Genelec 8381A Operating Manual
Introduction
Congratulations and thank you for choosing
Genelec!
Since 1978, Genelec has been guided
by a single idea – to make exceptional
active monitors that deliver neutral and
accurate sound in every kind of acoustical
environment. In Genelec’s quest for this
ultimate goal, our unrivalled commitment
to research and development has led us
to continuously develop innovative driver
technology, electronic circuitry, enclosure
designs and more. Our design philosophy
is based on sustainability and environmental
values, where industrial design serves the
acoustical performance of our products.
Your Genelec product has been designed
and manufactured with great care in our
factory, in Finland, using environmentally
efficient solutions to give you reliable
operation over many years.
Please take the time to read this manual.
Happy monitoring!
General Description
System Design
The Genelec 8381A Adaptive Point Source
Main Monitor is intended for free-standing
placement and is designed for precise stereo
imaging and neutral sound reproduction
in high sound pressure level applications
in medium to large control rooms. The
maximum SPL of the 8381A enables use
at most control room listening distances at
high linearity, delivering excellent audible
dynamic range. The system can be placed
directly on the oor when an acoustic axis
height equal to the typical seating height in
a studio is needed for natural stereo image
creation (1.2 m) and includes an inclining kit
to optimally aim the acoustic axis towards
the listening position when the monitors is
placed on a pedestal so that the acoustic
axis is located higher. A height extension
block is available as an option.
High Resolution
The system low frequency response extends
down to 20 Hz (-6 dB) and up to 35 kHz (-6
dB) for complete recorded audio content
playback capability and capacity for high
resolution output. The system is time
aligned for equal input-to-output delay at
all frequencies down to 200 Hz, ensuring
perfect transient waveform delity.
Point Source Architecture
The acoustically coaxial operating principle
– with the adaptive woofer technology –
enable precise reproduction integrating also
the very low frequencies in the sound image
excellently to the full audible frequency range
while minimising room-related inuence on
sound, improving the quality of the complete
system sound imaging. In the Adaptive
Point Source Continued Directivity design,
most frequencies of audio appear to come
from the same location and the directivity is
maintained across the frequency range.
Because the acoustic design of 8381A is
a Point Source down to bass frequencies,
the listening distance can be freely selected,
including very short listening distances. The
maximum listening distance is not limited
and is normally set by the maximum SPL
requirement at the listening location, giving
8381A great exibility.
Time-Domain Alignment
In addition to keeping the directivity and
source of audio constant, the 8381A monitor
also very carefully aligns all frequencies in time,
so that the input-to-output latency of 8381A
is constant over a wide range of frequencies,
and this improves the reproduction of the
pressure waveforms and imaging.
All loudspeakers naturally delay audio.
This delay progressively increases towards
low frequencies and when the bandwidth
Warning!
This loudspeaker may cause
traumatic and permanent hearing
damage. Read warnings in the
operating manual before applying
power. Ear protection should be
worn at all times when working in
the vicinity of a powered system.
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