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How many dimmers, Chino?

Discussion in 'Question of the Day' started by derekleffew, Mar 13, 2015.

  1. STEVETERRY

    STEVETERRY Well-Known Member

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    The blue box does indeed have 6 dimmers, with two female 20A 2P&G receptacles per dimmer. This unit is a "Luxtrol" made by Superior Electric. A similar unit was manufactured by Altman, using Luxtrol dimmers. However, that unit had the outlet panel on the back, had a seventh handle as a master, and used shorter plastic "knob" handles rather than the multi-colored tubular plastic handlles supplied by Superior. The capacity of the dimmers cannot be determined since we can't read the breaker ratings. They could be either 2500W or 3600w each. Wait, you say--how could a 3600W (30A) dimmer be connected to a 20A outlet without a supplementary overcurrent protective device? Hah, what's 10A between friends? In those days (1960-1972, approx) we clearly didn't worry much about such trivialities.

    ST
     
  2. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    Like this?
    [​IMG]

    I thought those handles were exclusive to Ward-Leonard (Our wiki entry for dimmer, autotransformer notwithstanding). Every W-L ATD installation I've ever seen has had them. The T-handle made it especially easy to determine whether or not a particular channel was assigned to the Grandmaster or was shielded (to use modern terminology).

    As @Scenemaster60 stated, they are dimmer, autotransformer, not dimmer, resistance.
     
    Last edited: Mar 25, 2015
  3. JohnD

    JohnD Well-Known Member Fight Leukemia

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    OK, nostalgia time, Alvin Ailey toured with 4 similar units, yep 24 dimmers for some very impressive lighting. They toured with a board op/truck driver and LD. The board op manned two of the units and two of us each ran a single one. They had a distro which was based on a bull switch, but instead of the usual lever, they had one with a giant rocker switch. For the one essential black out the board op shifted his leg back and stomped on the rocker. Holy arc flash potential.
     
  4. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    Was his name Steve Terry? ;)
     
  5. STEVETERRY

    STEVETERRY Well-Known Member

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    I was with Dance Theatre of Harlem, not Alvin Ailey.

    ST
     
  6. STEVETERRY

    STEVETERRY Well-Known Member

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    Could be, but they were coupled to Luxtrol D3600 dimmers in the Altman unit.

    ST
     
  7. rbalewski

    rbalewski Member

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    A community theater I used to work at always borrowed one of those monsters from a local college every show to augment their piano board system (yes, with real resistance dimmer plates!!). The thing weighs a ton and every show we had to haul iit up to our lighting bridge about 10 feet above the stage.
     
  8. venuetech

    venuetech Well-Known Member

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    Chino? ?
    Is related how?
     
  9. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    Several people have hinted at it.
    Anita, West Side Story.
     
  10. SteveB

    SteveB Well-Known Member

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    West Side Story probably.
     
  11. Kevin1844

    Kevin1844 Member

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    "How many dimmers, Chino... And still have one for me?"

    -Anita the ME
     
    barrigan and derekleffew like this.

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