La-12 plus A
La-12 plus A
1
INDEX
SAFETY PRECAUTIONS
2
WARRANTY
3
DECLARATION OF CONFORMITY
4,5,6
DESCRIPTION
La-plus series
La-12 plus A y La-12 plus P description
Amplifier description
La-12 plus A Presets
Technical Specifications
Accessories for La-12 plus
7,8
9
10
11
12,13
14
SAFETY RECOMMENDATIONS
15
APPLICATIONS:
Option 1
Option 2
16
17
DIMMENSIONS La-12 plus A & La-12 plus P
18
BRACKETS
Flying adapter
U-Bracket
19,20
21
1
Safety Precautions
•
Please read this entire manual carefully and retain it for future reference.
•
Adhere to the
instructions.
•
Do not disconnect the grounding of this unit, as it is dangerous and illegal.
Class 1 equipment.
•
This sign alerts the user to the presence of dangerous voltage without
insulation. To reduce the risks of electric shock do not remove the cover.
•
Only use accessories specified by Vieta or sold with the speaker.
•
Only qualified personnel are certified to suspend/mount/rig this equipment,
using accessories specified by the manufacturer. Do not hang the speaker
box by the handles.
•
Never remain close to loudspeakers emitting a high volume. Professional
loudspeaker systems are capable of generating very high sound pressure
levels harmful to human health.
•
When transporting and installing speakers, ensure that they are not near
objects and equipment sensitive to magnetic fields.
•
Do not install the system near any heat source such as radiators, stoves or
other heating appliances.
•
Disconnect the speakers during lightning storms or when unused for long
periods of time.
•
Do not expose the speaker to rain nor install it in damp or wet areas.
•
Do not allow liquids or foreign objects to enter into the speaker. Do not
place liquid-filled objects near or upon the unit.
•
Clean only with a dry cloth. Do not use solvents for cleaning purposes.
•
The interior of this equipment contains no user serviceable parts.
•
Regularly check the speaker boxes and accessories for visible signs of wear
or damage, and replace as necessary.
•
The external wiring connected to the equipment should be installed by
qualified personnel. The pre-made flexible wiring should be used.
•
The maintenance and repair service must only be performed by qualified and
authorised personnel.
•
This symbol indicates that this product shall not be treated as household
waste. Instead it shall be handed over to the applicable collection point for
the recycling of electrical and electronic equipment.
•
Vieta accepts no responsibility for accidents arising from any use of the
appliance not in accordance with these instructions.
manufacturer's
instructions
2
and
the
relevant
safety
WARRANTY
VIETA Warranty covers a period of one year from the date of receipt of this
equipment, to cover all repairs made by the Technical Service.
WARRANTY EXCLUSIONS:
The following are not covered by warranty, and therefore the total repair cost will
be the responsibility of the user:
a) Any damage due to negligence and/or misuse of the equipment caused
by the customer.
b) Any damage originating from acts of God, force majeure (atmospheric or
geological phenomena) and accidents.
c) Any faults or damage due to improper installation.
d) The regular maintenance of the product.
e) Other charges such as freight and insurance are at the cost of the purchaser in
all cases.
VOID WARRANTY:
This warranty becomes null and void if the device has been tampered with,
modified or repaired by unauthorised personnel.
VERY IMPORTANT: FOR THIS WARRANTY TO BE CONSIDERED VALID, IT IS
ESSENTIAL THAT THE USER PRESENT PROOF OF THE DATE OF PURCHASE BY
SUPPLYING THE OFFICIAL RECEIPT FOR THE EQUIPMENT.
Note: For any further information regarding this warranty or in case of malfunction
of your equipment, contact SeeSound SL.
sat@seesound.es
SeeSound s.l.
C/Vico, 30 08021 Barcelona (Spain)
3
DECLARATION OF EC CONFORMITY
SeeSound, S.L.
C/Vico, 30 - 08021 Barcelona (Spain)
Declara que la serie La-12 plus:
Declares that La-12 plus series:
Cumple con los objetivos de las siguientes directivas:
Abide essential objectives relating directives:
o
o
o
o
Directiva de baja tension (Low Voltage Directive)
Directiva de compatibilidad Electromagnética (EMC)
Directica RoHS
Directiva RAEE (WEEE)
Origen Producto:
Product Origin:
País de origen del producto:
Country of origin of the product:
España
Spain
País de origen de los componentes:
Country of origin for components of the product:
CEE
EEC
Cumple con los objetivos de las siguientes directivas:
Abide by essential objectives relating Directives:
1.
