5. atomicbob
        atomicbob
        We were having a nice grilled dinner with wine on the patio when a couple of rodents ran through the hillside rockery. Put out a couple of TomCats baited with peanuts. Not 10 minutes and the score was AB 2, rodents 0.
        Jul 5, 2019
        Riotvan likes this.
    18. atomicbob
      atomicbob
      Lack of forum participation due to two hell weeks - drying subfloor took 244 hrs (high noise). Then we find rats in the crawl space and ...
      1. View previous comments...
      2. FallingObjects
        FallingObjects
        Hopefully dental work and colonoscopy are from different doctors - that'd be one hell of a party trick though.
        May 21, 2019
      3. Thad E Ginathom
        Thad E Ginathom
        Maybe he swallowed his dentures?
        May 21, 2019
      4. DigMe
        DigMe
        Sounds like you're up to your elbows. Let's hope the doctor is not.
        May 21, 2019
        Thad E Ginathom likes this.
    19. atomicbob
      atomicbob
      1. Jinxy245
        Jinxy245
        Damn that's like adding insult to injury...hope things are back to semi-normal soon.
        May 9, 2019
        atomicbob likes this.
      2. TomHP
        TomHP
        But your room is really quiet otherwise though! Below NC20 (almost)? Nice!
        May 9, 2019
        atomicbob likes this.
      3. atomicbob
        atomicbob
        @TomHP - yes, it is and I've acclimated to living in quiet. Lengthy exposure to noisy environments is torture for me now. The space could be NC15, mic preamp + A/D used had a little residual noise at the top end. Mic is ACO 7046 capsule on a Josephson C617 body.
        May 10, 2019
    20. atomicbob
      atomicbob
      Short pause in work related, recreational listening and technical measurement activities to deal with corroded, leaking water pipes.
      1. View previous comments...
      2. atomicbob
        atomicbob
        Update: it's going to be several more 65 dBA days of drying. Total cost will be about two Aficionados + really nice tube collection including rare unobtanum 2A3 and WE396a.
        May 9, 2019
      3. Thad E Ginathom
        Thad E Ginathom
        Oh god. Insurance?
        May 9, 2019
        atomicbob likes this.
      4. atomicbob
        atomicbob
        Very high deductible to keep annual expense down. Basically disaster insurance. Still, if this is the worst to happen, I'm doing well for the duration. I feel for those currently experiencing health issues.
        May 10, 2019
        Thad E Ginathom, Jinxy245 and Elnrik like this.
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  • About

    Gender:
    Male
    Location:
    On planet
    Occupation:
    acoustic research scientist
    Gear List:
    See about section for my opinions
    My enjoyment of particular recreational music systems is inextricably intertwined with my personal preferences. The following lists are representations of my tastes in music, components and listening levels. The section on music is only a sample of my library but should provide sufficient insight into my musical preferences. I am rigorous and exacting with component measurements. That doesn’t automatically make my opinions worth anything without context. Use the following information to decide how well your own preferences converge or diverge with mine when I make comments about equipment in the forum. DO NOT blindly assume a positive comment from me about some component or headphone will automatically translate to auditory happiness on your part. Likewise you may find yourself enjoying something that I don’t. Consider (learning) your own personal preference.

    Music
    50s, 60s & 70s jazz
    Louis Armstrong, Charles Mingus, Thelonious Monk, Sonny Rollins, Miles Davis, Duke Ellington, Cannonball Adderly, Les McCann & Eddie Harris
    Recorded by Columbia (Frank Laico, Fred Plaut), Bluenote (Rudy Van Gelder), Contemporary Records (Roy DuNann)

    More recent jazz artists
    Wynton Marsalis
    Dave Grusin
    Dave Brubeck
    Bela Fleck
    Chick Corea
    Christian McBride
    Wycliffe Gordon
    Ingrid Jensen
    Steve Treseler
    Terell Stafford
    Ronnie Earl
    Steve Gadd Band
    Charlie Haden
    Brad Mehldau

    Medeski, Martin & Wood
    Medeski, Scofield, Martin & Wood
    Ill Considered
    Snarky Puppy
    Pat Metheny

    Artfully deviant
    Steve’n’Seagulls - Thunderstruck
    Two Cellos - Thunderstruck

    A class by himself
    Santana

    60s & 70s rock
    Emerson Lake & Palmer
    Blood Sweat & Tears
    Pink Floyd
    Jethro Tull
    JJ Cale
    Little Feat
    Dave Matthews Band
    Chicago
    Queen
    Cat Steven – Tea for the Tillerman
    Grateful Dead
    Lead Zeppelin

    Tangerine Dream
    Bruce Becvar
    Gary Stroutsos

    Classical composers
    Mozart
    Bach
    Beethoven
    Respighi
    Vivaldi

    Special
    Canadian Brass

    Listening Levels dBSPL
    60~70 quiet, background listening
    70~80 recreational and critical listening
    80~90 rocking out, often with libations at hand
    90~100 Santana Black Magic Woman / Gypsy Queen, ELP Tank - drum solo

    I tend to listen at quieter levels where electroacoustic transducers exhibit greater linearity. Higher levels are more likely to have greater distortion and require higher power amplification. The result is substantial deviation in opinions by listeners attempting to compare headphones when they are listening at different levels.

    DACs
    Treasured
    Holo Audio KTE Spring2
    Schiit Bifrost2
    Matrix Audio X-Sabre Pro
    Lavry DA11

    Enjoy
    Schiit Yggdrasil A2
    Schiit Gungnir MB A2
    Soekris 1421

    Work (recording, editing, acoustic measurements)
    Lavry DA11, AD11
    RME ADI-2 Pro

    Rather not listen
    Auralec Vega
    Resonessence Labs Concero
    Topping D30
    Objective DAC

    Universal Turd
    Audio-gd S19

    Amps
    Treasured
    Eddie Current Zana Deux SE
    ECP Audio DSHA-3F
    ECP Audio T4
    Shortest Way 51+
    Cavalli Liquid Crimson

    Enjoy
    Cavalli Liquid Platinum
    Schiit Lyr3 with PSVane 6SN7
    EC ZDT Jr after hum reduction modifications
    BottleHead Crack (PS modified, no speedball, e80cc driver)
    Cavalli MCTH
    Schiit Magni3+
    Schiit Vali2 with 6CG7
    Project Sunrise with 12BH7 and Linear Power Supply

    Rather not listen
    Objective 2
    Topping anything

    Headphones

    Treasured
    Sennheiser HD800-Jmod
    Focal Stellia
    Sennheiser HD600

    Enjoy
    Sennheiser HD650
    Focal Clear
    HiFiMan HE-500

    Rather not listen
    Most anything planar except for the HE-500

    System
    I developed a VST chain dubbed Immersion Virtualization System which I employ for my recreational listening. This has a substantial influence on my perception of component performance. See the IVS descriptions in the following links:

    https://www.superbestaudiofriends.o...-synergy-special-sound.54/page-14#post-129407

    https://www.superbestaudiofriends.o...-synergy-special-sound.54/page-29#post-221217

    Signature

    Organizing chaos for nearly seven decades.