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  • Viking64
    Viking64 Posts: 7,823
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    hz4l07aj2nm0.jpg
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  • aprazer402
    aprazer402 Posts: 3,466
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    fl59xx9ns2cv.jpg
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  • treitz3
    treitz3 Posts: 20,365
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    74217879_10218479281606255_3049345429184446464_n.jpg?_nc_cat=106&_nc_eui2=AeHFDLqbbPu-QsrMW2Yc0_wab6bEHe3iusKZdS4fAwErfP0eM_E1FUV9VEmI-Gp0ukwnpsNcazLN7G-lcMeiMasWCr0hbGw3DGAZ0VJ8PM3z_g&_nc_oc=AQmkc_Je0U1SGELx1XYfGuuLHweVUsElYp_LJySNp1x8Ut68Bg0mLXb036v7otPMgX8&_nc_ht=scontent.frkh1-1.fna&oh=1d27831302381ef3b1d63e333ccae715&oe=5E6126ED

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • mhardy6647
    mhardy6647 Posts: 35,562
    edited November 2019
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    treitz3 wrote: »
    74217879_10218479281606255_3049345429184446464_n.jpg?_nc_cat=106&_nc_eui2=AeHFDLqbbPu-QsrMW2Yc0_wab6bEHe3iusKZdS4fAwErfP0eM_E1FUV9VEmI-Gp0ukwnpsNcazLN7G-lcMeiMasWCr0hbGw3DGAZ0VJ8PM3z_g&_nc_oc=AQmkc_Je0U1SGELx1XYfGuuLHweVUsElYp_LJySNp1x8Ut68Bg0mLXb036v7otPMgX8&_nc_ht=scontent.frkh1-1.fna&oh=1d27831302381ef3b1d63e333ccae715&oe=5E6126ED

    Tom

    I asked my son the above-referenced question by text.

    His reply.
    A beet

    He is a learned man...
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  • ken brydson
    ken brydson Posts: 9,105
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    1303ak1lop88.jpg
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  • CGTIII
    CGTIII Posts: 1,276
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    On the Sipsey River in Bankhead National Forest, North Alabama
    m93133hgsfqj.jpg
    Expect that there will be bumps in the road. Choose to not let them rattle you.

    Polk - Monitor 10As, SDA 2Bs, LSi9s, White RTi4s, S4s, M3s, various centers.
    Boston - CR7, CR6s, CR4s.
    Subs - M&K V4, M&K VX-7B, JBL SUB150P, Jamo Sub 250, and others.
    ​Thompson Adventures, Inc.
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  • mhardy6647
    mhardy6647 Posts: 35,562
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    as seen Somewhere Else*

    a1q1ue7oevma.png

    1eyuk06w4hol.png

    ________________
    * https://hifihaven.org/index.php?threads/went-to-the-new-york-audio-show-last-weekend.5463/#post-110477
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  • mhardy6647
    mhardy6647 Posts: 35,562
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    https://www.andoveraudio.com/products/model-one-record-player
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  • FestYboy
    FestYboy Posts: 3,861
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    Eeeewwwww
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  • OleBoot
    OleBoot Posts: 3,138
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    ez2rmlm3bsc1.png
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  • BlueBirdMusic
    BlueBirdMusic Posts: 3,137
    edited November 2019
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    I use old McDonald coffee cups once or twice a week when I use Nespresso pods.

    0q075cn4uced.jpeg



    "Sometimes you have to look to the past to understand where you are going in the future"
    Harry / Marietta GA
    m9iutt1ly1yd.png
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  • treitz3
    treitz3 Posts: 20,365
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    BREAKING NEWS -

    A wealthy Middle Eastern businessman Haadid Nahkil Muhssef has purchased Jeffrey Epstein‘s pedophile island for $56 million. Picture below...

    cfmpw7spm23z.png

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • treitz3
    treitz3 Posts: 20,365
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    I have seen one of those. Only one in my entire lifetime. Apparently they are a familiar sight in Australia and there is actually a name for them. Basically, like a "wave" in the atmosphere from one end of the sky to the other, straight as an arrow....at least in my sighting. Cool as hell!

