7300 Series

Operating Manual

Genelec 7382A
Smart Active Subwoofer

Genelec 7382A Smart Active Subwoofer

Introduction
Thank you for choosing a Genelec product!
Fulfilling our customers' dreams by offering
people the most truthful sound reproduction
possible has been the source of ourenthusiasm since 1978. There´s already overone million Genelec monitors around theworld - welcome to our story!
All Genelec monitors are designed, handassembled and individually tested at ourfactory in Iisalmi, Finland. Our products aredesigned to last for decades and we takecare that our customers receive excellent
support and technical services throughout
the lifetime of the products.
Please register your monitor at http://
www.community.genelec.com/. You will
receive an extended 5 year warranty forspare parts. More information about ourservice and technical support: http://www.
genelec.com/customer-service.

System Description
The Genelec 7382A SAM subwoofer isdesigned for professional use and integrates
easily into environments based on analog ordigital interfacing. The 7382A even introduces
outstanding GLM™ features to the lower
octaves of monitoring systems based onmain speakers from a different vendor.
Multichannel AES/ EBU signals can bemonitored by using the 9301A multichannel
digital audio interface device connected to thesubwoofer.
The 7382A is intended to be calibrated
to the monitoring room acoustics using
the Genelec Loudspeaker Manager (GLM)computer software. The GLM software
runs on Mac OS and Windows computersand enables detailed acoustic calibration
permanently inside the subwoofer. It isis available for download free of charge at
www.genelec.com/glm. Check in from time
to time to take advantage of new features,or consider using the cloud-based version.

also possible to use the GLM software asa monitoring management system for morethan 30 SAM monitors and subwoofers.
In its power save mode, the 7382A
consumes less than 1 W of power. Energy
saving Intelligent Signal Sensing (ISS) can
automatically put the subwoofer into a
power save mode when audio has beenabsent for a selected time. Upon sensing an
input signal, the subwoofer wakes up to fulloperation. The time before entering the ISS
power save mode can be configured using
the GLM software.

Before connecting signal cables, switch thesubwoofer amplifier and monitors off.

Package content

Analog Inputs 1 and 2

Each subwoofer is supplied with anindividually calibrated RAM-SW amplifier
unit. If several 7382A subwoofers are usedin the same system, it is very important
not to mix the subwoofer/amplifier pairs. A
mains cable, a 10 m (33.3 ft) Speakon signal
cable, one 5 m GLM network cable and thisoperating manual are also included.

The 7382A SAM subwoofer accepts
balanced XLR inputs. These are the outputs
typically provided in a console or a monitor
controller. The maximum balanced audio
signal level is +24 dBu.

Operating Environment
This subwoofer is designed for indoor use
only. The permissible ambient temperature
is 15-35 degrees Celsius (50-95°F) andrelative humidity 20 – 80% (noncondensing).
When the product has been stored ortransported in a cool environment and istaken into a warm room, wait about one
hour before opening packing to prevent
condensation of humidity before connecting
to mains power.

Genelec Loudspeaker
Manager™ (GLM™) Software
And GLM User Kit
The GLM software gets the most out of
7382A and tailor-fits it to your room. GLM

A GLM User Kit comprising the necessary
hardware, including the GLM Adapter andmeasuring microphone is needed for building
and operating the GLM network. This kit canbe purchased at certified Genelec dealers.

Connections

LFE InA dedicated XLR input is provided for the
analog LFE signal. The bandwidth for a signal
fed to the LFE input is 120 Hz. The LFE input
sensitivity can be set the same as for themain channels or at +10 dB relative to themain channels. This feature is set in the GLM
software.
IN Digital
One AES/EBU digital audio XLR input isavailable on the 7382A subwoofer. This cantake a stereo digital audio signal.
Multichannel digital audio monitoring ispossible with the 9301A interface device.
The 9301A connects to the digital audio input
in the 7382A subwoofer and expands thenumber of digital audio inputs to four XLR
digital audio inputs. This supports a 7.1 audio
system, including an LFE channel.

