TA 450 MK-X
TA 600 MK-X
TA 1050 MK-X
TA 1400 MK-X
TA 2400 MK-X
power amplier
user manual
Musikhaus Thomann
Thomann GmbH
Hans-Thomann-Straße 1
96138 Burgebrach
Germany
Telephone: +49 (0) 9546 9223-0
E-mail: info@thomann.de
Internet: www.thomann.de
12.04.2019, ID: 156554, 156555, 156556, 156557, 163846 (V3)
Table of contents
1 General information................................................................................................................................. 4
1.1 Further information........................................................................................................................... 5
1.2 Notational conventions.................................................................................................................... 6
1.3 Symbols and signal words............................................................................................................... 6
2 Safety instructions..................................................................................................................................... 8
3 Features....................................................................................................................................................... 14
4 Installation and starting up................................................................................................................ 15
5 Connections and controls................................................................................................................... 16
6 Technical specications....................................................................................................................... 21
7 Plug and connection assignment.................................................................................................... 37
8 Cleaning....................................................................................................................................................... 41
9 Protecting the environment.............................................................................................................. 42
Table of contents
TA 450 MK-X TA 600 MK-X TA 1050 MK-X TA 1400 MK-X TA 2400 MK-X
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1 General information
This user manual contains important information on the safe operation of the device. Read and
follow all safety notes and all instructions. Save this manual for future reference. Make sure
that it is available to all persons using this device. If you sell the device to another user, be sure
that they also receive this manual.
Our products and user manuals are subject to a process of continuous development. We there‐
fore reserve the right to make changes without notice. Please refer to the latest version of the
user manual which is ready for download under www.thomann.de.
General information
power amplier
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1.1 Further information
On our website (www.thomann.de) you will nd lots of further information and details on the
following points:
Download This manual is also available as PDF le for you to download.
Keyword search
Use the search function in the electronic version to nd the topics of
interest for you quickly.
Online guides
Our online guides provide detailed information on technical basics
and terms.
Personal consultation For personal consultation please contact our technical hotline.
Service
If you have any problems with the device the customer service will
gladly assist you.
General information
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1.2 Notational conventions
This manual uses the following notational conventions:
The letterings for connectors and controls are marked by square brackets and italics.
Examples: [VOLUME] control, [Mono] button.
References to other locations in this manual are identied by an arrow and the specied page
number. In the electronic version of the manual, you can click the cross-reference to jump to
the specied location.
Example: See Ä ‘Cross-references’ on page 6.
1.3 Symbols and signal words
In this section you will nd an overview of the meaning of symbols and signal words that are
used in this manual.
Letterings
Cross-references
General information
power amplier
6
Signal word Meaning
DANGER! This combination of symbol and signal word indicates an
immediate dangerous situation that will result in death or
serious injury if it is not avoided.
CAUTION! This combination of symbol and signal word indicates a pos‐
sible dangerous situation that can result in minor injury if it
is not avoided.
NOTICE! This combination of symbol and signal word indicates a pos‐
sible dangerous situation that can result in material and
environmental damage if it is not avoided.
Warning signs Type of danger
Warning – high-voltage.
Warning – danger zone.
General information
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2 Safety instructions
This device amplies electric audio frequency signals to operate passive speakers. Use the
device only as described in this user manual. Any other use or use under other operating con‐
ditions is considered to be improper and may result in personal injury or property damage. No
liability will be assumed for damages resulting from improper use.
This device may be used only by persons with sucient physical, sensorial, and intellectual
abilities and having corresponding knowledge and experience. Other persons may use this
device only if they are supervised or instructed by a person who is responsible for their safety.
DANGER!
Danger for children
Ensure that plastic bags, packaging, etc. are disposed of properly and are not
within reach of babies and young children. Choking hazard!
Ensure that children do not detach any small parts (e.g. knobs or the like) from
the unit. They could swallow the pieces and choke!
Never let children unattended use electrical devices.
Intended use
Safety
Safety instructions
power amplier
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DANGER!
Electric shock caused by high voltages inside
Within the device there are areas where high voltages may be present. Never
remove any covers.
There are no user-serviceable parts inside.
Do not use the device if covers, protectors or optical components are missing or
damaged.
DANGER!
Electric shock caused by short-circuit
Always use proper ready-made insulated mains cabling (power cord) with a pro‐
tective contact plug. Do not modify the mains cable or the plug. Failure to do so
could result in electric shock/death or re. If in doubt, seek advice from a regis‐
tered electrician.
