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Martin Audio – Blackline Series
CONTENTS (ENGLISH) Page No
1 INTRODUCTION 2
2 UNPACKING 2
3 BLACKLINE SERIES OVERVIEW 2
3.1 2-Way full-range systems 3
3.2 2-Way mid/high system 3
3.3 3-Way full-range system 4
3.4 Sub-bass systems 4
3.5 Grille removal 5
4 SAFETY FIRST 5
4.1 Tripod mounting 5
4.2 Stacking 5
4.3 Rigging and suspension 5
5 AMPLIFICATION 6
6 CONNECTIONS 7
7 CABLE LENGTHS 8
8 SYSTEM CONFIGURATIONS 8
8.1 Passive systems 8
8.2 Bi-amped systems 9
8.3 Tri-amped systems 11
9 WARRANTY 12
10 TECHNICAL SPECIFICATIONS 12
MARTIN AUDIO
LONDON
The Martin Experience
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1 INTRODUCTION
Thank you for purchasing a Martin Audio Blackline Series system. The
Blackline Series is a range of portable loudspeaker enclosures designed for
a variety of portable sound reinforcement and club applications.
Blackline products covered in this user’s guide include the F12 and F15
full-range systems, the H2 and H3 horn-loaded systems and the S15, S18
and S218 sub-bass enclosures.
For optimum performance, it is recommended that Blackline Series systems
are used with the M3 electronic controller. The M3 provides crossover, EQ
and limiter functions for bi-amped Blackline configurations and may also be
used as an optional equaliser and limiter for the full-range F12 and F15.
Please refer to the M3 user’s guide for further information.
2 UNPACKING
Each Martin Audio Blackline Series loudspeaker is built to the highest
standard and thoroughly inspected before it leaves the factory. After
unpacking the system, examine it carefully for any signs of transit damage
and inform your dealer if any such damage is found. It is suggested that
you retain the original packaging so that the system can be repacked at a
future date if necessary.
Please note that Martin Audio and its distributors cannot accept any
responsibility for damage to any returned product through the use of non-
approved packaging.
3 BLACKLINE SERIES OVERVIEW
The Blackline Series is made up of two compact full-range systems, one
dedicated mid/high pack, one horn-loaded full-range system and three
sub-bass systems.
Martin Audio – Blackline Series
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This equipment conforms to the requirements of the
EMC Directive 89/336/EEC, amended by 92/31/EEC
and 93/68/EEC and the requirements of the Low
Voltage Directive 73/23/EEC, amended by 93/68/EEC.
Standards Applied EMC Emission EN55103-1:1996
Immunity EN55103-2:1996
Electrical Safety EN60065:1993
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3.1 2-way full-range systems
F12
The F12 is a 2-way full-range system with 12"
(300mm) LF driver and 1" (25mm) exit compression
driver mounted on a rotatable 80 x 50 constant
directivity HF horn. It is ideal for applications which
call for compact size, high output and ease of
transportation. With its multi-angle cabinet shape and
rotatable horn, it can be either tripod mounted or used
as a highly efficient floor monitor. To rotate the horn
for horizontal use, remove the grille (see 3.5 ),
unscrew the horn and rotate it through 90 degrees.
The F12 may be used with or without an
M3 controller.
F15
The F15 delivers impressive and dynamic full-
frequency sound from a compact 2-way speaker.
A powerful 15"(380mm)/3"(76mm) coil bass driver is
teamed with a 1.4" (35mm) exit compression driver
mounted on a rotatable 80 x 50 high frequency horn.
The F15 has a versatile multi-angle enclosure
configurable for vertical or horizontal use and a pole
mount socket is provided for tripod mounting. To
rotate the horn for horizontal use, remove the grille
(See 3.5 below), unscrew the horn and rotate it
through 90 degrees. The F15 may be used with or
without an M3 controller.
3.2 2-way mid/high system
H2
The H2 is the essential mid/high pack for dance club
and live music stages. It features an innovative
Hybrid™ 10" (250mm) mid-range horn with a unique
phase-ball loading device. This maintains the 70 x 40
directivity pattern of the mid horn up to 2kHz where a
1" (25mm) exit HF compression driver takes over.
The H2 has a switchable active/passive 2kHz
crossover network to permit either passive or bi-amp
operation. At the lower end of its range, performance
of the mid extends down to 160Hz.
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3.3 3-way full range system
H3
The H3 is a bi-amped three-way one box system.