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • Viking64
    Viking64 Posts: 7,823
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    vgctge80cjqc.jpg
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  • aprazer402
    aprazer402 Posts: 3,466
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    @EndersShadow This car was stopped in front of me at a light today. Thought of you. :)

    i25s0pr4sell.jpg
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  • EndersShadow
    EndersShadow Posts: 17,761
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    ^Awesome!
    "....not everything that can be counted counts, and not everything that counts can be counted." William Bruce Cameron, Informal Sociology: A Casual Introduction to Sociological Thinking (1963)
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  • mhardy6647
    mhardy6647 Posts: 35,562
    edited November 2019
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    a bit of dissimilar twin triode cheesecake for those of you (us) who are into such things* ... I was just checkin' some 6EM7s before sending 'em along to a hifi paisan/fellow traveler who is doing some restoration/repair of a recalcitrant (commercial) SET amplifier. They were so cute, I had to snap a few piccies. B)


    old school:

    49064549686_4f293a1ba4_h.jpgDSC_7527 (2) by Mark Hardy, on Flickr

    new school:

    49064549586_cebb0a5452_h.jpgDSC_7531 (2) by Mark Hardy, on Flickr

    _____________
    * and not that there's anything wrong with that. :#
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  • ken brydson
    ken brydson Posts: 9,105
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    gvnf38m8o9qi.jpg
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  • aprazer402
    aprazer402 Posts: 3,466
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    6dft6fzddlmr.jpg
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  • treitz3
    treitz3 Posts: 20,365
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    75084022_700640800457521_4400366106976452608_o.jpg?_nc_cat=107&_nc_oc=AQmgbPNH9y70NaMT0_o-F4pe_0DpgUVrtBNrSDhECye9BzQ3T4FNP8mcenGHn-Y9fVo&_nc_ht=scontent.frkh1-1.fna&oh=692185373abb826d62dbb319557e3c83&oe=5E87B165

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • Clipdat
    Clipdat Posts: 13,105
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    20191104130341_Review_AudioQuest_Niagara_1200_Intern.jpeg
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  • joecoulson
    joecoulson Posts: 4,983
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    Oh yeah ^
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  • verb
    verb Posts: 10,176
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    ken brydson wrote: »
    gvnf38m8o9qi.jpg

    Bad pic, but this guy was seen along the deer run behind my house and the rest of the subdivision. Looks well fed! :smile:
    9bdbyv97rhuq.png
    Basement: Polk SDA SRS 1.2tl's, Cary SLP-05 Pre with ultimate upgrade,McIntosh MCD301 CD/SACD player, Northstar Designs Excelsio DAC, Cambridge 851N streamer, McIntosh MC300 Amp, Silnote Morpheus Ref2, Series2 Digital Cables, Silnote Morpheus Ref2 Series2 XLR's, Furman 15PFi Power Conditioner, Pangea Power Cables, MIT Shotgun S3 IC's, MIT Shotgun S1 Bi-Wire speaker cables
    Office: PC, EAR Acute CD Player, EAR 834L Pre, Northstar Designs Intenso DAC, Antique Sound Labs AV8 Monoblocks, Denon UDR-F10 Cassette, Acoustic Technologies Classic FR Speakers, SVS SB12 Plus sub, MIT AVt2 speaker cables, IFI Purifier2, AQ Cinnamon USB cable, Groneberg Quatro Reference IC's
    Spare Room: Dayens Ampino Integrated Amp, Tjoeb 99 tube CD player (modified Marantz CD-38), Analysis Plus Oval 9's, Zu Jumpers, AudioEngine B1 Streamer, Klipsch RB-61 v2, SVS PB1000 sub, Blue Jeans RCA IC's, Shunyata Hydra 8 Power Conditioner
    Living Room: Peachtree Nova Integrated, Cambridge CXN v2 Streamer, Rotel RCD-1072 CD player, Furman 15PFi Power Conditioner, Polk RT265 In Wall Speakers, Polk DSW Pro 660wi sub
    Garage #1: Cambridge Audio 640A Integrated Amp, Project Box-E BT Streamer, Polk Tsi200 Bookies, Douglas Speaker Cables, Shunyata Power Conditioner
    Garage #2: Cambridge Audio EVO150 Integrated Amplifier, Polk L200's, Analysis Plus Silver Oval 2 Speaker Cables, IC's TBD.
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  • verb
    verb Posts: 10,176
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    mhardy6647 wrote: »
    a bit of dissimilar twin triode cheesecake for those of you (us) who are into such things* ... I was just checkin' some 6EM7s before sending 'em along to a hifi paisan/fellow traveler who is doing some restoration/repair of a recalcitrant (commercial) SET amplifier. They were so cute, I had to snap a few piccies. B)