Low Voltage Directive 2006/95/CE
2.
Electromagnetic Compatibility Directive 2004/108/CE
Cumple las normativas Europeas:
Complies with Harmonized European Norms:
(EN 60065:2002 – EN 55103-1:996 – EN 55103-2:1996)
4
2006/95/CE
2004/108/CE
2002/95/CE
2002/96/CE
5
6
Description
La-plus series
This series consists of self-powered models: La-8 plus A, La-12 plus A and La-115S
plus A and the passive models: La-8 plus P, La-12 plus P and La-115S plus P. The
two versions share the same Dual-Driver technology for better phase coherence, as
well as Carbon-Fiber membrane speakers. These technologies are not incorporated
into the La-115S plus A and P subwoofers.
The self-powered version combines the benefits of internal amplification, digital
signal processing (DSP), Dual-Driver Technology and carbon-fibre membrane. The
entire system has been designed for maximum performance, with a frequency
response which is linear and constant, combined with a great capacity for power
and dynamic range.
A major concern while developing this series has been the use of reliable elements
throughout the system. Therefore, we have sought out the dependable components
of the highest quality, even though this requires a greater investment in
development and manufacture.
Dual-Driver Technology in the La-Plus series.
The Dual-Driver speaker presents a smooth, less problematic transition between
the high pass and the low pass, than that presented by the conventional two-way
system. This fact is related to the phase differences between the compression
driver and speaker: in a two-way system, the distance between the two units
causes a phase difference to exist between the high and low frequencies, as we
move upwards or downwards away from the central axis. In the transition region
between the HF and LF, where the responses from the two passes overlap, these
phase differences produce distorted interferences, whose magnitude depends on
the relative point of listening as regards to the speakers.
A Dual-Driver speaker consists of two speakers mounted on the same axis. The
tweeter unit is mounted at the back of the woofer unit core and is coupled to a
small diffuser that is positioned in the woofer cone.
In a Dual-Driver speaker the frequency response of the loudspeaker is symmetrical
around its axis. This means that the frequency response observed in a given angle
will be symmetrical to the angle in the opposite direction.
The most important advantage of the Dual-Driver is that the crossover transition is
undetectable.
Figure that shows the Dual-Driver system radiation.
7
Why use a Carbon-Fiber membrane?
We have used the Carbon Fiber membrane in the La-8 series plus and LA-12 plus
because it is more rigid than other materials, it is extremely clean during the whole
production process and it provides outstanding clarity to the low and medium-low
frequencies.
In addition, the Carbon Fiber is light weight and has a high degree of absorption,
and in the case of considerably thick diaphragms, it provides a very good selfabsorption.
Speakers with this type of membrane have an excellent piston movement,
providing a superb low and medium low frequency response.
Advantages of a Carbon-Fiber loudspeaker:
-
It
It
It
It
provides a more transparent sound.
gives a better image and depth than any other material.
has high efficiency and high peak levels.
has very low intermodulation distortion.
What would be the ideal diaphragm for a speaker?
The ideal speaker diaphragm would have to be an absolutely rigid surface, so
that the forward and back movement would be completely 'piston-like' in the
reproduction frequency range. This means that the cone surface would not bend at
all when it moved. But on the other hand, at complete odds with the above, it
would also have to be an infinitely lightweight surface.
For a surface to be absolutely rigid and yet infinitely lightweight is impossible. A
rigid material means that the surface ripples less in the frequencies we are
interested in, however the more rigid it is the more it will move in higher
frequencies, and these movements may be much more pronounced. It is therefore
also important that the diaphragm material be self-absorbent, i.e., capable of
mitigating the energy that resonates on its surface.
The impossibility of obtaining these three elements at the same time, are the
reason that no cone or diaphragm is perfect, even though some speakers seem to
come closer to the ideal speaker than others do. Carbon-Fiber is the material that
currently comes closest to this ideal loudspeaker concept.
8
La-12 plus A
A two-way, 1000W self-powered acoustic chamber. 12" woofer with Carbon-fiber
membrane, 1.4" tweeter with a diffuser in front of the woofer membrane. Biamplified system, LF/ 500W, 4 ohm 12" speaker, HF/ 190W 16 ohm. Internal DSP
processor with 4 presets selectable from a switch.