Safety instructions
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CAUTION!
Possible hearing damage
The device can produce volume levels that may cause temporary or permanent
hearing impairment. Over an extended period of time, even levels that seem to
be uncritical can cause hearing damage.
Decrease the volume level immediately if you experience ringing in your ears or
hearing impairment. If this is not possible, keep a greater distance or use su‐
cient ear protectors.
CAUTION!
Risk of injury due to heavy weight
Due to the heavy weight of the device, at least two persons are required for trans‐
port and installation.
Safety instructions
power amplier
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NOTICE!
Risk of re
Do not block areas of ventilation. Do not install the device near any direct heat
source. Keep the device away from naked ames.
NOTICE!
Operating conditions
This device has been designed for indoor use only. To prevent damage, never
expose the device to any liquid or moisture. Avoid direct sunlight, heavy dirt, and
strong vibrations.
Safety instructions
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NOTICE!
Power supply
Before connecting the device, ensure that the input voltage (AC outlet) matches
the voltage rating of the device and that the AC outlet is protected by a residual
current circuit breaker. Failure to do so could result in damage to the device and
possibly injure the user.
Unplug the device before electrical storms occur and when it is unused for long
periods of time to reduce the risk of electric shock or re.
NOTICE!
Magnetic elds
The device generates strong magnetic elds that can interfere with the function
of poorly shielded devices. The strongest magnetic elds are directly above and
below the power amplier. Therefore, never place sensitive devices such as pre-
ampliers, radio transmission systems, or tape decks directly above or below the
power amplier. When installing the power amplier into a rack, you should place
it in the lowest position, and further equipment such as pre-ampliers in the
highest position.
Safety instructions
power amplier
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NOTICE!
Possible damage due to installation of a wrong fuse
The use of dierent types of fuses can cause serious damage to the unit. Fire
hazard!
Only fuses of the same type may be used.
Safety instructions
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3 Features
n Inputs
– 2 × XLR
– 2 × 1/4" phone socket
n Outputs
– 2 × NL4 connectors (lockable)
– 2 × screw terminal
n Protective circuits
– Audio limiter
– Thermal protection
– Short circuit protection
– DC voltage protection
– Overcurrent protection
– Infrasound protection
n Cooling via integrated two-stage fans
n Suitable for 19" racks (2 RU, mounting depth 44 cm)
Find device-specic features here Ä Chapter 6 ‘Technical specications’ on page 21.
Features
power amplier
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4 Installation and starting up
Unpack and check carefully there is no transportation damage before using the unit. Keep the
equipment packaging. To fully protect the product against vibration, dust and moisture during
transportation or storage use the original packaging or your own packaging material suitable
for transport or storage, respectively.
Create all connections while the device is o. Use the shortest possible high-quality cables for
all connections. Take care when running the cables to prevent tripping hazards.
Installation and starting up
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5 Connections and controls
Front panel
Connections and controls
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1 [POWER]
Main switch to turn the device on and o.
2 [CH-A/B]
Controls for input gain of channels CH-A and CH-B.
3 LED indicators for channels CH-A/B
These LEDs indicate the ready status of the device ([Power]), the input signal level ([Signal]), channel overdrive ([Clip])
and a fault condition ([Fault]).
The [Power] LED is permanently lit during operation. The [Signal] LEDs respond to the
input signal. If one of these LEDs is lit without an input signal being present, discon‐
nect the loudspeakers from the power amplier and turn the input gain control knobs
of channels CH-A and CH-B to their minimum levels. If the LEDs are still permanently
lit, the device must be checked by an authorized technical service centre.
Connections and controls
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Rear panel
Connections and controls
power amplier
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4 Fuse holder
5 [OUT A | OUT B]
Signal outputs, designed as lockable NL4 panel sockets for connecting speakers.
6 [OUT A | OUT B]
Signal outputs, designed as screw terminals (+/–) to connect speakers.
7 [IN A | IN B]
Signal inputs, designed as XLR chassis sockets.
8 [IN A | IN B]
Signal inputs, designed as 1/4" phone sockets.
9 Switch[STEREO | PARALLEL | BRIDGED]
Switch for operating modes ‘STEREO’ (channels operate independently of each other), ‘PARALLEL’ (two channels are
interconnected) and ‘BRIDGED’ (two channels are interconnected to form one channel with double output).