    _____________
    * and not that there's anything wrong with that. :#

    Interesting design Doc! What is the premise behind the triodes being dissimilar?
    Basement: Polk SDA SRS 1.2tl's, Cary SLP-05 Pre with ultimate upgrade,McIntosh MCD301 CD/SACD player, Northstar Designs Excelsio DAC, Cambridge 851N streamer, McIntosh MC300 Amp, Silnote Morpheus Ref2, Series2 Digital Cables, Silnote Morpheus Ref2 Series2 XLR's, Furman 15PFi Power Conditioner, Pangea Power Cables, MIT Shotgun S3 IC's, MIT Shotgun S1 Bi-Wire speaker cables
    Office: PC, EAR Acute CD Player, EAR 834L Pre, Northstar Designs Intenso DAC, Antique Sound Labs AV8 Monoblocks, Denon UDR-F10 Cassette, Acoustic Technologies Classic FR Speakers, SVS SB12 Plus sub, MIT AVt2 speaker cables, IFI Purifier2, AQ Cinnamon USB cable, Groneberg Quatro Reference IC's
    Spare Room: Dayens Ampino Integrated Amp, Tjoeb 99 tube CD player (modified Marantz CD-38), Analysis Plus Oval 9's, Zu Jumpers, AudioEngine B1 Streamer, Klipsch RB-61 v2, SVS PB1000 sub, Blue Jeans RCA IC's, Shunyata Hydra 8 Power Conditioner
    Living Room: Peachtree Nova Integrated, Cambridge CXN v2 Streamer, Rotel RCD-1072 CD player, Furman 15PFi Power Conditioner, Polk RT265 In Wall Speakers, Polk DSW Pro 660wi sub
    Garage #1: Cambridge Audio 640A Integrated Amp, Project Box-E BT Streamer, Polk Tsi200 Bookies, Douglas Speaker Cables, Shunyata Power Conditioner
    Garage #2: Cambridge Audio EVO150 Integrated Amplifier, Polk L200's, Analysis Plus Silver Oval 2 Speaker Cables, IC's TBD.
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  • mhardy6647
    mhardy6647 Posts: 35,562
    edited November 2019
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    verb wrote: »

    Interesting design Doc! What is the premise behind the triodes being dissimilar?

    Fairly late in the tube era, competition and price constraints led to the development of multi-purpose tubes, mostly driven by a market for low-price TVs (e.g., in the vicinity of the late-1950s/early-1960s economic downturn that also saw the debut of the US 'compact' car segment). Looks like the 6EM7 dates from ca. 1961 http://www.tubebooks.org/tubedata/HB-3/Receiving_Tubes_Part_2/6EM7.PDF

    The 6EM7 was designed for use in color or black and white TVs -- the medium-high mu, small signal triode for vertical deflection oscillator duty and the low mu power triode as the vertical deflection amplifier.

    1qkwu68g7pzf.png
    From RCA manual RC-26 (1968).

    Much later, folks realized that tubes like this (there were other, similar tubes like the 6DN7) were well suited for the construction of simple, inexpensive single-ended triode hifi amplifiers! :) The beauty of a tube like the 6EM7 is that only one tube is required for each channel of a fully-functional power amplifier (the high-mu triode used as voltage amp and the low mu triode used as power amp). Doc Bottlehead's epochal S*E*X (Single-Ended eXperimenter's) amp was a popular example (6DN7), sold as a kit. The current version uses a similar tube in a Compactron envelope.
    https://bottlehead.com/product/single-ended-experimenters-kit-3-0-for-headphones-sensitive-speakers/

    aepo9jjatyfw.png

    Here's a 6EM7 amp design, e.g.
    https://diyaudioprojects.com/Tubes/6EM7-SET-Amplifier/

