"Shortest Way" Amp Impressions (Simple SET Amp)

Discussion in 'Headphone Amplifiers and Combo (DAC/Amp) Units' started by Hands, Jul 12, 2019.

  1. bilboda

    bilboda Friend

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    +1, in my ballpark for a change up from phonitor e, Crack and LNBM. I received LNBM from zampotech shipped from Russia just fine. Fairly quick and tracked with EMS...
     
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  2. Dash

    Dash Almost "Made"

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    I'm interested, pending price and logistics.
     
  3. Zampotech

    Zampotech Friend

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    The estimated weight of the amplifier is 4 kg. the Exact value will be known after manufacture. For US, the shipping cost will be approximately $45 by airmail, and $55 by EMS courier

    If you send six amplifiers to one address at once, the cost of sending six amplifiers will be $160 ($27 amplifier). In this case, the shipment is only Express EMS.
     
  4. Zampotech

    Zampotech Friend

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    The development of the theme

    The amplifier is quite large. Because of the large output transformers, its size is 190mm in width, 190mm in length and 125mm in height.

    The color in the picture may not match the color of the real amplifier. There are many simplifications in the picture.

    Image render

    [​IMG]


    PS . The manufacturer of the NBM will give me some of the necessary printed circuit Board but was denied in a beautiful tumblers. Greedy scoundrels:(
     
    Last edited: Jul 23, 2019
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  5. Hands

    Hands Overzealous Auto Flusher - Measurbator

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    That's, what, 7.5" x 7.5" (length and width)? That's still fairly compact, I think.

    With the new transformers, how exactly will they impact the bass? Better extension, less roll-off? Lower distortion? I haven't tried measuring the amp I have to see if there's an actual bass roll-off.
     
  6. Zampotech

    Zampotech Friend

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    With new transformers bass should be magnificent, tight and bouncy. I am now testing the first version of the transformer, there is already a good result.

    Unfortunately, the mathematical calculation of transformers is very difficult. The fastest and most correct will be a practical test of real transformers.
     
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  7. Dzerh

    Dzerh Friend

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    And the projected amp price is ...?
     
  8. Zampotech

    Zampotech Friend

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    To be honest, there is no exact figure yet. But it will probably be in the range of $240-$270
    The exact price I can say only after the Assembly of all elements. While there are no prerequisites for higher prices.
     
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  9. Dzerh

    Dzerh Friend

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    Are you planing providing any warranty or amps will be sold "AS-IS"?
     
  10. Zampotech

    Zampotech Friend

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    Definitely. Everything except the tubes. For NOS tubes guarantee can not give. On the tube NOS manufacturer's warranty ended a few decades ago.
    Exchange a damaged amplifier for a new one within the first 12 months, if the defect was not due to mechanical damage or user intervention.
    But always my product ( not necessarily amplifier) is tested in hot regime several tens of hours. A defective product usually dies within the first hours of testing.
     
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  11. Ash1412

    Ash1412 Friend

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    From the looks of it, there are two outputs for different impedances. I'm guessing with the lower gain that the potentiometer doesn't have to be uber expensive but I'm willing to pay more just to get something quality like rk27
     
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  12. gixxerwimp

    gixxerwimp Professional tricycle rider

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    Damn you, @Zampotech! If I hadn't bought your last NBM, I'd be all over this. Wonder if my wife would notice two of these in the living room while I decide which one to keep and which one to sell :p

    Guess I'll wait for comparisons of the finished product ...
     
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  13. Tachikoma

    Tachikoma Acquaintance

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    The headphone out on the iFi Pro iDSD is exactly that, I think.
     
  14. Zampotech

    Zampotech Friend

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    Women and amplifier are in good harmony

    [​IMG]
     
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  15. Zampotech

    Zampotech Friend

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    Very good wish, but probably it will be as a separate option. We have ALPS RK27 expensive, about $34. On aliexpress they are cheaper, but I'm afraid of fakes

    PS.Was formerly the optimal resistor RK18. He combined quality RK27 and had cost about $12. Unfortunately its release was discontinued.

    [​IMG]
     
    Last edited: Jul 24, 2019
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  16. Hands

    Hands Overzealous Auto Flusher - Measurbator

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    Buy a bunch of Tocos Cosmos pots. About 1 in 5 have decent channel matching. ;)

    On the other hand, that won't save any of us money either. :)
     
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  17. bilboda

    bilboda Friend

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    I like the Audio Note pots. One may be able to get a good price in volume.
     
  18. tommytakis

    tommytakis Friend

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    I'm a bit late to the party, but I'm interested as well! Interested to see how this compares to my ZDT Jr.

    I appreciate all that you do for the community @Zampotech
     
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  19. Zampotech

    Zampotech Friend

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    "Shortest Way" Day one.Conceiving

    not a very beautiful sight

    [​IMG]

    [​IMG]

    [​IMG]
     
    Last edited: Jul 24, 2019
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  20. msommers

    msommers High on Epipens

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    Loving the product shots.
     
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