GLM CONTROLNETWORKCONNECTORSDIGITAL AES/EBU
IN AND THRUCONNECTORSANALOG LFE
CHANNELINPUT

REMOTE LED
CONNECTOR

1 GND
2 +
3 2 3 1
1 3 2

IN

LFE INTHRU

DIGITAL AES/EBUIN
OUT / THRU

This device complies
with FCC Part 15 andCanadian ICES-003
radio frequency ClassA emission
requirements. Refer
to operating manual
for full information.

RAM-SW AMPLIFIER
MODULEwww.genelec.com
MADE IN FINLANDCONTROL NETWORKLED CONNECTORCONNECT ONLY TO GENELEC NETWORKWARNINGSERIAL NUMBER

ELECTRIC SHOCK HAZARD. DO NOT OPEN. DO NOTSUBJECT TO WATER OR MOISTURE. NO USER SERVICEABLEPARTS INSIDE. REFER SERVICING TO QUALIFIEDPERSONNEL. USE EARTHED MAINS CONNECTION ONLY.

AVERTISSEMENTRISQUE DE CHOC ÉLECTRIQUE. NE PAS OUVRIR. NE PAS
EXPOSER À L'EAU OU L'HUMIDITÉ. AUCUN COMPOSANT À
L'INTÉRIEUR REMPLAÇABLE PAR L'UTILISATEUR. ADRESSER
TOUTE RÉPARATION À UN PERSONNEL QUALIFIÉ. CET
APPAREIL DOIT ÊTRE RACCORDÉ À LA TERRE.

IN 1

OUT 1

IN 2

ANALOGANALOG SIGNAL INPUTSAND OUTPUTS 1 AND 2OUT 2SUBWOOFER
CONNECTORLAITE ON LIITETTÄVÄ SUOJAKOSKETTIMILLA VARUSTETTUUNPISTORASIAAN. APPARATET MÅ TILKOPLES JORDETSTIKKONTAKT. APPARATEN SKALL ANSLUTAS TILL JORDATUTTAG.

NOTE !

THIS AMPLIFIER HAS BEEN CALIBRATED FOR USE WITH THE
LOUDSPEAKER MARKED WITH THE SAME SERIAL NUMBER.
DO NOT MIX THE CALIBRATED AMPLIFIER/LOUDSPEAKERPAIRS ! TURN OFF POWER BEFORE DISCONNECTINGLOUDSPEAKER CONNECTIONS !

SUBWOOFER
CONNECTOR

MAINS INPUT
50 / 60 Hz 1100 W
100 - 120 V~
220 - 230 V~

MAINS
CONNECTOR

Figure 1. Connector panel of the RAM-SW amplifier unit.

Cable Gauge

Max. Length

4 x 2.0 mm2 (14 AWG)

30 m / 100 ft

4 x 2.5 mm2 (13 AWG)

40 m / 130 ft

4 x 3.3 mm2 (12 AWG)

50 m / 165 ft

4 x 4.0 mm2 (11 AWG)

60 m / 200 ft

Table 1. Recommended cable gauges fordifferent lengths of signal cable.
Analog Output 1 and 2
Analog balanced XLR connectors connect
the subwoofer to the monitors.
These analog outputs carry an unfilteredcopy of the inputs. The subwoofer/mainmonitor crossover is adjusted in the GLM
software from 50 Hz to 100 Hz.
See chapter "Bass Management" fordetails.
THRU AES/EBUThe THRU AES/EBU is a bit-to-bit copy ofthe digital audio signal on the IN Digital.
This output can be used for digital sharingof the audio between subwoofers in thecase where multiple subwoofers are used.
This output can also be used for distributing
a stereo digital audio signal to monitors,
creating a 2.1 digital audio stereo monitoring
system.
Subwoofer Connector
This Speakon connector is used forlinking the RAM-SW amplifier unit and the7382A subwoofer enclosure. There is acorresponding connector on the reflex port
end of the enclosure.
A 10 m (33.3 ft) cable is provided with thesubwoofer. See Table 1 for recommended
minimum gauges for different lengths of

