Amate Audio KEY Series User manual
KEY8 / KEY10 / KEY12 / KEY15 / KEY15W / KEY18W
Pol.Ind.Norte-Perpinyà,25
08226 TERRASSA (Barcelona-SPAIN)
All rights reserved www.amateaudio.com
Sept 16
User’s manual / Manual usuario
Amate Audio
KEY Series (Passive). Version 1.2 Sept16
2
ENGLISH
1. INTRODUCTION
1.1. General
Amate Audio would like to thank you for your confidence in our KEY Series. We
suggest you to read the following instructions carefully in order to obtain the best
performance.
1.2. Features and presentation
KEY8
- Two-way Full Range Speaker System
- 8" woofer with kevlar cone and 1.5” voice coil
- 1" titanium diaphragm neodymium tweeter
- Accurate designed crossover to achieve the best performance
- 240W musical program
- Sensitivity: 93 dB (1W/1m)
KEY10
- Two-way Full Range Speaker System
- 10" woofer with 2” voice coil
- 1” kevlar diaphragm driver
- 70º (H) x 40º (V) dispersion horn
- Accurate designed crossover to achieve the best performance
- 300W musical program
- Sensitivity: 95 dB (1W/1m)
KEY12
- Two-way Full Range Speaker System
- 12" woofer with 2” voice coil
- 1” kevlar diaphragm driver
- 70º (H) x 40º (V) dispersion horn
- Accurate designed crossover to achieve the best performance
- 400W musical program
- Sensitivity: 97 dB (1W/1m)
KEY15
- Two-way Full Range Speaker System
- 15" woofer with 2.5” voice coil
- 1” kevlar diaphragm driver
- 70º (H) x 40º (V) dispersion horn
- Accurate designed crossover to achieve the best performance
- 500W musical program
- Sensitivity: 98 dB (1W/1m)
Amate Audio
KEY Series (Passive). Version 1.2 Sept16
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KEY15W
- Low frequency reinforcement unit
- 15" woofer with 3” voice coil
- 600W musical program
- Sensitivity: 95 dB (1W/1m)
- Passive-parallel or bi-amplified use with KEY8/KEY10/KEY12
KEY18W
- Low frequency reinforcement unit
- 18" woofer with 4” voice coil
- 1000W musical program
- Sensitivity: 97 dB (1W/1m)
- Passive-parallel or bi-amplified use with KEY8/KEY10/KEY12/KEY15
2. CONNECTIONS
2.1. Connection description
(1)-SPEAKON: All models use two Speakon
terminals and are duly prepared for a perfect
connection in a parallel system. Terminal pins +1/-
1 must be always used, disregarding the +2/-2
which are not internally connected.
WARNING: It is strongly recommended to use a
two-conductor high quality wire, non-shielded and
two-coloured. We recommend using a minimum
section of 4mm2for each conductor. Avoid long
wire distances as they induce to important power
and quality losses
Fig.1. KEY (passive) connectors
2.2. Configurations
2.2.1. Full Range Stereo
configuration
Connect each output of the
amplifier LEFT/RIGHT to
each cabinet using two
independent wires.
Fig.2. Full range stereo
configuration
Amate Audio
KEY Series (Passive). Version 1.2 Sept16
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2.2.2. Full Range Parallel
configuration
Connect the amplifier's output to
the Speakon’s input of the first
cabinet, always respecting the
polarity positive +1, negative -1.
Then, make a bridge from the first
cabinet to the second one. This
configuration allows you to connect
up to four cabinets to the same
amplifier.
Fig.3. Full range parallel configuration
2.2.3. Passive configuration with Subwoofer
There will be times when you will be
interested in reinforcing your KEY
systems with subwoofer units, in passive
mode. In this case only one amplifier will
be used for the whole system.
Connect one of the outputs of the
amplifier to the subwoofer through a wire.
Then, make a bridge from the slave
Speakon connector of the subwoofer to its
respective mid-high top unit, always
respecting the correct polarity between
both systems. Do the same with the other
channel. It is also correct, if the
installation requires so, to make the
connection in the opposite way, that is,
from the amplifier to the satellite and then
to the subwoofer.
Note: when using this configuration, make
sure to use a LPF (Low pass filter) on the
subwoofer unit (refer to “LPF12
accessory”).
Fig.4. Passive with subwoofer configuration
Amate Audio
KEY Series (Passive). Version 1.2 Sept16
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2.2.4. Bi-Amplified configuration with Subwoofer
A wire with the maximum available
section (4mm2minimum) should
link the low frequencies output
channel of the amplifier to one of
the subwoofers. Two subwoofers
can be also connected by bridge
one to another, as long as the
polarity is strictly respected.
Connect the other output of the
amplifier to the Full Range
cabinets.
