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Massdrop x THX AAA™ 789 Linear Amplifier - Impressions Thread

Discussion in 'Headphone Amps (full-size)' started by XERO1, Mar 1, 2018.
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  1. protoss
    That's good enough for me
  2. TJ Max
    For those of you who pre-ordered one back in May, have any of your orders started to ship yet? The est. ship date was supposed to be 8/30.
    Also I wonder if we will be receiving the Massdrop branded version or the Drop branded version since the name change hadn't happened yet.
  3. alpovs
    Didn't you receive a email that the shipping will be delayed until the end of September? It's also posted on the Drop discussion section for this product.
    TJ Max likes this.
  4. TJ Max
    Nope. Didnt see this.
  5. alpovs
    Hmm... I just received an email that mine shipped. You had a feeling...
    Looks like they are shipping them early.
    TJ Max likes this.
  6. TJ Max
    That's good news. I'm still curious if it will still be the Massdrop branded version since we order these before the name change, and before the newer Drop branded version was announced.

    The second after I posted this message, I also received a Shipping notice! :beerchug:
    Last edited: Sep 5, 2019
    alpovs likes this.
  7. Cortlendt
    Is power brick compatible with 220V? It should be written on the power brick itself if anyone has one near. Many thanks in advance.
  8. adeadcrab
    The only reason the new version is shipping to Australia now (220V+) is a certification Drop had to get. It should be as simple as plugging into a travel adapter.
    Cortlendt likes this.
  9. lator
    It's in the product info: Switching power supply that handles 100–240 VAC (US plug; adapter needed for global use)
    Cortlendt likes this.
  10. deafenears
    Or a figure-8 / IEC C7 cable should work. You can probably find one for around the same price as an adapter.
    Cortlendt likes this.
  11. RestlessZombi
    I use mine with a replacement "Figure 8" cable. UK 230v Supply so should be fine for Worldwide use.

    Anyone ever seen inside.. it's pretty sparce inside.. :)
  12. JinTam
    I just received my unit last night. I spent a few hours on it with my Empyrean and Utopia, it doesn't sound any different than straight out of my media player. Same when I played it direct from my Mac versus through the THX, also no difference. So, I don't understand what all the hype is about.
  13. alpovs
    I have received my unit that I ordered at the end of May 2019. I can confirm that it has the older branding with "Massdrop" on the back and "THX" on the front with no "DROP" in sight.

    I have an older unit that I ordered in November 2018, and what's interesting is the older unit has
    a serial number 007XX, SKU MDX-19090-1, Prod No. BJ18 and AW Rev.A 09/2018.
    The new unit that I just got has
    a serial number 034XX, SKU MDX-19090-2, Prod No. BF19 and AW Rev.A 03/2018. So, it seems that only the serial number and SKU progressed but the Prod No. and AW Rev. digressed.

    I wonder why the new unit has the AW Rev. (whatever it is) earlier than the older unit while still been "A". And I don't know what Prod No. is but F comes before J. The first mention of this amp appeared in March 2018 just as the AW Rev. of the newer unit. It looks like my newer unit could be manufactured before my older unit. Could it be that there was an earlier production run with defects and they reworked them causing all those delays?

    I wonder if @AndrewM888 could shed some light on this "conspiracy theory" :)
  14. deafenears
    Maybe a typo and that should have been 03/2019?
  15. chungjun
    Prod No. BF19

    Prod No. progressed (vs BJ18) no?
    Last edited: Sep 11, 2019
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