BDP-2 sound card
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  1. #1
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    BDP-2 sound card

    James, I thought you had mentioned in the past that the BDP-2 uses the same sound card as the BDP-1, so the units would sound the same. However, Ray says his BDP-2 obviously sounds better than the BDP-1. He has a side by side photo here, and the only thing that appears similar between the two is the silver module in the center. Is the sound card different in the BDP-2? Thanks.

    Bryston BDP-1 Digital Player - Review - Page 2 - Polk Audio
    Bud

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  2. #2
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    Re: BDP-2 sound card

    Hi Bud

    The sound card is the same. The only difference is the Mother board in the BDP-2 has 10 times the speed and 3 times the memory.

    james

    james

  3. #3
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    Re: BDP-2 sound card

    Thanks. I'm glad my memory still works.
    Bud

    Lumin X1
    Sony XA-5400ES SACD
    Pass XP-22 pre, X600.5 amps
    Magico S5 MKII Mcast Rose speakers, SPOD spikes

    Shunyata Triton v3/Typhon QR for preamp, Denali 2000 (2) for amps
    Shunyata Sigma XLR analog ICs, Sigma speaker cables
    Shunyata Sigma HC (2), Sigma Analog, Sigma Digital, Z Anaconda (3) power cables

    Mapleshade Samson V.3 four shelf solid maple rack, Micropoint brass footers
    Three 20 amp circuits.

  4. #4
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    Re: BDP-2 sound card

    What is that black box on the PSU board for ? Is that a DC/DC converter ?

    Adam

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  5. #5
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    Re: BDP-2 sound card

    Hi Adam

    Power supply for the front panel.

    james

  6. #6
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    Re: BDP-2 sound card

    Quote Originally Posted by James Tanner - Bryston View Post
    Hi Adam

    Power supply for the front panel.

    james
    Why have you choosen the SMPS for the front panel, when you already invested into a good linear PSU for the board ?
    Adam

    Speakers: Magico M3
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  7. #7
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    Re: BDP-2 sound card

    Hi

    Wanted to keep the power supplies independent.

    James

  8. #8
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    Re: BDP-2 sound card

    That is understood. I'm only surprised, that you decided to use the SPMS, only after you spend considerable amout of money on the linear PSU for the board.

    As you know, the problem with the SMPSs is two fold - they inject the noise to the component they power and then back to the AC line, where it can affect other components.

    The display, which noisy by itself, probably does not care about the extra noise coming from the SMPS, but other components may not be very happy seeing the extra noise on AC line.

    As you probably know, Aurender went even further in their W20 server, where they implemented a battery PSU to drive the audio/usb part. The problem is, that the MoBo and the charger are still beeing powered by SMPS.

    As Martin Colloms from HiFi Critic had discovered, simply plugging the Aurender W-20 into the same AC line as the rest of the system, makes the system sound worse. He speculated it is because of the noise from the SMPS. No wonder HiFi Critic review is the one missing from the Aurender website ...

    It is also no surprise, that the new Aurenders all use all-linear PSU. No SMPS in sight (and for the S10 and X100 models, aftermarket linear PSUs are already offered).
    Adam

    Speakers: Magico M3
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  9. #9
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    Re: BDP-2 sound card

    Hi Adam

    We have not had any complaints in that regard but it is worth looking at.

    James

  10. #10
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    Re: BDP-2 sound card

    This is one of those cases, were you realise there was a problem, only after removing it. Probably worth a try when working on BDP-3 down the road.
    Adam

    Speakers: Magico M3
    Amp: Vitus SM-103 / MSB M202
    Digital: Lampi Pacific + Lampi DSD Komputer
    Cables: AQ WEL Signature IC / Shunyata Anaconda Z-Tron SC / AQ Hurricane PCs

 

 
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