Fully horn-loaded, its separate low, mid and high horn
sections are optimised for each band. The low
frequency Hybrid™ horn is driven by a 15"(380mm)/
4" (101mm) voice coil driver and reflex loading
extends the LF output to below the natural horn cut-off
point. The 10" (250mm) mid-horn features a phase-
ball loading device and high frequencies are handled
by a 1" (25mm) exit compression driver on a 70 x 40
HF horn. Rear castors are fitted for ease of
transportation.
3.4 Sub-bass systems
S15/S18
The S15 and S18 sub-bass systems can be used with
either the F12 or F15 to extend and increase the total
low frequency output power. The S15 provides
punchy bass from a 15" (380mm) driver whilst the S18
can produce deep bass from its 18" (460mm) drive
unit. Both feature 4" (101mm) high temperature voice
coils and the enclosures have large ports to reduce air
noise. Each sub-bass can operate in passive add-on
mode using its internal switchable passive network or
may be used actively with an M3 controller. Both the
S15 and S18 are fitted with a pole socket to mount an
F12 or F15 above the sub-bass enclosure.
S218
The S218 is designed to be driven actively via the M3
controller. Its two rugged 18"(460mm)/4"(101mm)
voice coil drivers are built to withstand the large
excursions typical of high level sub-bass reproduction.
Large ports ensure optimum enclosure tuning whilst
reducing turbulent air noise. When used with the H2
or H3, the S218 forms the bass foundation of a
powerful Blackline portable club system, equally
suitable for live or dance venues.
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3.5 Grille removal
To remove the grille, first remove any grille retaining screws (F12 none/F15
one at the top/all other cabinets two at the bottom, one at the top). The
grille can then be removed by inserting a flat bladed screwdriver under one
of the notches at the top and bottom of the grille and gently levering the
grille out of the side channels.
4 SAFETY FIRST
It is important that loudspeaker systems are used in a safe manner. Please
take some time to review the following points concerning safe use of
Blackline Series loudspeakers.
Professional loudspeakers are capable of producing extremely high sound
levels and should be used with care. Hearing loss is cumulative and can
result from levels above 90dB if people are exposed for a long period.
Never stand close to loudspeakers driven at high level.
4.1 Tripod mounting
The F12 and F15 incorporates a pole mounting socket to facilitate mounting
on tripod stands. When using stands, the following precautions are
advised:
Ensure that the stand will support the weight of the speaker by checking
the stand manufacturers rating.
Make sure that the stand is placed on a level surface and that its legs are
fully extended.
Do not place more than one speaker on each stand.
Run cables so that they do not present a trip hazard which could pull the
speaker over.
When used outdoors in the wind, it may be necessary to add some weight
to the base of the stand.
When using a pole mount with a sub-bass system, observe similar
precautions.
4.2 Stacking
Ensure that the floor or stage is level and solid.
Do not stack speakers too high outdoors where winds could topple the
stack.
Be aware that speakers producing very high power levels can move or
creep. To avoid this, place friction material between the floor and speaker
and between each speaker.
4.3 Rigging and suspension
WARNING: Suspending the system should only be done by qualified
personnel following safe rigging practices. Secure fixings to the
building structure are vital. Seek help from architects, structural
engineers or other specialists if in any doubt.
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Blackline Series enclosures are designed for portable applications, but can
be suspended singly by means of the threaded inserts provided.
The F12, F15, H2 and H3 enclosures are fitted internally with steel corner
reinforcement brackets to ensure that each cabinet is strong enough to be
hung from its top. Never suspend one enclosure from another to form
an array or cluster using these fittings
The common practice of using commercially available eye bolts for
suspension should only be undertaken with great caution. Eye bolts are
strongest along the thread axis. Angling the enclosure will result in an angle
pull and it is important to use eye bolts that are safe in these
circumstances. Only forged shoulder eye bolts should be considered and it
is important that the thread length is at least 30mm. A flat washer should be
inserted between the eyebolt and the enclosure. Formed eye bolts i.e.
those which are formed from a steel rod bent into an eye should be
avoided.
5 AMPLIFICATION
Blackline Series loudspeakers are designed to be used with professional
power amplifiers capable of producing the following power outputs into 4
ohms:
F12 400-650W
F15 400-800W
H2 MF/ MF + HF 400-650W
HF 100-400W
H3 LF 400-1000W
MF + HF 400-650W
S15 400-1000W
S18 400-1000W
S218 800-2000W
WARNING: Care should be taken to avoid amplifier clipping. It is
important to understand that a low power amplifier driven into clipping is
more likely to damage a loudspeaker than a higher power amplifier used
within its ratings. This is because music signals have a high peak-to-
average "crest" factor. When an amplifier is severely overdriven, its output
waveform is clipped (its peaks are squared off) – reducing the crest factor.