RAM-SW

RAM-XLGLM
NETWORKGLM
NETWORKGLM
NETWORKRAM-XLUSB

MICROPHONE

LISTENINGPOSITION

Figure 2. GLM Network cabling. Audio cabling not shown.
cable. Four pole cable is recommended. The
cable connectors are connected pin to pin,with 1+ and 2+ in parallel, same as 1- and 2-.
GLM Management Network
All controls and calibration features includedin the 7382A SAM subwoofer are set using
the Genelec Loudspeaker Manager (GLM)
software. Two GLM Network connectors areprovided on the amplifier for computer control.
These accept CAT5 or higher cable (RJ45
connector). Standard CAT cables can be used.
The GLM management network runs aproprietary protocol. This is not an Ethernet
connection, do not connect to an Ethernet
network.

LED Connector
This connector allows linking a remote statusindicating light if the amplifier unit is placedso that its front panel light can not be seen.
Mains Power Input
The main power connection supports a wide
mains voltage range (100-240 VAC, 50-60
Hz). This enables the RAM-SW amplifier tobe plugged in anywhere globally. When themains power is provided with a generator,
inverter, or certain lower-quality UPS
devices, we recommend filtering power toremove harmonics and ensuring the voltage
supply is stable.

Bass Management
Bass management divides the input audio
signal into low frequency and high frequency
content at the subwoofer crossover frequency.
The signal content below the crossover
frequency is reproduced by the subwoofer.
The signal content above the crossover
frequency is reproduced by the monitors.
In the distributed bass management
method used in the 7382A system, themonitors and the subwoofer receive fullbanwidth audio signal and the filtering isdone separately inside each monitor andsubwoofer. The lowpass and highpass
filters are set in synchrony by the GLM
management network. This method is only
available in systems where GLM computer
management is used and with monitors
supporting this method. The subwoofer
crossover frequency can be adjusted from50 Hz to 100 Hz.
The distributed bass management
supports three different signal cabling
configurations:• All channels are routed through thesubwoofer's IN/OUT connectors to therespective monitors.
• Y-cables split each signal to thesubwoofer's IN connector and themonitor's input.
• Signal sources with dual outputs for eachchannel, one going to the subwoofer, theother going to the monitor.

Use With GLM Control
Network

The 7382A SAM subwoofer is fullycompatible with Genelec Loudspeaker
Manager GLM software, the proprietary
Genelec monitor management network, andall Genelec SAM monitors.
Managing the 7382A SAM subwoofer
using GLM software control unleashes
the full power of room compensation in
the 7382A SAM subwoofer, enabling 20
parametric room compensation filters. Thispowerful room compensation functionality
is only available when the GLM is used.
Detailed information on the use with the
GLM network is presented in the GLM
System Operating Manual.
System Setup
The 7382A SAM subwoofer reaches its fullpotential when set up and calibrated using
the GLM software. Genelec Loudspeaker
Manager GLM and the proprietary Genelec
monitor management network offer• automated acoustic equalizationindividually for every monitor andsubwoofer• automated level alignment• distance (acoustic time-of-flight)
calibration• aligning of the subwoofers for bass
management
for any reproduction system from stereo
to complex 3D immersive setups, including
one or more subwoofers. GLM setup is fast
and accurate. It can precisely address the
typical narrow-band low frequency modal
resonances and radiation loads of a roomand offers precise frequency responsecompensations. The settings can becontrolled with a computer or the settings
can be permanently stored in the monitorsand subwoofers, to make the setup available
at all times even when the computer is not inuse. Genelec recommends setting up SAM
monitoring systems using the GLM. You
can find a detailed description of the setup
process and the use of GLM in the GLM
System Operating Manual.
The setup using GLM is fast and consists ofthe following steps:• Connect a CAT5 (RJ45) cable between
each monitor (and subwoofer) and finallyto the control network input of the GLM
Adapter device (see Figure 1).
• Connect the GLM Adapter device tocomputer USB connector.
• Using a microphone stand, place the
Genelec measurement microphone at thelistening location with the microphone
pointing upwards and the microphone
top at the height of the engineer’s ear.
The microphone is a part of the GLM
User Kit.
• Connect the GLM Adapter device to thecomputer USB port using cable includedin the GLM User Kit.
• Download the GLM software at the
Genelec web site (www.genelec.com).
• Install the GLM software and follow the
instructions in the software to measureand set up your system.
• If you plan to not use a computer forcontrolling the subwoofer, use the GLM
software to write the setting into thesubwoofer (use menu item “Store | Store
the Current Group Settings…”).
With GLM software active and controllingthe 7382A SAM subwoofer, the use of analog

