TW Audio C12 User manual

Operation manual C12

Operation manual C12
2
Introduction
The C12 loudspeaker is a wedge loudspeaker in a low-profile enclosure. It therefore blends
perfectly into any environment. Inconspicuous. Elegant. Harmonious.
The coaxial loudspeaker use has a mid-high driver with 3“membrane/voice coil. The large
1.4“ mid-high horn ensures perfect dispersion characteristics in the mid-high tone range.
The passive crossover in the C12 loudspeaker sums up low and mid-range tones especially
accurately and phase-coherently. Thanks to the truly low takeover frequency of the mid-high
driver, the C12 loudspeaker sounds even more direct in the important voice range. And this
with standard amplifiers without additional corrections or expensive controllers.
The C12 loudspeaker is recommended for all applications where the concern is compact
size.
Instructions in this user manual
NOTE
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.
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.

Operation manual C12
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TIP
Notes on the products
Read manual
before use!
Before using the device, carefully read the operating manual and keep it with the C12 loudspe-
aker.
General information
Operation manual: OM-C12
Version 2.0 en, 01/2022
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
E-Mail: [email protected]
WWW: www.twaudio.de

Operation manual C12
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Content
1. Safety | Intended use...................................................................................................... 5
2. Overview ........................................................................................................................ 7
2.1 Components ........................................................................................................... 7
2.2 Operating modes..................................................................................................... 8
3. Technical specifications .................................................................................................. 9
3.1 Data sheet............................................................................................................... 9
3.2 Connection diagram ................................................................................................ 9
4. Commissioning............................................................................................................. 10
4.1 Setup .................................................................................................................... 10
4.2 Rotating the HF horn ............................................................................................. 11
4.3 Operation .............................................................................................................. 12
4.4 Connecting the cable............................................................................................. 12
5. Transport and Storage.................................................................................................. 13
6. CE Conformity Declaration............................................................................................ 14
7. Disposal ....................................................................................................................... 15

Operation manual C12
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1. Safety | Intended use
The C12 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.

Operation manual C12
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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.

Operation manual C12
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2. Overview
2.1 Components
1. Rotating horn with 1.4“ compression driver
2. Acoustic baffle
3. Cutout for feet for safely stacking loudspeakers
4. Ergonomic carrying handles (left and right)
5. SpeakON® connectors (3 pieces)
6. Top rigging track
7. Side rubber feet (4 pieces)
8. Bottom rigging track with integrated cabinet flange
9. Selection switch for operating mode (biamp / passive)
10. Bottom rubber feet (4 pieces)
11. Rear rigging track
12. Type label
Figure 2.1 - Overview
2
3
1
5
6
4
7
8
59
4
10
11
12

Operation manual C12
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2.2 Operating modes
The C12 loudspeaker has a selection switch for switching between two different operating
modes in the side cut-out of the connector panel (Pos. 9 - Figure 2.1).
Figure 2.3 - selector switch
NOTE
Never change the operating mode while the loudspeaker is connected. In addition to setting
the switch, the corresponding preset on the amplifier must be changed.
Operating with an incorrect preset can damage parts of the loudspeaker.
In the „PASSIVE“ mode, the loudspeaker is operated on a passive audio crossover with a
single amplifier channel.
In „Biamp“ mode, the woofer (1×12“) and high frequency path (1×1.4“) are operated with
separate amplifier channels. The high pass filter for the high frequency driver and low pass
filter for the low frequency driver remain operational in the signal path and in circuit even in
„Biamp“ mode (Figure 3.2 on page 9.)

Operation manual C12
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3. Technical specifications
3.1 Data sheet
Operating mode
Biamp Passive
Drivers 1x 12“ LF / 1x 1,4“ HF
Frequency response 62 - 17000 Hz
Power handling (program/Peak) 700 / 1400 W LF
280 / 560 W HF 700 / 1400 W
Impedance 8 Ω LF
20 Ω HF 8 Ω passive
Coverage angles (h x v) In wedge operation 55° x 70° HF horn, rotating
Max. SPL / 1m 132 dB
Dimensions (h x w x d) 348 x 445 x 525 mm [13,70 x 17,52x 20,67 in]
Weight 19,6 kg [43.2 lbs]
Surface Warnex textured paint
3.2 Connection diagram
Figure 3.2 - Connection diagram
LF 12" + HF 1,4"
PASSIVE
X-OVER
PIN 1+
PIN 1-
PIN 2+
PIN 2-
8 OHM
parallel
BIAMP / PASSIVE
PIN 1+
PIN 1-
PIN 2+
PIN 2-
1,1 kHz
PIN 1+
PIN 1-
PIN 2+
PIN 2-
parallel
HP
TP
(PASSIVE is ON)

Operation manual C12
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4.1 Setup
The C12 loudspeaker is designed for horizontal operation as a monitor as well as standing,
vertical operation. TWAUDiO provides a wide range of accessories to securely attach the
loudspeaker.
NOTE
WARNING
4. Commissioning
WARNING
Make sure that all system structures are located on a firm, level surface and that the surface
can bear the total weight!
TW AUDiO recommends using only the accessories specified by TWAUDiO for securing and
mounting loudspeakers.
Make sure the speakers are securely fastened to prevent personal injury and property damage.