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New Audio-gd R7 (R2R 7) & R8 Flagship Resistor Ladder DACs

Discussion in 'High-end Audio Forum' started by Currawong, Jun 30, 2017.
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  1. gk2013
    Sure, I agree! If money does not play a role and we want the best of the best! But the regenerative power supply in the R2R7-HE DAC is something else than changing a Fuse in all respect. The regenerative power supply is an amazing upgrade. This a complete different beast!
     
  2. Fatdoi
    For the price difference between R2R 7 & R2R HE7 add another few hundreds can buy HE350 regen power regulator for dac and amp... Isn't that a better option?
     
    Whitigir and Currawong like this.
  3. Currawong Contributor
    Most definitely. Some years ago I got a great deal on an old Power Plant Premier so that's what I use.
     
  4. remoss
    Note:
    So i think it can't be used with Master 10 amp. Besides that, i need EU outlets.
     
    Last edited: Sep 20, 2017
  5. tkcha
    Regenerater problem is very simple. Current will be limited only good for source U need more power conditioner for amping. HE-350 good for DAC but not the amp.
     
  6. drew911d
  7. abartels
    And use it for???? What would you want to power? What kind of stage within r2r7?

    Edit:

    Please read specs of r2r7 first before asking irrelevant questions.

    No, r2r7 has no 12V DC input, it needs 230V or 110V AC
     
    Last edited: Sep 20, 2017
  8. tkcha
    Abartels You are correct LPS -1 not gonna work.
     
  9. FredA
    Seems to me that what is inside the r2r 7 is much better that this lps
    Transplanting that lps in the r2r 7 would be a big downgrade anyway IMO.
     
    Last edited: Sep 20, 2017
  10. Fatdoi
    power consumption for R2R 7 is 45W and M9 is 55W totaling 100W. HE350 max output is 350W so maybe it's not good for M2H but think M9 shouldn't be a problem
     
  11. tkcha
    But you need more headroom and amps current swing it will be cause for compromise dynamic.
     
  12. JaMo
    Hi,
    I can recommend a medical grade UPS for low level gears sources and pre-amp. Another good enough, but not necessarily medical grade UPS for the poweramps.
    All behind an galvanic isolation transformer, (with HF and transienprotection from the powergrid). Transformer needs to be a oversized, silent one (x4 in my case). UPS's must also have a healthy margin for their loads. I use double (x2)

    Off topic but I thought it is relevant.

    /Jan
     
  13. HoloSpice
    Lmao these guys are funny~
     
  14. Fatdoi
    but how much headroom you need, the regenerator supplies more than 6x power consumption the headphone amp uses?
     
  15. bunkbail
    Maybe this is a stupid question, can the R2R 7 be paired with a Gustard H10 balanced amp? If it can, is it a good idea to pair with it? Can the sound quality be any good?
     
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