and digital inputs is controlled by the GLM
software entirely. In the software ‘Input Type’in the ‘Group’ definition sets this. The GLM
software allows you to select and switch
between the analog and digital audio inputs.
If GLM control is not used, an AES/EBU
digital audio signal will override analog
signal. This means, if a valid digital audio
clock is detected, the digital audio isselected over the analog audio.
When the GLM acoustic settings havebeen stored in the 7382A SAM subwoofer
and are active, the input is selected by the‘Group’ settings in the GLM software when
the settings are stored.
RAM-SW Power Switch Light
When used without a connection to the GLM
software, the light on the power switch on
the RAM-SW is green, indicating normal
operational mode. A red colour indicatesamplifier clipping and yellow indicatesthermal overload. If the red or yellow warning
light appears, turn down the level.

Additional Information
Positioning the Subwoofer in a RoomThe location of the subwoofer can affectthe frequency response and sound leveldramatically particularly when the room
acoustic effects are strong. Even smallchanges in a subwoofer's location canmake a marked difference in the frequency
response. To begin, place the subwoofer
near the front wall slightly offset fromthe room center line. Often systematic
experimentation is needed to find thelocation giving the flattest frequency
response at the listening location. Usually
the subwoofer is placed close to a wall as
this creates the highest output. Positioning
the subwoofer close to a corner will boost
the bass level at lower frequencies and may
also cause asymmetrical spatial imaging.
Measured from the subwoofer's driver therecommended distance to a wall is less than
0.6 m (24 in). This avoids a loss of audio
level at low frequencies created by the audio
reflecting off the wall and cancelling certain
frequencies radiated by the subwoofer.
Operating Environment
This subwoofer is designed for indoor use
only. The permissible ambient temperature
is 15-35 degrees Celsius (50-95°F)
and relative humidity 20 – 80% (noncondensing). When the product has been
stored or transported in a cool environment
and is taken into a warm room, wait about

HEAVY WOODEN
OR CONCRETE
WALL

ABSORBING
MATERIAL

ABSORBING
MATERIALHEAVYWOODENOR
CONCRETE
WALL

HEAVY
WOODENOR
CONCRETEWALL

VIBRATIONISOLATORS
f ~ 2-8 Hz

VIBRATIONISOLATORS
f ~ 2-8 Hz

Figure 3. Flush mounting the
subwoofer in a non-absorbing wall.

Figure 4. Flush mounting the
subwoofer in a semi-absorbing wall.

VIBRATIONISOLATORS
f ~ 2-8 Hz

Figure 5. Incorrect flush mounting the
subwoofer in a semi-absorbing wall.

5

20 cm (8”)

3Minimum Clearances
Do not cover the amplifier or place it ina closed cabinet. The space must be
ventilated or sufficiently large to dissipate
heat so that the ambient temperature does
not rise above 35 degrees Celsius (95°F).
The reflex port opening on the enclosure
should have a clearance of at least 20 cm(8 in) to ensure functioning of the reflex port.
Flush Mounting
When the subwoofer is flush mounted in awall or cabinet, ensure unrestricted airflow
in the reflex port and amplifier cooling.
Make the recess 20 cm (8 in) wider than the
subwoofer. Place the subwoofer to the rightside of the recess if the driver is facing theroom. This leaves sufficient free space at
the reflex port side. The height and depth of
the recess should not be much bigger thanwhat is needed as this may cause unwanted
acoustic effects.

