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L-ACOUSTICS KUDO [21/52] Care and maintenance care and maintenance care and maintenance care and maintenance
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KUDO_UM_ML_2-0
w w w . l - a c o u s t i c s . c o m
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8 CARE AND MAINTENANCE
CARE AND MAINTENANCECARE AND MAINTENANCE
CARE AND MAINTENANCE
8.1 Maintenance information
The L-ACOUSTICS
®
KUDO
®
enclosure is a technical product designed for various, intensive indoor and outdoor
sound reinforcement applications. To fulfill such demanding conditions, L-ACOUSTICS
®
has designed the KUDO
®
with
high-grade and reliable components:
•
Weather-resistant transducers.
•
Baltic birch plywood cabinet.
•
Polyester-coated steel grill covered by a non biodegradable “Airnet” fabric.
•
Oxidation-resistant screws and rigging points.
However, in order to ensure product performance and safety, it is essential to frequently inspect the KUDO
®
cabinet
and its internal components. These checks need to be done on a regular basis depending on the conditions of system
use. The testing procedure consists of three steps as described in section 8.2. If a transducer needs to be repaired or
replaced, apply the corresponding procedure in section 8.3.
8.2 Testing procedure
8.2.1 Check of transducer and enclosure acoustic behavior
Connect a sweep frequency generator to the active input of the LA8 amplified controller. Apply a sweep from 35 Hz to
20 kHz with a maximum voltage of 0.2 volts (-12 dBu, -14 dBV): the sound should remain pure and free of any
unwanted noise. If not, check the mechanical assemblies and, if necessary, contact an L-ACOUSTICS
®
authorized
representative to repair or replace the damaged components (see also section 8.3).
0.2 volts is a maximum value that can generate very high sound levels at given frequencies.
Use ear protection to set the sound level before testing.
Whenever a transducer is reconnected, ALWAYS check its wiring polarity using a phase checking device.
If it is out of phase, invert the cables connected to its electrical sockets. The connecting procedures are
given in section 8.3.
8.2.2 Check of mechanical assembly and rigging parts
Inspect the general aspect of assembly and check that screws are locked tight (on rigging elements, loudspeakers,
diaphragms, grills, rear plate, and top hatch). Check the quality of contact and locking action of the PA-COM
®
sockets.
Also check the integrity of mobile parts (ball locking pins, rotating arms, K-LOUVER
®
) and of rigging elements (no signs
of deformation, fissure, or corrosion). If necessary, contact an L-ACOUSTICS
®
authorized representative to replace the
damaged components.
8.2.3 Check of external aspect
Remove the dust from the front fabric with a vacuum device. If needed, repaint the cabinet.
If paint is applied, protect the mechanical parts.
Do not apply paint to the front grill fabric as it could fill the fabric holes and deteriorate the acoustic
transparency of the material.
!
IMPORTANT
!
WARNING
!
IMPORTANT
Содержание
- Kudo kudo kudo kud 1
- Safety warnings safety warnings safety warnings safety warnings 3
- E e e enclosure nclosure nclosure nclosure 4
- Kudo kudo kudo kud 4
- Multi multi multi multi mmmmode ode ode ode wst wst wst ws 4
- Contents contents contents contents 6
- E e e enclosure nclosure nclosure nclosure 6
- Kudo kudo kudo kud 6
- Multi multi multi multi mmmmode ode ode ode wst wst wst ws 6
- Introduction introduction introduction introduction 7
- E e e enclosure nclosure nclosure nclosure 8
- Kudo kudo kudo kud 8
- Multi multi multi multi mmmmode ode ode ode wst wst wst ws 8
- System system system system 8
- Figure 1 kud 9
- System components part 1 9
- Kudo kudo kudo kud 10
- Enclosure enclosure enclosure enclosure 11
- Kudo kudo kudo kud 11
- Kudo kudo kudo kud 12
- Installation installation installation installation 13
- E e e enclosure nclosure nclosure nclosure 14
- Kudo kudo kudo kud 14
- Multi multi multi multi mmmmode ode ode ode wst wst wst ws 14
- E e e enclosure nclosure nclosure nclosure 16
- Kudo kudo kudo kud 16
- Multi multi multi multi mmmmode ode ode ode wst wst wst ws 16
- Operation operation operation operation 17
- E e e enclosure nclosure nclosure nclosure 18
- Kudo kudo kudo kud 18
- Multi multi multi multi mmmmode ode ode ode wst wst wst ws 18
- E e e enclosure nclosure nclosure nclosure 20
- Kudo kudo kudo kud 20
- Multi multi multi multi mmmmode ode ode ode wst wst wst ws 20
- Care and maintenance care and maintenance care and maintenance care and maintenance 21
- E e e enclosure nclosure nclosure nclosure 22
- Kudo kudo kudo kud 22
- Multi multi multi multi mmmmode ode ode ode wst wst wst ws 22
- Use use use userrrr manual manual manual manual 22
- E e e enclosure nclosure nclosure nclosure 24
- Kudo kudo kudo kud 24
- Multi multi multi multi mmmmode ode ode ode wst wst wst ws 24
- Specifications specifications specifications specifications 24
- Déclarations de sécurité déclarations de sécurité déclarations de sécurité déclarations de sécurité 27
- Eeeenceinte nceinte nceinte nceinte multi multi multi multi mmmmode ode ode ode wst wst wst ws 28
- Kudo kudo kudo kud 28
- Eeeenceinte nceinte nceinte nceinte multi multi multi multi mmmmode ode ode ode wst wst wst ws 30
- Kudo kudo kudo kud 30
- Sommaire sommaire sommaire sommaire 30
- Iiiintroduction ntroduction ntroduction ntroduction 31
- Eeeenceinte nceinte nceinte nceinte multi multi multi multi mmmmode ode ode ode wst wst wst ws 32
- Kudo kudo kudo kud 32
- Système kudo système kudo système kudo système kud 32
- Figure 1 éléments du système kud 33
- Partie 1 33
- Kudo kudo kudo kud 34
- Enceinte kudo enceinte kudo enceinte kudo enceinte kud 35
- Kudo kudo kudo kud 36
- Installation installation installation installation 37
- Eeeenceinte nceinte nceinte nceinte multi multi multi multi mmmmode ode ode ode wst wst wst ws 38
- Kudo kudo kudo kud 38
- Eeeenceinte nceinte nceinte nceinte multi multi multi multi mmmmode ode ode ode wst wst wst ws 40
- Kudo kudo kudo kud 40
- Exploitation exploitation exploitation exploitation 41
- Eeeenceinte nceinte nceinte nceinte multi multi multi multi mmmmode ode ode ode wst wst wst ws 42
- Kudo kudo kudo kud 42
- Eeeenceinte nceinte nceinte nceinte multi multi multi multi mmmmode ode ode ode wst wst wst ws 44
- Kudo kudo kudo kud 44
- Entretien et maintenance entretien et maintenance entretien et maintenance entretien et maintenance 45
- Eeeenceinte nceinte nceinte nceinte multi multi multi multi mmmmode ode ode ode wst wst wst ws 46
- Kudo kudo kudo kud 46
- Manuel d utilisation manuel d utilisation manuel d utilisation manuel d utilisation 46
- Eeeenceinte nceinte nceinte nceinte multi multi multi multi mmmmode ode ode ode wst wst wst ws 48
- Kudo kudo kudo kud 48
- Spécifications techniques spécifications techniques spécifications techniques spécifications techniques 48
- Controleur amplifie controleur amplifie controleur amplifie controleur amplifie 52
- La4 la4 la4 la4 52
- Printed on recycled paper 52
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