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  • mhardy6647
    mhardy6647 Posts: 33,156
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    NotaSuv wrote: »
    dycc0ujldp4f.jpg

    Yup.
    Settled science.
    :#
  • TEAforONE
    TEAforONE Posts: 1,016
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    Clipdat wrote: »
    unnamed_1_2f661c79-84ab-4090-8cdc-f34a5d4c85a7.jpg?v=1612227991

    Nice! Tell us a little something about it.
    See my profile for list of gear.
  • maxward
    maxward Posts: 1,533
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  • Clipdat
    Clipdat Posts: 12,654
    edited December 2021
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    TEAforONE wrote: »
    Nice! Tell us a little something about it.

    The Arioso 300B is an integrated class A SET amplifier. The output tubes use stabilized DC current heater supply. A dedicated system separates the tube heating circuit from the stabilizer system. The entire amplifier circuit was built using the point-to-point method. The unique design and high grade components allowed us to achieve a very natural, incredibly detailed and musical sound, with well-controlled bass and a rich but not „emphasized" midrange.
    Technical Specification

    Output power: 2 x 8W
    Frequency range: 15Hz – 32KHz +/- 3dB
    Input sensitivity: 1V RMS
    Input impedance: 100KOhm
    THD: 0,3% @ 1KHz @ 1W and 2,5% @ 1KHz @ 8W
    Input selector: 3 RCA inputs
    Remote control: ON-OFF, input selector, volume, mute
    Dimensions: 410x 330 x 210mm (incl. tubes)
    Weight: 25kg
    Designed, developed & made 100% in Poland

    Box content

    Beautifully hand-crafted Tube Amp
    Electro Harmonix Gold 300B power tubes
    CV181-TII PsVane 6SN7 driver tubes
    NOS rectifier tube
    AC cord
    User Manual
    Warranty Card
  • mhardy6647
    mhardy6647 Posts: 33,156
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    Wonder what the output impedance is and who did the OPTs for it?
    I assume it's a zero added NFB design (?).
    Also wonder what they used for the "NOS" HV rectifier -- looks like maybe a 5U4, but it's hard to tell how large it is, hidin' behind the 300Bs.

  • tonyp063
    tonyp063 Posts: 1,050
    edited December 2021
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    mhardy6647 wrote: »
    Wonder what the output impedance is and who did the OPTs for it?
    I assume it's a zero added NFB design (?).
    Also wonder what they used for the "NOS" HV rectifier -- looks like maybe a 5U4, but it's hard to tell how large it is, hidin' behind the 300Bs.

    Rectifier is a russian 5C3S. Which is indeed analogous to a 5u4.

    Output transformers (according to some digging I did) are from Leszek Ogonowski.
    Based upon published specs for the amp, possibly these. 2500 ohm.

    http://www.ogonowski.eu/transformers/single-ended/lo-se25-5/

  • mhardy6647
    mhardy6647 Posts: 33,156
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    tonyp063 wrote: »
    mhardy6647 wrote: »
    Wonder what the output impedance is and who did the OPTs for it?
    I assume it's a zero added NFB design (?).
    Also wonder what they used for the "NOS" HV rectifier -- looks like maybe a 5U4, but it's hard to tell how large it is, hidin' behind the 300Bs.

    Rectifier is a russian 5C3S. Which is indeed analogous to a 5u4.

    Output transformers (according to some digging I did) are from Leszek Ogonowski.
    Based upon published specs for the amp, possibly these. 2500 ohm.

    http://www.ogonowski.eu/transformers/single-ended/lo-se25-5/

    Most impressive. :)
  • mhardy6647
    mhardy6647 Posts: 33,156
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    On audioasylum earlier today...

    doiux212biz7.png

    my response:

    bqjxd0yy04s0.gif


    B)

  • motorhead43026
    motorhead43026 Posts: 3,892
    edited December 2021
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    Yeah, I got a robot vacuum as an early Christmas present. It spends more time trying to hump table legs like a randy turtle than vacuuming.
    2 channel: Anthem 225 Integrated amp; Parasound Ztuner; TechnicsTT SL1350; Vincent PHO-8 phono pre; Marantz CD6005 spinner; Polk SDA2BTL's; LAT International speaker cables, ZU Mission IC's and power cables all into a PS Audio Dectet Power center.

    Other; M10 series II, M7C's, Hafler XL600 amp, RB-980BX, Parasound HCA-1500 amp , P5 preamp, all in storage. All vintage Polk have had crossover rebuilds and tweeter upgrades.

    The best way to predict the future is to invent it.

    It is imperative that we recognize that an opinion is not a fact.

    Imagine making politics your entire personality.
  • audioluvr
    audioluvr Posts: 5,461
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    Yeah, I got a robot vacuum as an early Christmas present. It spends more time trying to hump table legs like a randy turtle than vacuuming.

