Page 1
USER MANUAL
STSUB-215
High Power Outdoor Subwoofers
Page 2
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
2
SAFETY REGULATIONS
Please read this manual carefully and in its entirety. It contains important information regarding safety
issues, including guidelines for general safe use of
rigging systems as well as advisories on government regulations and liability laws. The suspension
of large, heavy objects in public places is subject
to numerous laws and regulations at the national/
federal, state/provincial, and local levels. The user
must assume the responsibility for making sure that
the use of any rigging system and its components in
any particular circumstance or venue conform to all
applicable laws and regulations in force at the time.
GENERAL SAFETY RULES
• Carefully read this manual in all its parts
• Respect the working load limits and maximum con-
gurations of the elements and of any third-party
component (such as suspension points, motors,
rigging accessories, etc...)
• Do not incorporate any accessory not provided
by Outline; all damaged or defective components
must be replaced only by equivalent parts ap-
proved by Outline
• Ensure personnel health and safety, ensure that
no one is standing under the system during the
installation, ensure that all personnel involved in
the installation are equipped with personal safety
devices
• Always double check that the elements are cor-
rectly connected before suspending the system.
The rigging elements are easy to use, however the
installation shall be carried out only by qualied personnel that are familiar with the rigging techniques,
safety recommendations and with the instructions
described in this manual.
All mechanical components are subject to wear and
tear over prolonged use as well as corrosive agents,
impacts or inappropriate use. For this reasons users have the responsibility to adopt and adhere to a
schedule of inspections and maintenance. Key components (screws, connecting pins, welded points,
rigging bars) must be inspected before every use.
Outline strongly recommends to carefully inspect
the system components at least once a year, reporting in a written document the date, the name of the
inspector, the points checked and any anomalies
discovered.
DISPOSAL OF WASTE MATERIALS
Your product is designed and manufactured
with high quality material and components,
which can be recycled and reused. When this
crossed-out wheeled bin symbol is attached to a
product, it means the product is covered by the European Directive 2002/96/EC and subsequent amendments. This means that the product must NOT be
disposed with other waste. It is the user’s respon-
sibility to dispose of their electrical and electronic
equipment by handing it over to an approved re-processor. For more information about where you can
send your equipment for recycling, please contact
your local distributor. The correct disposal of your
old product will help prevent potential negative consequences for the environment and human health.
CONFORMITY AND WARRANTY
All the Outline electro-acoustic and electronic devices are in accordance with objects stated by CEE/EU directives.
The CE declaration of conformity and the warranty
are printed on a document that is shipped with the
product.
Page 3
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
3
STSUB-215 DESCRIPTION
SAFETY PRECAUTIONS
The STSUB-215 loudspeaker mounts two bass-re-
ex loaded 15’’ neodymium woofers.
The enclosures are constructed with birch ply n-
ished with ‘outSIDE’, an extraordinarily tough and
waterproof elastoplastic coating which interacts
with the cabinet material to provide extreme levels
of long-term protection. The outSIDE coating is just
one of the fundamental parts of the outSIDE concept,
which is a set of conceptual and implementative operations leading the product to be suitable for exposure to aggressive weather conditions.
STSUB-215 are intended to be used in installations
and must be installed following the local and regional
safety rules. Specic rules must be applied to the rigging structures that have to hold the assembly of one
or more devices and to the cables for the connection
to the amplier. Periodic controls must be performed
at regular time intervals according to local laws, to
the presence of additional safety devices (such as tab
washers against screw loosening) and to the working conditions of the components (exposure to heavy
weather, heavy use, etc..).
An example of tests includes: a transducer test (i.e.
to be performed before and after every use), a visual
test for the rigging safety (i.e. to be performed every
six months), a visual test for the paint and wooden
external parts (i.e. to be performed once a year).
Additional tests must be performed after every unusual event such as incorrect use, very heavy storms,
etc...
The results of the periodic tests must be reported
on a document like the one at the end of this manual.
Page 4
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
4
RIGGING INSTRUCTIONS
RIGGING POINTS POSITION
RIGGING STRUCTURE
Each STSUB-215 speaker requires an external rigging structure to support each single element and
the total weight of the cluster if more than one loudspeaker is used. The rigging hardware must be designed according to the local laws and local safety
factors and considering the total load of the system,
the dynamic factors inducted by vibrations, winds and
mounting procedures. The rigging system shall allow
also safe mounting and dismounting operations and
easy visual control.
Each STSUB-215 offers sixteen M10 threaded female points. Four rigging points are available on
each edge between the bottom, the side and the upper panel of each STSUB-215 cabinet. Two of them
are close to the front panel (as shown in the picture
below) and two are close to the rear panel. Please
refer to the overall dimensions drawings for the exact
position of each point.
Figure 1: Detail of the position of two rigging points on a STSUB-215
The external rigging hardware must provide
support for each loudspeaker. This means that the
loudspeakers are NOT intended to support other
loudspeakers or other weights.