Connections and controls
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10 [Lift | Ground] selector switch
The Ground/Lift switch allows you to interrupt the connection between the device’s protective earth terminal and
signal ground in order to prevent hum loops (Lift/unpressed state: disconnected. ‘Ground’ position / switch pressed:
Earth pin and signal ground are electrically connected).
11 IEC chassis plug for the power supply.
Connections and controls
power amplier
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6 Technical specications
Amplier class H
Input impedance 20 kΩ (balanced)
10 kΩ (unbalanced)
Output power
RMS
8 Ω, stereo 2 × 160 W
RMS
4 Ω, stereo 2 × 250 W
RMS
8 Ω, mono bridged 490 W
Slew rate
40 V/ms
Common mode rejection > 60 dB (1 kHz)
IMD-SMPTE (60 Hz, 7 kHz) < 0.01 % / 160 W
Crosstalk < 60 dB
Frequency response 20 Hz … 20 kHz (+ 0.1 …– 3 dB, 1 W, 8 Ω)
TA 450 MK-X
Technical specications
TA 450 MK-X TA 600 MK-X TA 1050 MK-X TA 1400 MK-X TA 2400 MK-X
21
Signal-to-noise ratio 103 dB
Total harmonic distortion (THD)
4 Ω at 1 kHz
< 0.05 % / 250 W
Damping factor (8 Ω, 1 kHz) 300:1
Sensitivity
0,775 V at rated power (8 W)
Gain 34 dB
Cooling 2 × 2-speed DC fan
Power consumption Load 1/8 nominal power 1/3 nominal power 1/1 nominal power
(2 ×) 8 Ω 213 W / 1,4 A 336 W / 2,1 A 565 W / 3,3 A
(2 ×) 4 Ω 338 W / 2,1 A 540 W / 3,2 A 890 W / 4,9 A
Supply voltage
230 V 50 Hz
Fuse 5 mm × 20 mm, 8 A, 250 V, fast blow
Dimensions (W × H × D) 483 mm × 103 mm × 475 mm
Weight 13.3 kg
Technical specications
power amplier
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Ambient conditions Temperature range 0 °C…40 °C
Relative humidity 50 %, non-condensing
Technical specications
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Amplier class H
Input impedance 20 kΩ (balanced)
10 kΩ (unbalanced)
Output power
RMS
8 Ω, stereo 2 × 220 W
RMS
4 Ω, stereo 2 × 330 W
RMS
8 Ω, mono bridged 640 W
Slew rate
40 V/ms
Common mode rejection > 60 dB (1 kHz)
IMD-SMPTE (60 Hz, 7 kHz) < 0.01 % / 220 W
Crosstalk < 60 dB
Frequency response 20 Hz … 20 kHz (+ 0.1 …– 3 dB, 1 W, 8 Ω)
Signal-to-noise ratio 103 dB
TA 600 MK-X
Technical specications
power amplier
24
Total harmonic distortion (THD)
4 Ω at 1 kHz
< 0.05 % / 330 W
Damping factor (8 Ω, 1 kHz) 300:1
Sensitivity
0,775 V at rated power (8 W)
Gain 34 dB
Cooling 2 × 2-speed DC fan
Power consumption Load 1/8 nominal power 1/3 nominal power 1/1 nominal power
(2 ×) 8 Ω 250 W / 1,6 A 375 W / 2,3 A 650 W / 3,7 A
(2 ×) 4 Ω 405 W / 2,5 A 650 W / 3,7 A 1075 W / 5,8 A
Supply voltage
230 V 50 Hz
Fuse 5 mm × 20 mm, 10 A, 250 V, fast blow
Dimensions (W × H × D) 485 mm × 103 mm × 470 mm
Weight 13.7 kg
Technical specications
TA 450 MK-X TA 600 MK-X TA 1050 MK-X TA 1400 MK-X TA 2400 MK-X
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Ambient conditions Temperature range 0 °C…40 °C
Relative humidity 50 %, non-condensing
Technical specications
power amplier
26
Amplier class H
Input impedance 20 kΩ (balanced)
10 kΩ (unbalanced)
Output power
RMS
8 Ω, stereo 2 × 400 W
RMS
4 Ω, stereo 2 × 620 W
RMS
8 Ω, mono bridged 1200 W
Slew rate
40 V/ms
Common mode rejection > 60 dB (1 kHz)
IMD-SMPTE (60 Hz, 7 kHz) < 0.01 % / 400 W
Crosstalk < 60 dB
Frequency response 20 Hz … 20 kHz (+ 0.1 …– 3 dB, 1 W, 8 Ω)
Signal-to-noise ratio 103 dB
TA 1050 MK-X
Technical specications
TA 450 MK-X TA 600 MK-X TA 1050 MK-X TA 1400 MK-X TA 2400 MK-X
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Total harmonic distortion (THD)
4 Ω at 1 kHz
< 0.05 % / 620 W
Damping factor (8 Ω, 1 kHz) 300:1
Sensitivity
0,775 V at rated power (8 W)
Gain 34 dB
Cooling 2 × 2-speed DC fan