Note: when using this
configuration, make sure to use a
LPF (Low pass filter) on the
subwoofer units (refer to “LPF12
accessory”).
Fig.5. Bi-amplified with subwoofer configuration (option 1)
It is also possible to use only one
amplifier for the low
reinforcement units, connecting
each one of the subwoofers to
the two outputs of the amplifier
and consequently, connecting the
Full Range cabinets to a second
amplifier.
Note: when using this
configuration, make sure to use
an external DSP with a low pass
filter for the subwoofer units and
a high pass filter for the full-range
cabinets.
Fig.6. Bi-amplified with subwoofer configuration (option 2)
Amate Audio
KEY Series (Passive). Version 1.2 Sept16
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WARNING!!!!: In order to allow a bridge connection between cabinets, each one of
them has been provided with two Speakon connectors that allow the Input / Output
function indistinctly. Terminal pins +1/-1 must be always used, disregarding the +2/-2
which are not internally connected.
3. MOUNTING AND PLACEMENT
For a proper installation of the acoustic cabinets, it is strongly recommended to read
carefully the following advices.
3.1. Placement
The Full Range cabinets should be located in a high
position (between two or three meters), slightly inclined to
the audience. If the loudspeakers are located too low, the
listeners at the end of the room will not hear a good sound
quality.
Fig.7. Flying placement
It is advisable to locate the subwoofer units on the floor as they can take advantage
of the so-called “floor-effect”, thus increasing the response in the low frequencies.
If possible, place the subwoofers under the same acoustic axis used for the satellites.
If the above option cannot be carried out, then they should be placed in an
intermediate point between the left and right channels.
3.2. Tripod use
The KEY8, KEY10, KEY12 and KEY15
models are equipped with a tripod socket
(A) for use with a standard 35mm tripod.
Do not use the tripod on non-flat floors
and be careful not to raise the cabinet too
high on the tripod, as it may become
unstable.
Fig.8. Full range cabinet with tripod
Amate Audio
KEY Series (Passive). Version 1.2 Sept16
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3.3. Full range cabinet with subwoofer
The KEY15W and KEY18W are
equipped with a M20 Plate (A) for a
35mm distance rod. You can use it
to place over the subwoofer the
models that are equipped with the
tripod socket (KEY8, KEY10,
KEY12 and KEY15). Be careful not
to use this system on non-flat
surfaces as it may become
unstable.
Fig.9. Full range cabinet with subwoofer
3.4. Live applications (mobile)
For a mobile application, whether it is an
outdoor or indoor installation, the common
location is to place the bass units (one or
two per channel) on each side of the stage.
Fig.10. Mobile applications
To obtain a clear and free-distortion
reproduction, it is advisable to place the
mid-high units on top of the low units keeping between them an approximate height of
two meters. If such height cannot be achieved nor maintained, it is advisable to use
the classical tripod for each mid-high cabinet and leave the low units on the floor.
WARNING!!! For installations that suffer from acoustic problems and in which it is
necessary to reinforce the response in the low frequencies, it is advisable to group all
the subwoofers together in the same point. By this way, cancellations will be avoided
and a higher acoustic pressure level will be obtained.
Amate Audio
KEY Series (Passive). Version 1.2 Sept16
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3.5. Stage monitor use
The KEY10, KEY12 and KEY15 models
have trapezoidal shape so, they can be
used as floor monitors without extra
accessories.
Fig.11. Stage monitor use
3.6. Rotatable logo
KEY8, KEY10, KEY12, KEY15, KEY15W and KEY18W model logos can be rotated.
3.7. Flying
Only experienced people should fly speaker cabinets. Extreme care should be taken
to assure the load bearing capabilities of the structures where the cabinets will be
placed. Hanging hardware (as chains, eyebolts, lock pins...) should be regularly
inspected and replaced if in doubt.
WARNING!!! DO NOT SUSPEND THE CABINETS FROM THE HANDLES!!!!
3.7.1. KEY8, KEY10, KEY12 and KEY15 horizontal flying with “U-BL” bracket
The UB-L is an optional accessory for wall mounting (horizontal orientation). Please,
refer to “UB-L user’s manual” to get more information.
Fig.12. UB-L wall-stand
Amate Audio
KEY Series (Passive). Version 1.2 Sept16
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3.7.2. KEY8, KEY10, KEY12 and KEY15 flying with ACR-M8 eyebolts
These models provide
several M8 flying points.
Their correct use will
permit the flying in
horizontal or vertical
position.
Fig.13. KEY8 rigging
points
Fig.14. KEY10 rigging points
Amate Audio
KEY Series (Passive). Version 1.2 Sept16
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Fig.15. KEY12 rigging points
Fig.16. KEY15 rigging points
This manual suits for next models
6
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