Highly accurate frequency response, combined with an accurate restoration of the
sound image, as well as a SPL high output. La-12 plus A is ideal for high
performance, PA systems with or without subwoofers, stage monitors, theaters,
audiovisual applications and fixed installations.
In conjunction with the La-115S plus A subwoofer, the acoustic chamber La-12 plus
A is a very good option for small format PA applications.
La-12 plus P
A passive acoustic chamber, with the same format and measurements as the selfpowered model. It is extremely easy to change from one version to another. A
replacement of the self-powered model for the passive filter model is all that is
needed, as the two models have the same measurements.
The speaker's faston connectors are connected to the Low output of the passive
model and the tweeters faston connectors to the Hi output.
9
AMPLIFIER DESCRIPTION
La-12 plus A Amplifier
1) AC INPUT:
AC 195V – 250 V 50Hz – 60 Hz 1,6 A
Speakon connector mod. NAC3MPA-1
2) AC LINK:
Speakon connector mod. NAC3MPB-1
3) INPUT:
XLR3 Input connector
1 = Ground
2 = + Signal
3 = - Signal
4) SIGNAL LINK:
Output signal XLR3 connector provides a
link for the input signal to link several units
with the same audio signal.
5) GAIN:
Gain level potentiometer.
6) LIMIT:
Red LED indicates amp limiting.
7) TEMPERATURE:
Red LED indicates amplifier has reached the
maximum temperature. The system will
stop working until the temperature
decreases.
8) SIGNAL:
Green LED indicates signal presence.
9) READY:
Green LED Indicates unit is on and working properly.
Voltage selection and fuse: La-12 plus A
10
La-12 Plus A PRESETS
Front : Applications FOH (no subs)
NEAR FIELD: This preset slightly attenuates the mid-range frequencies for a more
natural listening experience when listener is in a close position to the speakers.
MONITOR: For stage monitor applications. The Frequency response is corrected to
avoid the excess of bass due to the placement of the speaker on the floor.
11
X’OVER: This preset is to use the La-12 Plus A together with a subwoofer.
TECHNICAL SPECIFICATIONS
La-12 plus A
Frequency response:
Frequency Range:
Directivity (-6 dB) symmetrical:
Maximum SPL:
65 Hz – 20 KHz (Front preset)
45 Hz – 22 KHz
60º (Conical)
123dB continous, 129dB peak
Components:
Vieta Dual-Driver Speaker,
LF
1 x Carbon fiber 12” speaker. 4” coil (100 mm)
HF
1 x 1,5” compression driver (polyester). 2,87” coil (72,2 mm)
Neodymium magnet
Electrical Specifications:
Input Impedance:
Maximum input signal:
Gain:
Output Power:
10K Balanced
+ 15 dB
32dB
1 x 500W (4 ohms LF)
1 x 250W (8 ohms HF)
Power supply:
220 V: 195 V – 250 V
110 V: 95 V- 125 V
Frequency: 50-60Hz
Power cons. at 1/8th max: 220 V – 1,6 Arms, 110 V – 3,2 Arms
Mechanical Specifications:
Dimensions:
Monitor angle:
Weight:
Wood:
Connectors:
Rigging System:
Grille:
Finish:
High 550mm, Width 369mm, Deep 383 mm
45º
20Kg.
15mm Ply Birch
2 x XLR, 1 Speakon NAC3MPA, 1 Speakon NAC3MPB
Horizontal Yoke bracket, Flying adaptor, top-hat 35 mm
1,5mm Steel painted in black epoxy
Black color, MMA-COATING paint
12
TECHNICAL SPECIFICATIONS
La-12 plus P
Frequency Response:
Frequency Range:
Directivity (-6 dB) symmetrical:
Sensitivity:
Maximum SPL:
Impedance:
Power handling RMS/Prog./Peak
55 – 20 KHz (Preset)
48 – 20 KHz
60º (Conical)
SPL 98 dB (1W @ 1m)
125 dB continuous, 131 dB peak
6Ω
300 W/ 600/ 1000 W
Components:
Vieta Dual-Driver Speaker,
LF
Carbon fiber 12” speaker. 4” coil (100 mm)
HF
1,5” compression driver (polyester). 2,87” coil (72,2 mm)
Neodymium magnet
Filter: Passive third order
Important: Use an external crossover with HPF @ 45 Hz, 24 dB/oct. Butt.