Power consumption Load 1/8 nominal power 1/3 nominal power 1/1 nominal power
(2 ×) 8 Ω 450 W / 2,9 A 690 W / 4,2 A 1190 W / 6,8 A
(2 ×) 4 Ω 735 W / 4,4 A 1150 W / 6,6 A 1980 W / 10,6 A
Supply voltage
230 V 50 Hz
Fuse 5 mm × 20 mm, 15 A, 250 V, fast blow
Dimensions (W × H × D) 483 mm × 103 mm × 475 mm
Weight 16.4 kg
Technical specications
power amplier
28
Ambient conditions Temperature range 0 °C…40 °C
Relative humidity 50 %, non-condensing
Technical specications
TA 450 MK-X TA 600 MK-X TA 1050 MK-X TA 1400 MK-X TA 2400 MK-X
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Amplier class H
Input impedance 20 kΩ (balanced)
10 kΩ (unbalanced)
Output power
RMS
8 Ω, stereo 2 × 570 W
RMS
4 Ω, stereo 2 × 850 W
RMS
8 Ω, mono bridged 1600 W
Slew rate
40 V/ms
Common mode rejection > 60 dB (1 kHz)
IMD-SMPTE (60 Hz, 7 kHz) < 0.01 % / 570 W
Crosstalk < 60 dB
Frequency response 20 Hz … 20 kHz (+ 0.1 …– 3 dB, 1 W, 8 Ω)
Signal-to-noise ratio 103 dB
TA 1400 MK-X
Technical specications
power amplier
30
Total harmonic distortion (THD)
4 Ω at 1 kHz
< 0.05 % / 850 W
Damping factor (8 Ω, 1 kHz) 350:1
Sensitivity
0,775 V at rated power (8 W)
Gain 36.9 dB
Cooling 2 × 2-speed DC fan
Power consumption Load 1/8 nominal power 1/3 nominal power 1/1 nominal power
(2 ×) 8 Ω 380 W / 2,4 A 985 W / 5,8 A 1650 W / 9,3 A
(2 ×) 4 Ω 665 W / 3,9 A 1730 W / 9,9 A 2650 W / 14,0 A
Supply voltage
230 V 50 Hz
Fuse 5 mm × 20 mm, 15 A, 250 V, fast blow
Dimensions (W × H × D) 483 mm × 103 mm × 475 mm
Weight 17.5 kg
Technical specications
TA 450 MK-X TA 600 MK-X TA 1050 MK-X TA 1400 MK-X TA 2400 MK-X
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Ambient conditions Temperature range 0 °C…40 °C
Relative humidity 50 %, non-condensing
Technical specications
power amplier
32
Amplier class H
Input impedance 20 kΩ (balanced)
10 kΩ (unbalanced)
Output power
RMS
8 Ω, stereo 2 × 760 W
RMS
4 Ω, stereo 2 × 1200 W
RMS
8 Ω, mono bridged 2300 W
Slew rate
60 V/ms
Common mode rejection > 60 dB (1 kHz)
IMD-SMPTE (60 Hz, 7 kHz) < 0.01 % / 760 W
Crosstalk < 60 dB
Frequency response 20 Hz … 20 kHz (+ 0.1 …– 3 dB, 1 W, 8 Ω)
Signal-to-noise ratio 103 dB
TA 2400 MK-X
Technical specications
TA 450 MK-X TA 600 MK-X TA 1050 MK-X TA 1400 MK-X TA 2400 MK-X
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Total harmonic distortion (THD)
4 Ω at 1 kHz
< 0.05 % / 1200 W
Damping factor (8 Ω, 1 kHz) 500:1
Sensitivity
0,775 V at rated power (8 W)
Gain 39.2 dB
Cooling 2 × 2-speed DC fan
Power consumption Load 1/8 nominal power 1/3 nominal power 1/1 nominal power
(2 ×) 8 Ω 443 W / 2,8 A 1080 W / 6,6 A 2180 W / 12,2 A
(2 ×) 4 Ω 790 W / 4,8 A 2004 W / 10,3 A 3600 W / 18,9 A
Supply voltage
230 V 50 Hz
Fuse 5 mm × 20 mm, 20 A, 250 V, fast blow
Dimensions (W × H × D) 483 mm × 103 mm × 475 mm
Weight 19.7 kg
Technical specications
power amplier
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Ambient conditions Temperature range 0 °C…40 °C
Relative humidity 50 %, non-condensing
Channels 2
suitable for 19" racks 2 RU
2 Ω stability No
DSP / frequency No
Convection cooling No
Protection circuits (DC voltage protection, overtempera‐
ture protection, short-circuit protection, infrasound pro‐
tection, overcurrent protection)
Yes
Further information
Technical specications
TA 450 MK-X TA 600 MK-X TA 1050 MK-X TA 1400 MK-X TA 2400 MK-X
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Block diagram
Technical specications
power amplier
36
7 Plug and connection assignment
This chapter will help you select the right cables and plugs to connect your valuable equip‐
ment in such a way that a perfect sound experience is ensured.