2

Using Multiple Subwoofers
Multiple Genelec 7382A subwoofers can becoupled together in high SPL applications.
The necessary cabling is different for digital
and analog signals. When subwoofers
are close to each other, the sound level
increases typically by 6 dB for eachdoubling of the number of subwoofers.
When subwoofers are far from each other,
the total increase in the sound level canbe less. It is safe to assume the increaseis 3 dB for each doubling of the number ofsubwoofers. Accurate understanding of theincrease in sound level requires acoustic
measurements.
Digital Cabling
Run a signal cable from the THRU AES/
EBU connector of the first subwoofer in the
chain to the IN Digital connector of the next
subwoofer.
Analog Cabling
When daisy-chaining multiple subwoofers
with analog signals, run cables from the OUT
1 and 2 connectors to the next subwoofer’s
IN 1 and 2 connectors. The LFE channel has

3

4

4

Figure 6. Clearance needed on the reflex port side.

one hour before opening packing to prevent
condensation of humidity before connecting
to mains power.

1

Figure 7. Examples of subwoofer
positioning. 1 and 2 are good starting
positions for a single subwoofer andalso work well with two linked subwoofers. Position 3 causes a significant
bass boost and may cause asymmetricspatial imaging if only one subwoofer
is used. Position 4 also works best with
two subwoofers. Flush mounting (pos.
5) generally works well.

no output connector and can not be daisychained.

Maintenance
There are no user serviceable parts inside thesubwoofer or the amplifier unit. Maintenanceor repair must only be done by Genelec
certified service personnel.

Guarantee
Genelec guarantees the subwoofers for two
years against manufacturing faults or defects
altering performance. You can extend theguarantee to five years by registering the
product at www.genelec.com. Refer to thereseller for full sales and guarantee terms.

136 mm [5 3/8 inch]

558 mm [21 15/16 inch]

625 mm [24 5/8 inch]

1400 mm [55 1/8 inch]

319 mm[12 9/16 inch]

Figure 8. The dimensions of the 7382 enclosureand the location of the reflex port and input
connector

Safety Considerations

Compliance to FCC Rules

The 7382A has been designed in accordancewith international safety standards. To ensure
safe operation, the following warnings andprecautions must be observed:• Servicing and adjustment must only be
performed by Genelec certified service
personnel.
• The subwoofer enclosure must not be
opened.
• Do not use this product with a mains
cable or mains outlet having no protective
earth (potential equalizing) connection as
doing so may result in personal injury.
• To prevent fire or electric shock, do not
expose the product to water or moisture.
• Do not place objects filled with liquid,
such as vases, on the subwoofer or nearit.
• The amplifier is not completely
disconnected from the mains power
unless the mains cable is removed fromthe amplifier or the mains outlet.
• Free flow of air behind and around thesubwoofer is necessary to maintainsufficient cooling. Do not obstruct airflow
around the subwoofer.
• This subwoofer is capable of producing
sound pressure levels in excess of 85 dB,
which may cause a permanent hearing
damage.

This device complies with part 15 of the FCC
Rules. Operation is subject to the following
two conditions:• This device may not cause harmfulinterference, and• This device must accept any interference
received, including interference that may
cause undesired operation.
Note: This equipment has been tested andfound to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide
reasonable protection against harmfulinterference in a residential installation.
This equipment generates, uses and canradiate radio frequency energy and, if not
installed and used in accordance with the
instructions, may cause harmful interference
to radio communications. However, there
is no guarantee that interference will notoccur in a particular installation. If thisequipment does cause harmful interference
to radio or television reception, which canbe determined by turning the equipment
off and on, the user is encouraged to try tocorrect the interference by one or more of
the following measures:• Reorient or relocate the receiving
antenna.
• Increase the separation between theequipment and receiver.
• Connect the equipment into an outlet ona circuit different from that to which thereceiver is connected.
• Consult the dealer or an experienced
radio/TV technician for help.
Modifications not expressly approved by the
manufacturer could void the user’s authority
to operate the equipment under FCC rules.