    You must have some pretty sexy table legs! My GF just bought me a Shark with the dump station. It does a fantastic job.
    Gustard X26 Pro DAC
    Belles 21A Pre modded with Mundorf Supreme caps
    B&K M200 Sonata monoblocks refreshed and upgraded
    Polk SDA 1C's modded / 1000Va Dreadnaught
    Wireworld Silver Eclipse IC's and speaker cables
    Harman Kardon T65C w/Grado Gold. (Don't laugh. It sounds great!)


    There is about a 5% genetic difference between apes and men …but that difference is the difference between throwing your own poo when you are annoyed …and Einstein, Shakespeare and Miss January. by Dr. Sardonicus
  • soundfreak1
    soundfreak1 Posts: 3,389
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    Clipdat wrote: »
    0bde33bgwusv.png

    Ok Dad!
    Main Rig:
    Krell KAV 250a biamped to mid/highs
    Parasound HCA1500A biamped to lows
    Nakamichi EC100 Active xover
    MIT exp 1 ic's
    Perreaux SA33 class A preamp
    AQ kingcobra ic's
    OPPO 83 CDP
    Lehmann audio black cube SE phono pre, Audioquest phono wire (ITA1/1)
    Denon DP-1200 TT. AToc9ML MC cart.
    Monster HTS 3600 power conditioner
    ADS L1590/2 Biamped
    MIT exps2 speaker cable
  • treitz3
    treitz3 Posts: 18,469
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    Ok Dad!
    You do know that he is talking about corralling the tadpoles, correct?

    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. ~
  • soundfreak1
    soundfreak1 Posts: 3,389
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    Just one of my "Dads" most repeted phrases, over and over and....
    Main Rig:
    Krell KAV 250a biamped to mid/highs
    Parasound HCA1500A biamped to lows
    Nakamichi EC100 Active xover
    MIT exp 1 ic's
    Perreaux SA33 class A preamp
    AQ kingcobra ic's
    OPPO 83 CDP
    Lehmann audio black cube SE phono pre, Audioquest phono wire (ITA1/1)
    Denon DP-1200 TT. AToc9ML MC cart.
    Monster HTS 3600 power conditioner
    ADS L1590/2 Biamped
    MIT exps2 speaker cable
  • mhardy6647
    mhardy6647 Posts: 33,156
    edited December 2021
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    ^^^ @CH46E that first photograph (in particular) is fantastic!
  • TEAforONE
    TEAforONE Posts: 1,016
    edited December 2021
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    A
    See my profile for list of gear.
  • TEAforONE
    TEAforONE Posts: 1,016
    edited December 2021
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    Quick question. How come I can’t delete my post????
    See my profile for list of gear.
  • Clipdat
    Clipdat Posts: 12,654
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    Because Vanilla.
  • TEAforONE
    TEAforONE Posts: 1,016
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    Clipdat wrote: »
    Because Vanilla.

    That’s what I thought. Why on earth would the ability to delete your own post be removed? Am I censored from self censoring??
    See my profile for list of gear.
  • Clipdat
    Clipdat Posts: 12,654
    edited December 2021
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    Apparently yes. You can only edit posts for an hour, but you can never delete them or edit them after the initial hour. It's pretty stupid.
  • treitz3
    treitz3 Posts: 18,469
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    It's amazing what you are censored from on this forum nowadays. We went from the gun slingin' wild west to Oprah's rainbow filled wonderland of the woke seemingly overnight.

    It's actually better as of late though, so I'll give them that. Still, some things still just leaves one scratching their head...

    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. ~
  • CH46E
    CH46E Posts: 3,580
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    mhardy6647 wrote: »
    ^^^ @CH46E that first photograph (in particular) is fantastic!

    Thanks but I did not know there was a delay for night shots. That's why it's a bit fuzzy. I moved. It's like a 2 to 3 second exposure I guess for night.
  • mhardy6647
    mhardy6647 Posts: 33,156
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    CH46E wrote: »
    mhardy6647 wrote: »
    ^^^ @CH46E that first photograph (in particular) is fantastic!

    Thanks but I did not know there was a delay for night shots. That's why it's a bit fuzzy. I moved. It's like a 2 to 3 second exposure I guess for night.

    That's not a bad thing, IMO. It adds an aura of surreality to the photo, which is really what makes it for me. The reflections on the water are incredible.
  • CH46E
    CH46E Posts: 3,580
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    mhardy6647 wrote: »
    CH46E wrote: »
    mhardy6647 wrote: »
    ^^^ @CH46E that first photograph (in particular) is fantastic!

    Thanks but I did not know there was a delay for night shots. That's why it's a bit fuzzy. I moved. It's like a 2 to 3 second exposure I guess for night.

    That's not a bad thing, IMO. It adds an aura of surreality to the photo, which is really what makes it for me. The reflections on the water are incredible.

    Me too. I liked the reflections. I wish I had a real camera and knew how to use it.
  • treitz3
    treitz3 Posts: 18,469
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    Blurry pic but....1938 Dymaxion
    r8fxhdnp5dvd.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. ~