thomann the t.racks DSP 4x4 Mini Amp User manual

DSP 4x4 Mini
Controller
User Manual

Thomann GmbH
Hans-Thomann-Straße 1
96138 Burgebrach
Germany
Telephone: [phone]
Internet: www.thomann.de
04.12.2023, ID: 448459 (V3)

Table of contents
1 General information................................................................................................................................. 5
1.1 Symbols and signal words............................................................................................................... 5
2 Safety instructions..................................................................................................................................... 7
3 Features.......................................................................................................................................................... 9
4 Installation and starting up................................................................................................................ 10
5 Connections and controls................................................................................................................... 11
6 Operating on the computer............................................................................................................... 12
7 Technical specications....................................................................................................................... 28
8 Plug and connection assignment.................................................................................................... 31
9 Protecting the environment.............................................................................................................. 33
Table of contents
DSP 4x4 Mini 3
Controller

4DSP 4x4 Mini
Controller

1 General information
This document contains important instructions for the safe operation of the product. Read and
follow the safety instructions and all other instructions. Keep the document for future refer‐
ence. Make sure that it is available to all those using the product. If you sell the product to
another user, be sure that they also receive this document.
Our products and documentation are subject to a process of continuous development. They
are therefore subject to change. Please refer to the latest version of the documentation, which
is ready for download under www.thomann.de.
1.1 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 document.
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.
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.
General information
DSP 4x4 Mini 5
Controller

Warning signs Type of danger
Warning – high-voltage.
Warning – danger zone.
General information
6DSP 4x4 Mini
Controller

2 Safety instructions
This device is intended to be used for amplication, mixing and playback of signals from
musical instruments and microphones. Use the device only as described in this user manual.
Any other use or use under other operating conditions 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 sucient 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.
Safety
DANGER!
Risk of injury and choking hazard for children!
Children can suocate on packaging material and small parts. Children can injure themselves when handling the device. Never allow
children to play with the packaging material and the device. Always store packaging material out of the reach of babies and small
children. Always dispose of packaging material properly when it is not in use. Never allow children to use the device without supervi‐
sion. Keep small parts away from children and make sure that the device does not shed any small parts (such knobs) that children
could play with.
DANGER!
Danger to life due to electric current!
A short circuit could lead to a re hazard and risk of death. Always use proper ready-made insulated triple-core mains cable with a
safety plug. Do not modify the mains cable or the plug. In case of isolation damage, disconnect immediately the power supply and
arrange repair. If in doubt, seek advice from a qualied electrician.
Intended use
Safety instructions
DSP 4x4 Mini 7
Controller

DANGER!
Danger to life due to electric current!
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 when covers, safety equipment or optical components are missing or damaged.
NOTICE!
Damage to the device if operated in unsuitable ambient conditions!
The device can be damaged if it is operated in unsuitable ambient conditions. Only operate the device indoors within the ambient
conditions specied in the “Technical specications” chapter of this user manual. Avoid operating it in environments with direct sun‐
light, heavy dirt and strong vibrations. Avoid operating it in environments with strong temperature uctuations. If temperature uc‐
tuations cannot be avoided (for example after transport in low outside temperatures), do not switch on the device immediately.
Never subject the device to liquids or moisture. Never move the device to another location while it is in operation. In environments
with increased dirt levels (for example due to dust, smoke, nicotine or mist): Have the device cleaned by qualied specialists at reg‐
ular intervals to prevent damage due to overheating and other malfunctions.
Safety instructions
8DSP 4x4 Mini
Controller

3 Features
nUltra compact 4-Channel DSP
nInputs: 4 × 1/4" phone socket (balanced)
nOutputs: 4 × 1/4" phone socket (balanced)
nUSB connection for control via PC using the supplied software
nComprehensive setting options for optimal sound
– Parametric Equalizer
– Graphic Equalizer
– High- and low-pass lters
– Noise Gate
– Limiter
– Phase inversion
Features
DSP 4x4 Mini 9
Controller