Mechanical Specifications:
Dimensions:
Monitor Angle:
Weight:
Wood:
Connectors:
Rigging System:
Grille:
Finish:
High 550mm, Width 369mm, Deep 383 mm
45º
20Kg.
15mm Ply Birch
2 x XLR3, 1 Speakon NAC3MPA, 1 Speakon NAC3MPB
Horizontal Yoke bracket, Flying adaptor, top-hat 35 mm
1,5mm Steel painted in black epoxy
Black color, MMA-COATING paint
La-12 plus P Frequency Response
13
Accessories for the La-12 plus A and La-12 plus P
Wall Bracket
Horizontal U-Bracket
Flying adaptor
Rigging Examples
Horizontal U-Bracket
Horizontal U-Bracket in
Vertical configuration
Pole mount on tripod
La-115S + La-12
With a M20 telescopic mount
14
Flying adaptor
Safety Recommendations
●
●
●
●
●
●
●
●
●
Always ensure that the structure to be used to suspend, mount or rig the
speaker has been designed to support a weight greater than the entire
speaker system. VIETA cannot be held responsible for damage or injury
caused by the lack of stability of the supporting structures or by improper
installation.
The installation personnel must be certified in mounting speakers and
rigging techniques, as well as knowing the applicable local safety
regulations.
Before installation, always inspect all parts for possible defects. If any part is
faulty and does not meet the minimum quality requirements, do not use that
part. National regulations may exist that require, in the event of an accident,
the presentation of inspection and corrective action documents, carried out
after the defect was recorded.
During installation, use the appropriate personal protective equipment such
as a helmet, safety shoes, gloves, etc.
In many cases, setting up speakers requires working at elevated heights.
Ensure that all staff have appropriate training and are adequately equipped
to work in high places, also provide the necessary access equipment
(scaffolding, mobile working platforms, harnesses, safety net, etc.).
Read all the instructions included with the speakers as well as with the
mounting installation parts. If you do not understand all of these
instructions, ask for help.
Be sure to prohibit all persons from passing below the installation area,
during the mounting process. The work area should be cordoned off to avoid
public access until the installation works are completed, and the system is
tested.
Never leave the system during the installation process.
As of the publication date of this manual there is no international standard
regarding mounting/rigging/hanging an acoustic chamber. Therefore the
manufacturing industry accepts, in a standardized manner, to implement the
5:1 safety factor for chambers and static parts. For those parts subject to
fatigue due to friction and movement, the following safety factors must be
followed; 5:1 for steel wire rope slings, 4:1 for steel chain slings and 7:1
polyester slings. When a system is mounted/rigged/suspended, the
workload must be less than the resistance of each individual point of
anchorage, as well as each chamber.
15
Applications
USE WITH A SUBWOOFER
Option 1
Basic configuration including two La-12 plus A o La-12 plus P and one La-115S plus
A or La-115S plus P Sub. This combination is suitable for small applications
(presentations, AV, etc.)
.
Presets in both systems for this configuration
La-12 plus A
La-115S plus A
Frequency Response
Frequency Range 40Hz – 20Khz
16
Option 2
Basic configurations including two La-12 plus A or La-12 plus P and two
La-115S plus A or La-115S plus P Subs. This configuration delivers more sound
pressure in the frequency range corresponding to the subs.
Presets in both systems for this configuration
La-12 plus A
La-115S plus A
Frequency Response
Frequency Range 40Hz – 20Khz
17
Dimmensions
18
Brackets
Flying adapter
Please check that all parts for assembly are inside the box before installing
the syste
Mounting instructions
The rigging adapter is mounted on the top part of the box, as shown in
Fig. 2.
Fig. 1
Fig. 2
Remove the screws according to Fig. 1 and mount the adapter plate as
shown in Fig. 2.
19
Hole
1
2
3
4
5
6
7
8
9
Angle
+2
0
-4
-8
-12
-16
-20
-24
-28
Fig.3
20
U-Bracket
Check the correct quantity and condition of the items.
Mounting instructions
1.- Remove the top-hat screws located at
the bottom of the box.
2.- Remove the plastic cap from the top of
the box.
3.- Place the U-bracket onto the box and
screw into the available top-hat screw holes
located at the bottom.
4.- Screw the M10 handle to the top of the
box, and when the it is positioned correctly,
tighten the handle and the screws
according to fig. 3, to secure the box into
position.
21
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertising