TW Audio C15 User manual
C15 Operating Manual
C15 Operating Manual
Introduction
Thank you for choosing a high quality product "MADE IN GERMANY" from TW AUDiO.
The C15 is a coaxial loudspeaker utilizing a mid/high frequency driver with 3" mem-
brane/voice coil and the large 1.4" horn design ensures perfect dispersion characteris-
tics.
The C15 also incorporates a switchable passive crossover allowing for bi-amp or pas-
sive drive whilst maintaining phase-coherency between all speaker elements eliminating
the need for additional processing. Due to the very low crossover frequency of the mid/
high frequency driver, the C15 loudspeaker sounds even more direct in the vocal range.
The C15 is primarily designed as a floor monitor wedge yet is equally adept as a full-
range loudspeaker as rotatable horn, pole mount, multiple handles flyware/rigging points
and well positioned SpeakOn®sockets are all included on the product.
The C15 loudspeaker is recommended for all applications and offers clarity and control
in a compact format.
If you lend your product to another party, inform that party of the safety-related operating
procedures and hand over this operating manual. If you require additional copies of this
operating manual, they can be obtained free of charge from TW AUDiO or online by
downloading from: www.twaudio.de
Strictly adhere to the instructions contained in this operating manual that are marked as
follows:
Instructions in the operating manual
WARNING
This symbol in combination with the signal word "Warning" identifies a potentially haz-
ardous situation. Failure to comply with this safety instruction can lead to serious injury
or even death.
WARNING
This symbol in combination with the signal word "Warning" identifies a potentially haz-
ardous situation for persons with a pacemaker. Failure to comply with this safety instruc-
tion can lead to serious injury or even death.
CAUTION
This symbol in combination with the signal word "Caution" identifies a potentially hazard-
ous situation. Failure to comply with this safety instruction can lead to light or moderate
injury.
NOTE
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.
TIP
This symbol in combination with the signal word "Tip" identifies additional information or
notes that will simplify working with TW AUDiO products on the basis of practical experi-
ence.
C15 Operating Manual
Operating manual: OM-C15
Version 1.0 en, 09/2016
© by TW AUDiO 2016; all rights reserved.
All information contained in this operating manual was correct to the best of our knowl-
edge at the time of printing.
Quality warranties or assurance of suitability for a certain type of use based on the tech-
nical specifications, dimensions and weights are not granted by TW AUDiO.
TW AUDiO 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.
TW AUDiO reserves the right to make changes that take into account the latest engi-
neering advancements.
TW AUDiO is pleased to receive suggestions for improvement and recommendations on
this operating manual. Please send us any feedback you may have to the following e-
mail address.
TW AUDiO GmbH
Osterholzallee 140-2
71636 Ludwigsburg, Germany
Telephone: +49 71 41 - 48 89 89 0
Fax: +49 71 41 - 48 89 89 99
Notes on the products
Read manual
before use!
Before setting up the device, read the operating manual carefully and keep this docu-
ment in a safe place together with the C15 loudspeaker.
General information
C15 Operating Manual
Content
Safety | Intended use .....................................................................................................1
Overview ........................................................................................................................3
Components ....................................................................................................................... 3
Operation modes ................................................................................................................4
Technical data ................................................................................................................5
Data sheet .......................................................................................................................... 5
Wiring diagram ................................................................................................................... 5
Setting up the loudspeaker ..........................................................................................6
Setup .................................................................................................................................. 6
Rotating the horn ................................................................................................................ 6
Connecting cables ..............................................................................................................7
Operation ............................................................................................................................ 7
Transport and storage ..................................................................................................8
CE Conformity Declaration ...........................................................................................9
Disposal ........................................................................................................................10
1
C15 Operating Manual
1. Safety | Intended use
Please adhere to the following safety instructions to avoid risks when operating the loud-
speakers.
The C15 loudspeaker was developed for use in professional sound systems. The loud-
speaker may only be used by trained and qualified personnel.
Note the operation modes described in this operating manual.
Other uses are not permissible.
TW AUDiO GmbH shall not be held liable for any damage that ensues from unintended
use.
WARNING
Loudspeakers generate an electromagnetic field. Persons with pacemakers are not per-
mitted to remain in the immediate vicinity of loudspeakers as the electromagnetic fields
can cause pacemakers to malfunction.
WARNING
When working with heavy loads over 20 kg [44,09 lbs], use suitable aids (dollies, hoist-
ing slings, etc.). Multiple people may be required depending on the situation.
Ensure that the units are in a stable position and are firmly attached. A falling loud-
speaker 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 appli-
cable safety regulations.
NOTE
When using the loudspeakers, ensure that they are not exposed to the following ambient
conditions:
• Direct sunlight
• Moisture
• Jolting
•Dust
WARNING
Keep away from the immediate vicinity of loudspeakers that are operated at high sound
pressure levels. These loudspeaker systems are capable of endangering your health.
