Description; Uses; Block Diagram - AMIX AFF15 Manuel Utilisateur

DESCRIPTION

AFF 15 and AFF 20 are acoustic pressure level displays which permit a simple and efficient
visualization of ambiant acoustic pressure levels. It can display 10 minute Leq*, 5 minute Leq*, 1
minute Leq*, 1 second Leq* and peak level (*Leq = A filter Level equivalent). AFF 20 also saves
following acoustic pressure level each minute :10 minute Leq (or 5 minute Leq according to
chosen display), 1 minute Leq and peak level.
AFF series range is made to answer to decree 981143 concerning musical places.
AFF 15 and AFF 20 are certified true to NFS 32122 european norme.

USES

Acoustic pressure display in bars, night clubs, entertainment places (AFF 15)
Recording of acoustic levels record, allowing edition and accurate analysis of acoustic
pressure evolution. (AFF20)

BLOCK DIAGRAM

INPUT
(without phantom power supply)
MICROPHONE INPUT
(with phantom power supply)
Phoenix 6pts
ENGLISH
A weighted
V+
B weighted
V+
LOG / RMS A / N
& Peak Computing
LOG / RMS A / N
12
MAIN DISPLAY
DSP
SECONDARY DISPLAY
Average LAEQ
PEAK DISPLAY
TENDENCY INDICATOR
USB
AMIX - AFF 15/20