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Woo Audio WA7TP (tube power supply) Impressions Thread

Discussion in 'Headphone Amps (full-size)' started by warrenpchi, Apr 20, 2014.
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  1. Schopenhauer
    All of this is good to know. Thank you. I will look into the WA2 and the WA22. The WA5 is, I think, a bit out of my price range.
     
  2. warrenpchi Administrator
    WA7tp in da house!  [​IMG]
     
  3. Maxx134
    Nice..
     
  4. audiophile_007
    Ordered the wa7tp and I ordered a pair of ECC802s gold pin tubes from eurotubes.com. These are long plated ones so they should have a fat, thick tone.
    Can't wait to try them out when my wa7tp arrives!
     
  5. teamrushpntball
    So rather subjective question but I've been eyeing an upgrade from my Bifrost/Lyr and have been looking at some of the Woo amps.  For ~ $1400 is the WA7 + WA7tp going to be the better amp than a WA6SE or WA2 if I continued to use my Bifrost?  Currently running some AKG k712's with my eyes on the HE560 sometime soon, or maybe LCD 2's.  
     
    Namely I'm wondering if the WA7 amp is as good as the WA6SE/ WA2 if I disregard the DAC portion?
     
  6. Maxx134
    Very nice I will also post impressions once I receive mine,
    as I attained the Sylvania 5814A 12AUs matched pair to swap once I get it.
    These were the tubes that gave more bottom oomph when I listened at the NYmeet..
     
  7. Maxx134
    interesting I wonder as well.
     
  8. warrenpchi Administrator
     
    Wish I could help but I haven't heard either.  [​IMG]  I'll bet Frank I. knows.
     
  9. audiophile_007
    you mean these tubes?
     
    http://www.ebay.nl/itm/1959-Sylvania-12AU7-GOLD-GRADE-DG-Tubes-Matched-Pair-ECC82-6189-5814A-CONN-/161275434912?pt=Vintage_Electronics_R2&hash=item258cc3d7a0&_uhb=1
     
    wanna get a set for myself aswell.
     
  10. Maxx134
    I would like to see what differences besides the tubes are there and what is going on...

    It is giving more power or current or higher voltage swings or maybe the tubes are doubling as a filter or storage with their hot cathodes spilling those electrons in the tube vacuum?

    Or maybe there is some kind of right/left channel separation? How is this supply designed?
    What's inside that Lil box!
    Fairy dust? Lol
     
  11. Maxx134
  12. Dogmatrix

    These are rebranded 12au7 tubes , the tubes being discussed are specifically 5814a which has a slightly different spec to 12au7
     
  13. Maxx134
    I have a question. .
    The woo wa7 is rated a max of 1W @ 32ohms. .
    So what differences would I encounter with the WA7TP installed?

    Will we see specs and/or internals of this unit?

    I know for sure there will be sonic advantages as I have herd it,
    But just wondering on the technical aspects of this unit..
     
  14. JoelT
    +1
     
    Interested in this as well. 
     
  15. Bevo
    "Hey guys we've got a new product for $400. It's very nice. Buy it cos its better"
     
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