When multiple loudspeakers are used to build
a so-called “line array”, the external rigging must
embrace each loudspeaker and the entire array, as
shown in the picture below.
Page 5
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
5
RIGGING POINTS DETAILS
The rigging points consist of unperforated inserts
designed to hold a M10 bolt while protecting the
speaker from water. The inserts are made of galvanized steel to prevent corrosion and are oiled to offer
further protection. Even with these features it is suggested to protect against water the points that are
not used.
The length of the screw must allow the effective
use of 22 mm of thread and must not exceed the maximum depth of the insert (27 mm), as shown in the
picture below. It is strictly forbidden to use a shorter
screw for safety reasons and to avoid damages to the
loudspeaker.
Figure 2: Rigging points details: each rigging point is made of a special insert that can receive a
M10 bolt and ensure no water penetration inside the loudspeaker.
Figure 3: Correct use (on the left) and incorrect use (on the right) of the rigging points. The bolt
must be long enough to fully engage the internal thread considering also the external hardware
and accessories.
22 mm
27 mm
22 ÷ 27 mm
Steel Bracket
Fixing screws
Steel Threaded Inserts
with internal anti-rotation
Hexagon Nuts
Maximum
screw insertion
Minimum
screw insertion
Cabinet (with paint)
External
Hardware
(example)
External Washer
with locking system
External M10 Bolt
22 mm
27 mm
22 ÷ 27 mm
Steel Bracket
Fixing screws
Steel Threaded Inserts
with internal anti-rotation
Hexagon Nuts
Maximum
screw insertion
Minimum
screw insertion
Cabinet (with paint)
External
Hardware
(example)
External Washer
with locking system
External M10 Bolt
Cabinet
External
Hardware
Cabinet
External
Hardware
Min 22 mm
Max 27 mm
Yes No
< 22 mm
Page 6
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
6
The external hardware must be designed to be
placed as close as possible to the loudspeaker. It
is strictly forbidden to use rigging hardware that is
at any distance from the loudspeaker at the rigging
points. Tightening the screw with hardware that is
not in contact with the enclosure may result in damage to the rigging points or to the cabinet if excessive
torque is applied.
The connection of the external hardware to the
rigging points must be made using proper bolts (the
usual class is 8.8), following the above prescriptions
and applying a controlled torque value with the help
of a torque wrench (dynamometric key).
The tightening torque denes the axial force between the bolt and the insert and depends on the
frictions with the washer and the thread of the insert.
As a result of this, in order to apply the same axial
force, smaller torque is required if the parts are lubricated.
The torque to apply has been dened considering
the resistance of the insert, of the wood and the interaction between the parts. The maximum tighten-
ing torque is 15 Nm for lubricated parts.
Tightening the bolts with higher or not controlled
torque might result in damages and risk for the
safety.
22 mm
27 mm
22 ÷ 27 mm
Steel Bracket
Fixing screws
Steel Threaded Inserts
with internal anti-rotation
Hexagon Nuts
Maximum
screw insertion
Minimum
screw insertion
Cabinet (with paint)
External
Hardware
(example)
External Washer
with locking system
External M10 Bolt
No space between
cabinet and hardware
Space between
cabinet and hardware
Cabinet
External
Hardware
Cabinet
External
Hardware
Min 22 mm
Max 27 mm
Yes No
< 22 mm
Cabinet
External
Hardware
Yes
Cabinet
External
Hardware
No
Figure 4: Correct use (on the left) and incorrect use (on the right) of external hardware.
RIGGING POINTS MAXIMUM TORQUE
Figure 5: Tighten the bolts at MAX 15 Nm using a torque wrench (dynamometric key).
Max torque:
15 Nm
Page 7
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
7
The handles, which make part of the side panels
of the cabinet, have been made for handling STSUB-215 easily during the connection to the external
hardware. Warning! The handles must not be used
neither for rigging, nor for the connection to safety
locking systems.
The STSUB-215 loudspeakers have been designed
to resist to outdoor environment in all weather conditions. This is the result of a technology called “outSIDE” which is a set of conceptual and implementative operations leading the product to be suitable for
exposure to aggressive weather conditions. The outSIDE coating technology is a special procedure which
implements two layers of polyurea paint plus one
layer of UV- resistant nish with calibrated elasticity.
This kind of nish avoids polymerization and yellow-
ing of the polyurea, whereas the calibrated elasticity
helps keeping in time the perfect adherence between
the layers in order to adapt to the dimensional variations of wood caused by “wet-dry” cycles of outdoor
environment. It is to consider that the total thickness
of the layers is of 2 mm (to add to the overall dimensions given in the technical drawings).
The external rigging hardware must be approved
by a licensed professional engineer
USE OF THE HANDLES
RESISTANCE TO WATER
AMPLIFICATION
STSUB-215 uses two 15” woofers and a single amplier channel is required. The wiring to these components is available on a 4-connector barrier strip on
the side of the loudspeaker.
