"Shortest Way" SW51 Amp Impressions (Simple SET Amp)

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

  1. Zampotech

    Zampotech Friend

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    Dear friends

    Small addition. now payment is possible by PayPal or Bank transfer (more preferable)

    Now the amplifiers are already undergoing final Assembly. In the near future will begin sending

    Anyone who ordered SW51 and did not receive the final order form, please check your mail or send me an email.
    If someone decided to cancel the purchase, please let me know.
    If someone did not refuse the purchase, but decided to postpone the purchase to a later date, please also let me know.
     
  2. joch

    joch Friend

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  3. Stuff Jones

    Stuff Jones Friend

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    @Zampotech - any update on when the current batch of amps will ship?
     
  4. Zampotech

    Zampotech Friend

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    Now the first batch is ready for shipment.
    I do not want a lot of time to pass between payment and sending, so I send invoices dosed.
    I made the amps with a small margin. Everyone who ordered will get their amplifier. Even the possibility of additional orders.
     
  5. Zampotech

    Zampotech Friend

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    A short photo essay

    New batch of ALPS RK27

    [​IMG]

    This is how the buildings of the second batch look like. I was given some epoxy yellow paint, I hope it looks a little better.

    [​IMG]

    Part of the assembled printed circuit boards

    [​IMG]

    Amplifiers in the build process

    [​IMG]

    In the near future, I will devote myself to developing and creating a powerful hybrid power amplifier without feedback, so I made a stock of cases for the SW51 and a little for the Bachelor. In fact, this is readiness for the 3rd party

    You can use this form to pre-order an amplifier from a third party

    [​IMG]
     
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  6. FlySweep

    FlySweep Friend

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    OMG.. SBAF tee with the SW51+ ** swoons **
     
  7. Lyander

    Lyander Official SBAF Equitable Empathizer

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    @Boops :)
     
  8. HotRatSalad

    HotRatSalad Friend

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    I like the yellow ! Nice job. Can't wait !
     
  9. Stuff Jones

    Stuff Jones Friend

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    @Zampotech - Any update on shipping for the second batch?
     
  10. Zampotech

    Zampotech Friend

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    I was forced to stop sending and re-check the entire batch of manufactured amplifiers after receiving a fault message from @obsiCO and @Mdkaler (PM) No defects were found in the new batch of amplifiers. The re-check was redundant, but it should have been.
    No one is immune from special cases of malfunctions and they will also be solved. I'm afraid of a system error.
    Now your amplifier and 4 other amplifiers are re-checked, packed, and will be shipped tomorrow.

    I also want to warn users from Southeast Asia. Their amplifiers are also manufactured, but I'm waiting for the postal services to decide. Due to the flu pandemic, planes do not fly to this region or fly irregularly and timely delivery is not guaranteed. That's why I'm not sending it yet.

    PS I don't know how reliable today's news in the grass is that the pandemic is on the decline. I really hope so.
     
    Last edited: Feb 20, 2020
  11. ader

    ader Friend

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    I put in an order for a + w/ cat on the front earlier :D
     
  12. Zampotech

    Zampotech Friend

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    I have not informed the respected community about the manufacturing process for a long time. Perhaps that time has come.

    The first thing I want to say. The production process is in full swing. Amps are being manufactured and it is still possible to order new amps.

    Of course, the pandemic has made its own adjustments and the process has slowed down a bit due to broken logistics. But for now, all the problems are being solved.

    I will show you some photos of the production process.

    The case after the inscription.

    [​IMG]



    PCB after soldering radio elements


    [​IMG]

    Prepared ALPS potentiometers

    [​IMG]

    Prepared output 1/4 Jack boards

    [​IMG]

    Fully finished amplifier Board with wires. The green PCB is the first batch Board. There's only one thing left from the first batch.

    [​IMG]

    To speed up the production time of output transformers, I started making frames and passing them to the manufacturer of output transformers.

    [​IMG]

    Unfortunately, the production of output transformers is currently the longest process.


    Everyone who ordered the amplifier should have received a reply letter from me. If someone has not received such a letter, do not hesitate to remind them of yourself. I will only be grateful.

    Another addition. I send invoices in small batches. Please understand me correctly, I do not want to accumulate debts and start a fuss and make mistakes accordingly.


    I hope that the pandemic will not affect you and your families. Life goes on. We have nowhere to run from planet Earth

    [​IMG]
     
  13. Stuff Jones

    Stuff Jones Friend

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  14. YMO

    YMO Chief Fun Officer

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    You can get two of them from Amazon for the price of one at Worst Buy via the AmazonBasics brand.
     
  15. uncletim

    uncletim New

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    I apologize for posting in the impressions thread.

    I want to order an SW51, can someone in the US tell me how EMS delivered your amp? I do not get USPS at my home. thanks. PM is fine.
     
  16. bilboda

    bilboda Florida boomer

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    EMS is USPS in the US, How do you get packages? Maybe you could request they hold it at the post office for pick up?
     
  17. YMO

    YMO Chief Fun Officer

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    Are you in a Rural Route? They will most likely leave the peach slip telling you to go to this location to pick up your package.
     
  18. uncletim

    uncletim New

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    I have a USPS PO Box for mail, they accept USPS packages, anything else is returned to sender (Amazon exempt of course)

    Seems like it would be fine since EMS is USPS.
     
  19. YMO

    YMO Chief Fun Officer

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    You should be fine if you are in a Rural Route. If you are friends with someone that manage the local mail, I would give them a heads up.
     
  20. joch

    joch Friend

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    I think at the moment posting from the origin may be a bigger problem. I hope @Zampotech is alright.
     

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