Please note these advices, because especially in ‘Sound & Light’ caution is indicated: Even if a
plug ts into the socket, an incorrect connection may result in a destroyed power amp, a short
circuit or ‘just’ in poor transmission quality!
Unbalanced transmission is mainly used in semi-professional environment and in hi use.
Instrument cables with two conductors (one core plus shielding) are typical representatives of
the unbalanced transmission. One conductor is ground and shielding while the signal is trans‐
mitted through the core.
Unbalanced transmission is susceptible to electromagnetic interference, especially at low
levels, such as microphone signals and when using long cables.
In a professional environment, therefore, the balanced transmission is preferred, because this
enables an undisturbed transmission of signals over long distances. In addition to the conduc‐
tors ‘Ground’ and ‘Signal’, in a balanced transmission a second core is added. This also transfers
the signal, but phase-shifted by 180°.
Introduction
Balanced and unbalanced trans‐
mission
Plug and connection assignment
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Since the interference aects both cores equally, by subtracting the phase-shifted signals, the
interfering signal is completely neutralized. The result is a pure signal without any noise inter‐
ference.
1 Signal
2 Ground, shielding
1 Signal (in phase, +)
2 Signal (out of phase, –)
3 Ground
1/4" TS phone plug (mono,
unbalanced)
1/4" TRS phone plug (mono, bal‐
anced)
Plug and connection assignment
power amplier
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1 Signal (left)
2 Signal (right)
3 Ground
1 Ground, shielding
2 Signal (in phase, +)
3 Signal (out of phase, –)
4 Shielding on plug housing (option)
1/4" TRS phone plug (stereo,
unbalanced)
XLR plug (balanced)
Plug and connection assignment
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1 Ground, shielding
2 Signal
3 Bridged to pin 1
1, + Signal 1 (in phase)
1, – Signal 1 (out of phase)
2, + Signal 2 (in phase)
2, – Signal 2 (out of phase)
XLR plug (unbalanced)
Speaker Twist chassis connector
Plug and connection assignment
power amplier
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8 Cleaning
The fan grids of the device must be cleaned of any contamination, such as dust, etc. on a reg‐
ular basis. Before cleaning, switch o the device and disconnect mains-operated devices from
the mains. Only use pH-neutral, solvent-free and non-abrasive cleaning agents. Clean the unit
with a slightly damp lint-free cloth.
Fan grids
Cleaning
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9 Protecting the environment
For the transport and protective packaging, environmentally friendly materials have been
chosen that can be supplied to normal recycling.
Ensure that plastic bags, packaging, etc. are properly disposed of.
Do not just dispose of these materials with your normal household waste, but make sure that
they are collected for recycling. Please follow the notes and markings on the packaging.
This product is subject to the European Waste Electrical and Electronic Equipment Directive
(WEEE) in its currently valid version. Do not dispose with your normal household waste.
Dispose of this device through an approved waste disposal rm or through your local waste
facility. When discarding the device, comply with the rules and regulations that apply in your
country. If in doubt, consult your local waste disposal facility.
Disposal of the packaging mate‐
rial
Disposal of your old device
Protecting the environment
power amplier
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Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany · www.thomann.de
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