The woofers are connected as shown in the picture
below, in standard operations the links between pins
1 and 4 and between pins 2 and 3 allow the use with a
single amplier channel. It is also possible to remove
the links and use all four connectors, i.e. to use a
double wire connection (useful for long cables to reduce the cables’ resistance) or to drive independently
each woofer.
A proper size amplier and DSP are required to operate the loudspeaker ensuring safe working condition and expansive dynamics.
MODEL
& S.N°
TESTED WEIGHT
1(+) 2(-) 3(-) 4(+)
CONNECT.
SECT.
Pmax
Zmin
220
Made in Italy
CAUTION
TO PREVENT ANY DAMAGE OR INJURY.
READ THE OPERATING MANUAL BEFORE USE.
ALWAYS FOLLOW ALL INSTALLATION INSTRUCTIONS
LF1 LF2
S.N°: KXXTW014
MOD: O1STSUB-215
TESTED
WEIGHT: 50 kg (110.2 lb)
www.outline.it
ST SUB 215
LF1
LF2
1(+)/2(-)
4(+)/3(-)
600
600
6.4
6.4
CONNECT.
SECT.
Pmax
Zmin
LF2
1(+) 2(-) 3(-) 4(+)
LF1
Blue
Black Black
LF 1 LF 2
Red
Figure 6: STSUB-215 wiring as shown on the loudspeaker’s label (in thick black and red are represented the link cables for standard 1-channel mode) and the internal wiring
Page 8
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
8
CABLE SELECTION AND AMPLIFIER CONNECTION
The connection from the amplier to the loudspeakers must ensure proper energy transmission
and small losses. A general rule is that the cable’s
resistance should not be greater than the 10% of the
minimum impedance of the components to be connected. Each Stadia 100 LA, when used in bi-wiring
has a nominal impedance of 4 Ω (LF) and 8 Ω (HF) and
a minimum impedance of 3.2 Ω (LF) and 8.1 Ω (HF).
The resistance of the cable can be found in the catalogues of the cable manufacturers. These usually
report the resistance of the length of one conductor,
so this value shall be multiplied by 2 to consider the
total round trip distance.
The resistance of the cable (round trip) can also be
estimated with the following formula: R = 2 x 0.0172
x l / A. Where ‘R’ is the resistance in ohm, ‘l’ is the
length of the cable in meters and ‘A’ is the section
area of the wire in square millimeters.
The following table reports the resistance in ohm
per kilometer for different wire sections (calculated
with the formula above) and the recommended maximum length of the cable.
Wire area [mm2] AWG
Round trip cable resistance
[Ω/km]
max cable length [m]
(R < = 0.335 Ω)
4 ~11 8.60 39
6 ~9 5.73 58
8 ~8 4.30 78
10 ~7 3.44 97
16 ~5 2.15 156
Page 9
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
9
WEATHERPROOF CABLE PROTECTION
The weatherproof cable protection consists of a
moulded protection cap (1), a neoprene gasket (2) and
a set of screws (3) (see gure below), with the cable
gland already mounted on the cap.
M4 LARGE SERIES FLAT WASHER (3)
M4 SPLIT-LOCK WASHER (3)
M4 SCREW (3)
Gasket (bonded to the cap) (2)
Moulded protection cap (1)
The neoprene gasket serves for the protection of the
cable connections from water and dust ingress, so it
is necessary to check the gasket conditions and integrity before mounting the protection cap.
Please respect the sequence when mounting the
washers: rst the large series at washer (for the
protection of the cap from scratching), and to follow
the split-lock washer in order to prevent the unwanted unscrewing.
Page 10
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
10
APPENDIX - PERIODIC CONTROLS
All the loudspeakers, before the shipment, are fully tested at the end of the production line, but before
the system is installed an overall check shall be performed to ensure that the system has not been dam-
aged during the shipment. Periodic controls shall be
performed at regular time intervals. The following table represents an ideal check list and shall be completed with the external rigging elements.
Loudspeaker Serial Number: Position:
Date
Transducers Impedance
Amplier
Loudspeaker cabinet
Loudspeaker grills
Grills screws
Hardware
Hardware bolts
Main rigging structure
Safety devices
Additional notes
Signature
Page 11
OUTLINE S.R.L.
Via Leonardo da Vinci, 56
25020 Flero (Brescia) Italy
Tel.: +39 030.3581341
Fax +39 030.3580431
info@outline.it
www.outline.it
11
NOTES
Page 12
Outline carries out on-going research for product improvement. New materials, manufacturing methods
and design upgrades are introduced to existing products without prior notice as a routine result of this philosophy. For this reason, any current Outline product may differ is some aspect from its description, but will
always equal or exceed the original design specications unless otherwise stated.
© Outline 2017
Operating manual product code: Z OMSTSUB-215
Release: 171129
Printed in Italy
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