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.
The schematic in the gure shows how the device can be controlled via the USB port of a PC.
CH 1
1
CH 2
2
CH 3
3
CH 4
4
SIGNAL
INPUT
DSP 4x4 Mini
USB
Conguration example
Installation and starting up
10 DSP 4x4 Mini
Controller

5 Connections and controls
CH 1
1
CH 2
2
CH 3
3
CH 4
4
SIGNAL
INPUT
DSP 4x4 Mini
USB
CH 1 CH 2 CH 3 CH 4
OUTPUT
# '% &$
Front
1 LEDs [1], [2], [3], [4] | The LED lights up when a signal is present at the respective input.
2 Inputs [CH 1] … [CH 4], designed as 6.35-mm jack socket (mono, balanced).
3[USB] | USB interface
Back
4 Connection socket for the power adapter for power supply
5 Indicator LED. The LED lights up when the unit is connected to the power supply.
6 Outputs [CH 1] … [CH 4], designed as 6.35-mm jack sockets (mono, balanced).
Connections and controls
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Controller

6 Operating on the computer
1. Insert the software CD into the disk drive of your Windows PC and start the installation
programme that matches the device version.
2. Follow the instructions of the installation programme to completion.
3. Connect your PC to the device via a USB cable and turn on the device.
ðThe operating system detects the newly added USB device.
4. Open the PC programme. It automatically detects the connected device.
ðIn the upper right corner of the programme window the marking ‘Online’ appears.
1. Click on the ‘Online’ button in the programme window.
2. Close the programme window.
Install and start the software.
Exit software
Operating on the computer
12 DSP 4x4 Mini
Controller

All tabs of the programme window have a similar structure and are divided into the following
areas:
'
$
&
%
ö
#
1 Tab for selecting a function group
2 Main menu
3 Button for the status of the connection to the PC
Components of the programme
window
Operating on the computer
DSP 4x4 Mini 13
Controller

4 Display area
5 Control area
6 Buttons for quick access to important presets
Menu item Meaning
‘File’ Loading user presets and saving them on the PC
‘Link’ Assignment of input to output channels
‘Copy’ Copying parameter settings from one input or output channel to another
‘Lock’ Changing device password
‘Test Tone’ Setting the internal test tone generator: Pink noise, white noise, sine wave 20 Hz…20 kHz
‘Language’ Language selection for the user interface of the programme (English or German)
‘About’ Information about the programme version
Main menu
Operating on the computer
14 DSP 4x4 Mini
Controller

Range Meaning
‘Address’ Display of the marking of the device
‘Preset’ Display of the current user's preset
‘Store’ Saving user preset
‘Recall’ Recalling user preset
Buttons for quick access to
important presets
Operating on the computer
DSP 4x4 Mini 15
Controller

‘Gain’ tab
Operating on the computer
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Controller

Range Meaning
Display area The waveform of input and output channels is graphically displayed. Use the radio buttons ‘Inx’ and
‘Outx’ to determine the inputs and outputs to be displayed.
Control area Drag the faders with the mouse to adjust the levels for the input and output channels. The ‘Mute’
button mutes or unmutes the respective channel. The ‘Normal’ /‘Inverse’ button inverts the phase of the
respective channel by 180° when needed.
Operating on the computer
DSP 4x4 Mini 17
Controller

‘Gate’ tab
Operating on the computer
18 DSP 4x4 Mini
Controller

Range Meaning
Display area Shows the current settings of the noise gate for the respective channel, with a symbolic level indicator
symbol appearing next to it for the input channels. The red dot represents the threshold level at which
the noise gate opens.
Control area Drag the faders with the mouse to set the noise gate parameters for all input and output channels:
Threshold, hold, attack, release
Operating on the computer
DSP 4x4 Mini 19
Controller

‘Comp’ tab
Operating on the computer
20 DSP 4x4 Mini
Controller