SPECIFICATIONS
Lower cut-off frequency -6 dB
Upper cut-off frequency -6 dB (main channel/LFE)
Drivers
Harmonic distortion at 1 m on axis in half space, 30 to 85 Hz
2nd
3rd

15 Hz
100 Hz/120 Hz
3 x 381 mm (15 in)≤ 1% @ 105 dB SPL≤ 1.5% @ 105 dB SPL

Maximum short term sine wave SPL output averaged from 30 to 85 Hz,
measured in half space at 1 meter≥ 129 dB SPL

Maximum peak SPL output with random pink noise, measured inhalf space at 1 meter (Long term SPL output is limited by driver unit
protection circuitry)≥ 133 dB SPL

Self generated noise at 1 m on axis (A-weighted)<5 dBA

Dimensions H x W x D
Subwoofer enclosure
RAM-SW amplifier unit

625 x 1400 x 558 mm (245/8 x 551/8 x 2115/16 in)
3U 132 x 483 (front plate), 425 (casing) x 286 mm
3U 53/16 x19 (front plate), 161/4 (casing) x 111/4 in

WeightSubwoofer enclosure
RAM-SW amplifier unit

145 kg (320 lb)
11.3 kg (25 lb)

AMPLIFIER SECTION
Short term amplifier output power(Long term output power is limited by driver unit protection circuitry)

2500 W

Amplifier system THD at nominal output<0.01%

Mains voltage
Power consumption
Standby, ISS active
Idle
Full output, peak

100-240 VAC 50/60 Hz
<1 W
22 W
1500 W

SIGNAL PROCESSING SECTION
Signal connectors

Analog signal input connectos XLR female, balanced 10 kOhm
Maximum analog input signal
Analog input sensitivity (100 dB SPL at 1 m)
Digital signal input connector XLR female 110 Ohm
Digital signal output / Thru connector XLR male 110 Ohm
Digital audio input
Word length
Sample rate
Digital input sensitivity (100 dB SPL at 1 m)
Positive input gain selection (GLM control)
Control network
Type
Connection
GLMTM software frequency response adjustment parametric notch filters
System calibration
Crossover setting in subwoofer's input/output channels

2 channel analog IN/OUT
Analog LFE IN
Digital IN/OUT
pin 1 gnd, pin 2 non-inverting, pin 3 inverting+24.0 dBu
-6 dBuAES/EBU Single Wire
AES/EBU Single Wire
16 - 24 bits
32 - 192 kHz-30 dBFS+6, +12, +18 dB
Proprietary GLM network
2 RJ45, CAT5 cables
20
Genelec GLM AutoCal™, GLM manual
GLM control, input low pass selectable 50 - 100 Hz,
output no filtering

LFE cutoff

120 HzMidband rejection >400 Hz≥ 50 dB

Phase matching control

15° steps with GLM control

7382A Operating Manual

www.genelec.com

Genelec Document D0147R001. Copyright Genelec Oy 6.2018. All data subject to change without prior noticeInternational enquiries:

In the U.S. please contact:

In China please contact:

In Sweden please contact

Genelec, Olvitie 5

Genelec, Inc., 7 Tech Circle

Beijing Genelec Audio Co, Ltd

Genelec Sverige

FIN-74100, Iisalmi, Finland

Natick, MA 01760, USA

Room 101, 1st Floor Building 71 B33

Ellipsvägen 10A

Phone +358 17 83881

Phone +1 508 652 0900

Universal Business Park141 75 Kungens Kurva

Fax +358 17 812 267

Fax +1 508 652 0909

No.10 Jiuxianqiao Road,Chaoyang District,SwedenEmail genelec@genelec.com

Email genelec.usa@genelec.com

Beijing 100015, China

Phone +46 8 449 5220

Phone +86 (10) 5823 2014, Post code 100015

Email info@genelec.com

Email genelec.china@genelec.com