TW Audio T20i Manuel utilisateur
T20i
Operation manual
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Operation manual T20i
Introduction
The T20i is a consequential transformation of our users requirements. A compact, 30cm
slim 2× 10“ / 1.4“ top in a symmetric construction, perfectly suitable for use in upright and
crosswise applications.
Thanks to the sophisticated driver arrangement and passive crossover the T20i has a cons-
tant directivity, horizontally as well as vertically. Particularly installations where low ceilings are
an issue and conventional two-way loudspeakers are a mere compromise, the T20i shows
its true potential.
The T20i comes standard with a rotatable 90° × 50° horn. With the optional 60° × 40° horn
thus there are four different dispersion angles possible.
Instructions in this user manual
CAUTION
WARNING
WARNING
Thank you for choosing a high-quality product “MADE IN GERMANY” from the brand
TW AUDiO.
If you lend your product to another party, inform that party of the safety-related operating pro-
cedures and hand over this assembly guide. If you require additional copies of this manual,
you can obtain them free of charge from TW AUDiO or download them from www.twaudio.de
Strictly adhere to the instructions contained in this operating manual that are marked as
follows:
This symbol in combination with the signal word “Warning” identifies a potentially hazardous
situation. Failure to comply with this safety instruction can lead to serious injury or even death.
This symbol in combination with the signal word “Warning” identifies a potentially hazardous
situation for persons with a pacemaker. Failure to comply with this safety instruction can lead
to serious injury or even death.
This symbol in combination with the signal word “Caution” identifies a potentially hazardous
situation. Failure to comply with this safety instruction can lead to light or moderate injury.
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Operation manual T20i
NOTE
TIP
Notes on the products
Read manual
before use!
Before using the device, carefully read the operating manual and keep it with the T20i loudspe-
aker.
General information
Operation manual: OM-T20i
Version 2.0 en, 01/2022
This symbol in combination with the signal word “Note” identifies a potentially hazardous
situation. Failure to comply with this safety instruction can lead to product damage.
This symbol in combination with the signal word “Tip” identifies additional information or
notes that will simplify working with TWAUDiO products on the basis of practical experience.
© by TWAMBO 2022; all rights reserved.
All information contained in this operating manual was correct to the best of our knowledge
at the time of printing.
Quality warranties or assurance of suitability for a certain type of use based on the technical
specifications, dimensions and weights are not granted by TWAMBO.
TWAMBO also shall not assume liability for any secondary damage (property damage and/or
personal injury) nor for the failure to comply with this operating manual!
TWAMBO reserves the right to update this document based on recent developments.
TWAMBO GmbH
Karl-Hofer-Str. 42
14163 Berlin
Germany
Phone : + 49 (0) 71 41-48 89 89 0
Fax: + 49 (0) 71 41-48 89 89 99
WWW: www.twaudio.de
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Operation manual T20i
Content
1. Safety | Intended use...................................................................................................... 5
2. Overview ........................................................................................................................ 7
2.1 Components ........................................................................................................... 7
2.2 Variants ................................................................................................................... 8
3. Technical specifications ................................................................................................ 10
3.1 Data sheet............................................................................................................. 10
3.2 Connection diagram .............................................................................................. 10
4. Commissioning............................................................................................................. 11
4.1 Setup .................................................................................................................... 11
4.2 M10 threaded inserts............................................................................................. 11
4.3 Rotating and changing the HF horn ....................................................................... 12
4.3.1 Rotating the HF horn ........................................................................................ 12
4.3.2 Changing the HF horn ...................................................................................... 13
4.4 Connection options ............................................................................................... 14
4.5 Operation .............................................................................................................. 14
4.6 Connecting the cable............................................................................................. 15
5. Transport and Storage.................................................................................................. 16
6. CE Conformity Declaration............................................................................................ 16
7. Disposal ....................................................................................................................... 17
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Operation manual T20i
1. Safety | Intended use
The T20i loudspeaker was developed for use in professional sound systems. The loudspea-
ker may only be used by trained and qualified personnel.
WARNING
WARNING
WARNING
NOTE
NOTE
Please adhere to the following safety instructions to avoid risks when operating loudspeakers.
