ICEPower line level input

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jonpb

Member
2019-01-31 4:37 am
  • #1
    I'm a novice, so forgive me if this a nonsense question. I am planning on doing two projects with ICEPower amps, one consumer line level (-10 dBv) and one pro audio line level (+4 dBu).


    ICEpower 200ASC for an active studio monitor, will be run be a mixer at +4 dBu


    ICEpower 50ASX2SE for a wifi active speaker, will be run by a wifi board at -10 dBv


    I have looked at the datasheets for these products, they specify the impedance and balanced or unbalanced but not the line level expected, why is this? Does anyone have this spec?
     
    D

    Douglas Blake

    Account Closed
    2019-11-14 10:07 am
    Niagara Region Ontario
  • #2
    jonpb said:
    I'm a novice, so forgive me if this a nonsense question. I am planning on doing two projects with ICEPower amps, one consumer line level (-10 dBv) and one pro audio line level (+4 dBu).

    ICEpower 200ASC for an active studio monitor, will be run be a mixer at +4 dBu

    ICEpower 50ASX2SE for a wifi active speaker, will be run by a wifi board at -10 dBv

    I have looked at the datasheets for these products, they specify the impedance and balanced or unbalanced but not the line level expected, why is this? Does anyone have this spec?
    Click to expand...

    Taking the 200asc as an example, they do specify the gain so we can back-calculate based on output power....
    They specify 100 watts at 8 ohms.
    They specify 26.db of gain.

    Thus the output voltage would be ... SQRT(P X I) == SQRT(800) == 28.2 volts.

    So, being lazy tonight, we visit my favorite DB to Voltage calculator dump in 26db and we get... a voltage gain of 19.9 which is close enough to 20.

    So ... 28 volts out / 20 == 1.4 volts in which is Pro Line Level.

    I would suspect this is true across their line, since these modules were initially designed for public address and sound reinforcement, not consumer products.
     
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