Skip Navigation LinksLindQST / Air diffusion calculator
Product category
Product name
Duct connection size
Color
Function
Air volume
qv
Room attenuation
Dr
dB
Description
Usercode

CRU

CRU-4010-7040
  • Product information
  • Results
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MISSING
Theatre diffuser

CRU is a rectangular displacement diffuser for installation under seats in theatres, auditoriums, etc. The diffuser is supplied with a circular connection. The diffuser can be supplied with a fixed resistance adapted to the correct air volume and pressure, specified according to the actual conditions.

  • Circular connection with Lindab Safe.
  • The diffuser can be supplied with a fixed resistance at a specified pressure setting
  • The diffuser is available in other dimensions.
Total pressure loss
Δpt
Pa
Sound power level
LwA
dB(A)
Sound pressure level
LpA
dB(A)
  • Pressure and sound power diagram
    MISSING
    Hz 63 125 250 500 1K 2K 4K 8K
    Coct 5 -4 -2 2 -9 -18 -30 -42
    ΔL - - - - - - - -
Logo CRU

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