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  1. #1
    AVClub Addicted Member
    Feb 2008
    1,459

    950 Direct Drive

    4 950 Direct Drive. / , . ,,
    1>Reference level 1kz .
    2>
    3> + "" .(Silent groove)
    4> 370Hz 3:7 duty 3,54cm/s

    PS. 4 .
    Attached Images Attached Images

  2. #2
    Supreme Member
    Mar 2009
    4,027

    : 950 Direct Drive

    .
    20Hz?
    ( ) 20Hz, hw .
    sw 20Hz.
    H 1 Q401, ... ADC .
    , .
    , . BW , 20MHz , probe 1 ... 7-9MHz .
    (370Hz).
    ?

  3. #3
    AVClub Addicted Member
    Feb 2008
    1,459

    : 950 Direct Drive



    - " 20Hz"
    - 10Hz / ' .
    - H 1 Q401, ...
    - ' , 1Kz Reference.
    - . .
    - ..
    . ...> > >. .
    ,, "Absolute Polarity" "" ***
    , , , 930 950 .. .

    1*** "";;; , .
    2.

  4. #4
    AVClub Addicted Member
    Feb 2008
    1,459

    : 950 Direct Drive

    lemon
    .
    20Hz?
    ( ) 20Hz, hw .
    sw 20Hz.
    H 1 Q401, ... ADC .
    , .
    , . BW , 20MHz , probe 1 ... 7-9MHz .
    (370Hz).
    ?
    RIAA RIAA .

  5. #5

    : 950 Direct Drive

    A weight FFT.
    1 Hz 6 z ,
    -50db 10Hz -10db 20z.
    .

    :
    A-weighting
    Hz dB
    63 – 26.2
    125 – 16.1
    250 – 8.6
    500 – 3.2
    1k 0
    2k + 1.2
    4k + 1.0
    8k – 1.1
    16k – 6.6

    ADC
    ( ADC).

    RIAA
    duty cycle :

    riaa.jpg

    RIAA.
    .

 

 

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