Sound levels beginning as low as approx. 90 dB SPL can lead to long-term hearing im-
pairment.
NOTE
Avoid:
• Feedback
• Distorted signals (clipping)
• Peaks that result when devices are switched on or hot plugged and unplugged.
These signals can lead to loudspeaker overload..
2
C15 Operating Manual
Note that TW AUDiO 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.
WARNING
Ensure that the loudspeaker is not exposed to permanent thermal overloads. This may
cause a fire and result in serious property damage and personal injury.
NOTE
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 data carriers, EC cards
and CRT displays. A distance of approx. one meter is sufficient to avoid damage.
NOTE
Check loudspeakers and accessory parts regularly for visible wear. This is essential to
ensure fault-free operation on a permanent basis. Replace worn parts promptly. Spare
parts can be obtained from TW AUDiO.
3
C15 Operating Manual
2. Overview
Figure 2.1 - Overview
1. Rotating horn with 1.4" driver
2. Baffle
3. Milling for rubber feet for safely stacking loudspeakers
4. Ergonomic carrying handles (left and right)
5. SpeakON®sockets (3 pieces)
6. Top rigging track
7. Side rubber feet (4 pieces)
8. Bottom rigging track with integrated cabinet flange
9. Selector switch for operation mode (biamp/passive)
10. Bottom rubber feet (4 pieces)
11. Rear rigging track
12. Type label
2.1 Components
11
12
4
5
2
7 4 8
6
9
10
3
5
1
4
C15 Operating Manual
2.2 Operation modes
The C15 loudspeaker has a selector switch (in the side
recess of the connection panel) for switching between two
different operation modes
(Pos. 9 “Figure 2.1 - Overview” on page 3).
In the "PASSIVE" mode, the loudspeaker is operated on a
passive crossover with a single amplifier channel.
In "Biamp" mode, the woofer (1×15") and high frequency
path (1×1.4") are operated with separate amplifier chan-
nels. The high pass filter for the high frequency driver and
low pass filter for the low frequency driver remain opera-
tional in the signal path and in circuit even in "Biamp"
mode “Figure 3.2 - Wiring diagram” on page 5.
Figure 2.2
NOTE
Never change the operation mode while the loudspeaker is connected. In addition to set-
ting the switch, the corresponding preset on the amplifier must be changed.
5
C15 Operating Manual
3. Technical data
Figure 3.2 - Wiring diagram
3.1 Data sheet
Operation mode
Biamp Passive
Components 1× 15" LF/1× 1.4" HF
Frequency response 55 - 17000Hz
Power handling, program/
peak
800 / 1600 W LF
320 / 640 W HF 800 / 1600 W
Impedance 8ΩLF
20ΩHF 8Ωpassive
Coverage angles (h × v) In monitor operation, 55° × 70° HF horn, rotating
Max. SPL/1 m 133 dB
Dimensions (h × w × d) 348 × 605 × 525 mm [13,70 × 23,82 × 20,67 in]
Weight 23.8 kg [52,5 lbs]
Finish Warnex texture paint
3.2 Wiring diagram
LF 15" + 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)
6
C15 Operating Manual
4. Setting up the loudspeaker
The C15 loudspeaker is designed for horizontal operation as a monitor as well as stand-
ing, vertical operation. A variety of accessories is available from TW AUDiO to securely
attach the loudspeaker, e.g. on stands or suspended horizontally or vertically from
trusses and motor lifts.
The horn of the C15 loudspeaker is positioned such that the horizontal coverage is 55°
and the vertical coverage is 70°. In some situations, it may be advantageous to switch
the coverage of the high frequency range. The horn of the C15 loudspeaker can be ro-
tated for this. Proceed as follows.
1. Place the C15 loudspeaker with the wedge inclined toward you with the grill facing
up. Ensure that the working surface is clean with a non-slip finish.
2. To remove the front grill of the loudspeaker, use a 3 mm hex key. Remove the four
screws on the top and bottom of the loudspeaker enclosure (two on each side).
3. Release the four screws of the horn using a 5 mm hex key.
4. Pull the horn upward out of the loudspeaker enclosure.
6. Check that the foam between the grill and horn is properly seated.
7. Screw the front grill back on hand-tight.
4.1 Setup
WARNING
Ensure that the loudspeakers are securely attached to prevent personal injury and
property damage.
NOTE
TW AUDiO recommends using only the accessories specified by TW AUDiO to install
and secure the loudspeakers.
4.2 Rotating the horn
NOTE
5. Rotate the horn by 90°. Ensure that you hold onto it firmly at all times. This will pre-
vent damage to the woofer membrane. Screw the horn back on. For this purpose,
use a 6-Nm torque wrench.
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