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Multi-channel mixer design

Discussion in 'Electronic Repair' started by N_Cook, Feb 8, 2010.

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  1. N_Cook

    N_Cook Guest

    After wrestling with (and bodging around) another batch of broken control
    pots, no more meatier than presets , 10x11mm footprint.

    I suppose the makers order the pots and then their footprint in the
    hundreds, determines the overall amp footprint to a large extent.
     
  2. N_Cook

    N_Cook Guest


    From my limited experience rotary encoders are even more problematic.
    I suppose touch screens is the way it will go. Saw some report about auto/
    expert systems coming in , so no sound man involved at all
     
  3. Phil Allison

    Phil Allison Guest

    "Arfa Daily"
    ** Which has got nothing to do with a multi-channel mixing desks using 100 -
    200 rotary pots - all of which need to have their setting obvious at a
    glance.


    ** The cost of replacement is absurd compared to a simple pot.

    ** Fact is, they must have this feature to keep the total cost of a mixer
    from becoming insane.

    There is nothing wrong with the humble pot and linear fader, which unlike
    encoders give * stepless * adjustment of levels with low THD and noise at
    low cost.

    Good quality ones with cermet or plastic tracks have an enormously long
    life.


    ..... Phil
     
  4. N_Cook

    N_Cook Guest

    I agree that the resistive tracks are far more durable these days, compared
    to decades ago when it was often little more than a graphite pencil rubbed
    on a bit of phenolic board.
    Rare now to see a scratched track, even though they never seem to use
    graphite pips on the wiper, but a metal contact.
     
  5. N_Cook

    N_Cook Guest


    Is pro gear better protected from the effects of having beer etc spilt into
    it?
     
  6. Phil Allison

    Phil Allison Guest

    "Dave Plowman (Fucking NUT Case)
    ** Crap.

    The usual life span of analogue desks is LESS than the typical life of good
    faders and pots.

    The life span of "digital" desks is far less than for analogue - cos they
    become obsolete in only a few years as the technology and hence desirability
    moves forward.

    FUCKWIT


    ...... Phil
     
  7. Phil Allison

    Phil Allison Guest

    "Dave Plowman Criminal Psychotic MORON
    ** But usually is not.


    And have pots switches and relays etc changed more than once before
    replacment.

    ** But usually no such thing ever happens.


    ** You know nothing - you LYING ****.

    ** The **** had never seen is disco mixer in his fucking life.


    ** So does live sound re-enforcement.

    You LYING POMMY ****.

    This doesn't apply in near the same way to broadcast.


    ** The only app you know a single tiny thing about.

    And the VERY SMALLEST of all users of mixing desks

    - by FAR.

    You LYING POMMY ****.



    ...... Phil
     
  8. bob urz

    bob urz Guest

    Considering a Yamaha PM1D was in production for over 10 years does not
    seem like
    a few years to me. It was just recently discontinued. The Yamaha PM5D is
    probably the most universal desk out in the wild now. The best Digital
    desk is debatable.

    I would have to agree on the long term life time after a line is
    discontinued. Where analog desks use many common analog parts, most
    digital desk use mostly proprietary DSP's, gate arrays and such.
    once the original OEM runs out of parts, cannibalization is probably the
    only way to keep them going.

    The musician grade market under 10 is a crap shoot. And now that midas
    is owned by the Chinese, who knows?


    bob
     
  9. Phil Allison

    Phil Allison Guest

    "Arfa Daily Fake TWAT "

    ** See the heading ?????????????????????

    FUCKWIT !!!!


    ** Utter BULLSHIT.

    A pot does the ACTUAL business of attenuating the signal.

    Wot sort of FUCKING IMBECILE are you ???




    ....... Phil
     
  10. Phil Allison

    Phil Allison Guest

    "Arfa Daily Fake TWAT "


    ** Piss off WANKER !!
     
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