In extreme cases, the waveform can approach that of a square wave. An
amplifier is normally capable of producing far more power under these
conditions than its undistorted rated power output.
The use of very high power amplifiers with outputs greater than those
recommended is discouraged.
Care should be taken to avoid switch-on surges, which can result in
momentary power peaks in excess of specified ratings. When powering up
a sound system it is important to switch on the amplifiers after the mixer
and control electronics have stabilised. When powering down the system,
reverse the sequence and switch off the amplifiers first.
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6 CONNECTIONS
Each connector panel has two Neutrik Speakon connectors wired in parallel
with each other. The second connector allows use of a short link lead to
power another parallel loudspeaker. The connectors are wired as follows:
Martin Audio – Blackline Series
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2 CORE
2 CORE
+1
+1
-1
-1
+ve -ve
+ve -ve
+ve -ve
+1 -1
H2 MF:+1 -1
2 CORE:+1 -1
H3 LF
:+1 -1
4 CORE:+1 -1
HF:+2 -2
MF+HF :+2 -2
+2 -2
F12/F15/S15/S18/H2 PASSIVE
H2 ACTIVE/H3
S218
2+
2+
2+
2-
2-
2-
1-
1-
1-
1+
1+
1+
4 CORE
OR 2x2 CORE
4 CORE
+2
+2
-2
-2
+1
+1
-1
-1
OR
NOTE: Pins +1/+2 and -1/-2 are connected internall
y
to facilitate the use of 4 Core cable to reduce
p
ower loss.
NL4 MPR Connector
NL4MPRConnector
NL4 MPR Connector
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7 CABLE LENGTHS
When connecting Blackline systems to an amplifier, it is recommended that
the return resistance of the cable used is less than one tenth of the nominal
impedance of the system or systems in parallel. The table below gives an
indication of the maximum permissible cable runs for various conductor
cross-sectional areas.
Conductor CSA Maximum Cable Run
4 ohms 8 ohms 16 ohms
1.0mm211m 22m 44m
1.5mm217m 34m 68m
2.0mm222m 44m 88m
2.5mm229m 58m 116m
4.0mm244m 88m 176m
6.0mm266m 132m 264m
8 SYSTEM CONFIGURATIONS
There are many different system combinations possible with the Blackline
Series. Shown below are some typical configurations. The number of full-
range or mid/high systems required to match the efficiency of one sub-bass
system is shown as a recommended cabinet ratio (RCR). Please note that
for simplicity only the left channel is shown and that each line in the
diagram represents a pair of wires.
8.1 Passive systems
F12/F15 Full-range
Because the F12 and F15 are passive systems embodying correct acoustic
design principles, they can be used without a controller provided
recommended amplifier power is not exceeded and care is taken to avoid
amplifier clipping. Use of an optional M3 controller with its system-specific
low frequency EQ and built-in limiters will result in improved bass response
and system protection.
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F12/F15
Optional M3 Controller
M3-F12-F15
Ch2 Out
Left In
Amplifier
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F12/F15 Full-range with add-on S15/S18 sub-bass RCR = 1:1
The F12 or F15 can be used with either the S15 or S18 in passive add-on
mode. This provides a simple way of increasing bass performance without
the need for an additional amplifier. The switch at the back of the sub-bass
enclosure should be switched to "passive" and a link lead run from the sub-
bass to the F12 or F15. This configuration will present a 4 ohm load to the
amplifier. An M3 controller for this passive configuration is optional –just
performing limiting functions without any additional system EQ.
8.2 Bi-amped systems
F12/F15 with S15/S18 sub-bass RCR = 1:1
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S15/S18
F12/F15
Optional M3 Controller
M3-F12-F15SP
Ch2 Out
Left In
Figure12.
Amplifier
S15/S18
F12/F15
M3 Controller
M3-F12-F15
Ch2 Out
Ch1 Out
Left In
Figure13.
Amplifier(s)
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S218
H2
PASSIVE
M3 Controller
M3-H2P
Ch2 Out
Ch1 Out
Left In
Figure15.
Amplifier(s)
F12/F15 with S218 sub-bass RCR = 2:1
H2 passive with S218 sub-bass RCR =1:1
Set the switch on the rear
of the H2 to "passive"
H3 full-range
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S218
F12/F15
M3 Controller
M3-F12-F15S2
Ch2 Out
Ch1 Out
Left In
Figure14.
Amplifier(s)
H3
M3 Controller
M3-H3A
Ch2 Out
Ch1 Out
Left In
Figure16.
Amplifier(s)
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