Note the operating modes described in this operating manual. Other uses are not permis-
sible.
Damage caused by improper use is not covered by TWAMBO.
Loudspeakers generate an electromagnetic field. Persons with pacemakers are not permit-
ted to remain in the immediate vicinity of loudspeakers as the electromagnetic fields can
cause pacemakers to malfunction.
When working with heavy loads exceeding 20 kg (44 lbs.), use suitable aids (dollies, hoisting
slings, etc.). Multiple persons may be required depending on the situation.
Ensure that the units are in a stable position and are firmly attached. A falling loudspeaker can
result in serious personal injury and property damage.
When using and assembling TW AUDiO loudspeakers, only use materials specified by
TW AUDiO. These tasks must be performed by qualified personnel. Adhere to the applicable
safety regulations.
When setting up loudspeakers, ensure that they are not exposed to the following ambient
conditions:
• Direct sunlight
• Humidity
• Jolting
• Dust
Keep away from the immediate vicinity of loudspeakers that are operated at high sound pres-
sure levels. These loudspeaker systems are capable of endangering your health. Sound levels
beginning as low as approximately 90dBSPL can lead to long-term hearing impairment.
Avoid:
• Feedback
• Distorted signals (clipping) and
• Peaks resulting from switching on devices, plugging in devices or unplugging devices during
operation.
Such signals can lead to loudspeaker overload and ultimately to loudspeaker failure.
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Operation manual T20i
WARNING
NOTE
NOTE
Ensure that the loudspeaker is not exposed to permanent thermal overloads. Thermal over-
loads may cause a fire and result in serious personal injury and property damage.
Note that TWAMBO does not provide a warranty for damage that can be attributed to this type
of overload and therefore cannot be held liable for any secondary damage.
A permanent magnetic field is present in the immediate vicinity of loudspeakers. Ensure that
objects which react sensitively to magnetic fields are not located in the immediate vicinity of
the loudspeaker. In particular, this applies to magnetic storage media, magnetic stripe cards
such as debit cards and CRT displays. A distance of approximately one meter is sufficient to
avoid damage.
Check loudspeakers and accessory parts regularly for visible wear. This is essential to ensure
continuing fault-free operation. Worn parts should be replaced immediately. Spare parts are
available from TWAUDiO.
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Operation manual T20i
2. Overview
2.1 Components
1. Phaseplug
2. 10“ cone driver
3. Rotatable horn with 1,4“ compression driver
4. Front grill
5. 15 mm Multiplex enclosure - Warnex textured paint surface
6. M10 threaded insert for attaching accessories (8 pieces)
7. Type label
8. Standard i-series screw terminal
Figure 2.1 - Overview
1
3
4
56
7
2
8
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Operation manual T20i
2.2 Variants
The T20i loudspeaker is available as standard in a 90° x 50° horn version and optionally in a
60° x 40° horn version. The specified angles of radiation refer to the horizontal and vertical
radiation behavior of the HF horns. For this purpose interchangeable horn funnels are instal-
led. Which horn version is concerned can be checked on the side of the horn cone (see figure
2.2.1).
Figure 2.2.1 - Variants of the T20i HF horns
60°
60°
60°
40°
90°
90°
50°
90°
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Operation manual T20i
Figure 2.2.2 - setup of the T20i HF unit
The modular design of the tweeter unit allows a quick change between the different emission
characteristics. The complete tweeter unit consists of horn funnel (1), horn foot (2), driver
plate and compression driver.
TIP
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Operation manual T20i
red
black
3. Technical specifications
3.1 Data sheet
Drivers 2x 10“ LF / 1x 1,4“ HF
Frequency response 60 - 18000 Hz
Power handling (program/Peak) 1000 / 2000 W
Impedance 8 Ω
Coverage (h x v) 90° x 50° or 60° x 40°
Max. SPL / 1m 138 dB
Dimensions (h x w x d) 600 x 300 x 400 mm [23.6 x 11.8 x 15.7 in]
Weight 24,3 kg [53 lbs]
Surface Warnex textured paint
3.2 Connection diagram
Figure 3.2 - Connection diagram
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