    EDIT: Oh, I forgot to mention: amplifiers using tubes like this, using a single tube per channel, are known as spud amps (one-tubers) :)
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  • mhardy6647
    mhardy6647 Posts: 35,562
    edited November 2019
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    meanwhile, a blast from the past courtesy of Drew A. Kaplan's sort-of eponymous enterprise ;)

    qbe4e4sz0jr8.png
    https://ia800306.us.archive.org/26/items/1984-Fall-DAK-Catalog/1984-Fall-DAK-Catalog.pdf
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  • verb
    verb Posts: 10,176
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    Thanks Mark! Well what do ya know! I never really noticed, all googly eyed and all when I got this thing! My SEX 2.1! :smile: Sylvania 6DN7's!
    6o1q4l522xmm.png
    Basement: Polk SDA SRS 1.2tl's, Cary SLP-05 Pre with ultimate upgrade,McIntosh MCD301 CD/SACD player, Northstar Designs Excelsio DAC, Cambridge 851N streamer, McIntosh MC300 Amp, Silnote Morpheus Ref2, Series2 Digital Cables, Silnote Morpheus Ref2 Series2 XLR's, Furman 15PFi Power Conditioner, Pangea Power Cables, MIT Shotgun S3 IC's, MIT Shotgun S1 Bi-Wire speaker cables
    Office: PC, EAR Acute CD Player, EAR 834L Pre, Northstar Designs Intenso DAC, Antique Sound Labs AV8 Monoblocks, Denon UDR-F10 Cassette, Acoustic Technologies Classic FR Speakers, SVS SB12 Plus sub, MIT AVt2 speaker cables, IFI Purifier2, AQ Cinnamon USB cable, Groneberg Quatro Reference IC's
    Spare Room: Dayens Ampino Integrated Amp, Tjoeb 99 tube CD player (modified Marantz CD-38), Analysis Plus Oval 9's, Zu Jumpers, AudioEngine B1 Streamer, Klipsch RB-61 v2, SVS PB1000 sub, Blue Jeans RCA IC's, Shunyata Hydra 8 Power Conditioner
    Living Room: Peachtree Nova Integrated, Cambridge CXN v2 Streamer, Rotel RCD-1072 CD player, Furman 15PFi Power Conditioner, Polk RT265 In Wall Speakers, Polk DSW Pro 660wi sub
    Garage #1: Cambridge Audio 640A Integrated Amp, Project Box-E BT Streamer, Polk Tsi200 Bookies, Douglas Speaker Cables, Shunyata Power Conditioner
    Garage #2: Cambridge Audio EVO150 Integrated Amplifier, Polk L200's, Analysis Plus Silver Oval 2 Speaker Cables, IC's TBD.
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  • verb
    verb Posts: 10,176
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    Clipdat wrote: »
    20191104130341_Review_AudioQuest_Niagara_1200_Intern.jpeg

    No magic dust? :smile:
    Basement: Polk SDA SRS 1.2tl's, Cary SLP-05 Pre with ultimate upgrade,McIntosh MCD301 CD/SACD player, Northstar Designs Excelsio DAC, Cambridge 851N streamer, McIntosh MC300 Amp, Silnote Morpheus Ref2, Series2 Digital Cables, Silnote Morpheus Ref2 Series2 XLR's, Furman 15PFi Power Conditioner, Pangea Power Cables, MIT Shotgun S3 IC's, MIT Shotgun S1 Bi-Wire speaker cables
    Office: PC, EAR Acute CD Player, EAR 834L Pre, Northstar Designs Intenso DAC, Antique Sound Labs AV8 Monoblocks, Denon UDR-F10 Cassette, Acoustic Technologies Classic FR Speakers, SVS SB12 Plus sub, MIT AVt2 speaker cables, IFI Purifier2, AQ Cinnamon USB cable, Groneberg Quatro Reference IC's
    Spare Room: Dayens Ampino Integrated Amp, Tjoeb 99 tube CD player (modified Marantz CD-38), Analysis Plus Oval 9's, Zu Jumpers, AudioEngine B1 Streamer, Klipsch RB-61 v2, SVS PB1000 sub, Blue Jeans RCA IC's, Shunyata Hydra 8 Power Conditioner
    Living Room: Peachtree Nova Integrated, Cambridge CXN v2 Streamer, Rotel RCD-1072 CD player, Furman 15PFi Power Conditioner, Polk RT265 In Wall Speakers, Polk DSW Pro 660wi sub
    Garage #1: Cambridge Audio 640A Integrated Amp, Project Box-E BT Streamer, Polk Tsi200 Bookies, Douglas Speaker Cables, Shunyata Power Conditioner
    Garage #2: Cambridge Audio EVO150 Integrated Amplifier, Polk L200's, Analysis Plus Silver Oval 2 Speaker Cables, IC's TBD.
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