X4 Tech TubeBooster 3000 Instruction manual
Hi-Fi stereo receiver
with tube preamplifier
Instruction manual
Table of contents
5 Chapter 1 Intended use
5 Explanation of symbols
6 Chapter 2 Safety information
8 Before use
9 Chapter 3 The device
11 Rear panel connections
12 The remote control
17 Chapter 4 Setup
18 Chapter 5 Making connections
18 Connecting analog end devices
19 Connecting devices to digital connections
19 Connecting speakers
21 Chapter 6 General operation
21 Turning on and playing an audio source
22 Playing MP3 les via USB connection
22 Speaker selection
23 Chapter 7 Radio function
24 Chapter 8 RDS function
25 Chapter 9 Troubleshooting
27 Chapter 10 Maintenance and cleaning
29 Chapter 11 Specications
29 Technical data
29 Delivery contents
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Intended use
1
Dear customer,
thank you for deciding on purchasing this quality product from X4-TECH.
This instruction manual will give you a general idea of how this device operates, as well as provide you with information on cleaning and safety procedures. Please take a few minutes to
read and follow all safety and operating instructions found in this manual carefully, in order to
maintain this products condition and ensure safe operation.
Should you have any additional questions or should any suggestions arise, please contact a specialized dealer or our service team for further information.
We look forward to your recommending us to others and hope you enjoy using this tube amplier from X4-TECH.
Your X4-TECH team
All company and product names mentioned in this document are registered trademarks of
their respective owners. All rights reserved.
We assume no liability for damage occurred as a result of improper use or damage resulting
from the failure to comply with the safety instructions found in this manual, improper operation
or handling! Under such circumstances, all claims under warranty will become void. We assume
no liability for consequential damage!
This product is EMV-certied and fulls all European and National guideline requirements. A
declaration of CE conformity has been established for this product. Certication has been documented and entrusted to the manufacturer.
The X4-TECH hi- amplier TubeBooster 3000 with integrated stereo receiver is intended for the
amplication of low-level audio signals in home audio systems, which are intensied and transferred between signal sources and loudspeakers.
› Tube technology ensures excellent sound quality.
› The amplier should only be used with a low-level audio source.
› This product is only authorized for connection to a 230 V~/50 Hz alternating voltage supply and
is intended for indoor use only.
Please adhere to all of the safety information/instructions found in this instruction
manual!
Explanation of symbols
An exclamation mark is intended to inform the user of important information, operation or maintenance instructions or that special attention is required.
This symbol is intended to alert you to the presence of unprotected, live parts or components found within the product’s enclosure or of dangerous connections that upon
contact may be of sucient magnitude to constitute a risk of electric shock. Cables
intended for such connections should only be connected by qualied personnel or you
should only use ready to connect cables. There are no user-serviceable parts found inside the device, therefore the device is never to be opened.
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Chapter 1 Intended use
5
Safety information
2
Dear customer,
the following safety and hazard warnings are not only for the protection of your device, but also
serve as a protection against potential health hazards. Please take time to read the following
instructions carefully.
We assume no liability for personal or property damage resulting from the failure
to comply with the safety instructions, improper operation and handling. Under
such circumstances, all claims under warranty will become void.
› For safety and licensing (CE) reasons any unauthorized modication and/or change
on the device is prohibited and will void the warranty and all warranty claims.
› Any persons operating, installing, setting up, or servicing this device must be trained
and qualied accordingly and observe these operating instructions.
› This is a protection class II device. Make sure that the voltage supply of the power
outlet used meets the required voltage (230 V~/50 Hz).
› Ensure that the device has been set up accordingly by following all instructions
found in the instruction manual.
› Power supply cords should be routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying particular attention to cords
at plugs, convenience receptacles, and the point at which they exit from the device.
Avoid exposing the cable to extreme heat or cold. Never modify/change the cable.
This could otherwise damage the cable and result in the dangerous risk of electric
shock.
› Should any evident damage be seen on the device or on the connection cables, do
not come in contact with or touch these. Switch o the corresponding circuit breaker in the power distribution panel rst, before carefully unplugging the power plug
from the wall outlet. Do not operate this device further! Please contact or take it to a
qualied service technician/specialty workshop.
› Always pull on the plug’s grips and never on the cable to remove from a wall outlet.
› Unplug the device from the power outlet, if it is not in use for a longer period of time.
› For safety reasons, always unplug the device from the power outlet during thunderstorms.
› This device is not suitable for children under 3 years of age.
Small children are unaware of the serious and immediate dangers involved
when exposing themselves to or handling electronic devices. Furthermore,
this product contains small parts that could be swallowed.
› Never leave packaging material lying around unsupervised. For children it could become a hazardous toy and lead to serious injury.
› The device should never come in contact with water or moisture.
› To prevent the risk of re or electric shock make sure that liquids, such as dripping or
splashing water, rain or moisture, do not come in contact with the device.
› Operate this device in a moderate climate and never expose to extreme temperatures, such as high humidity.
› Condensation can build up suddenly, when this device is brought from a colder into
a warmer area (e.g. when transporting). Should this happen, allow the device to warm
up to room temperature rst before using.
› Care should be taken that liquids do not come in contact with the interior; this is why
containers containing liquids, e.g. bucket, vase or plants should never be placed anywhere near or on this device. This can not only damage the device, but also become
a re hazard.
› It is imperative to avoid contact with moisture, e.g. in the bathroom.
› Never touch the power plug with damp or wet hands. There is the risk of electric
shock!
› In order to completely cut o the power supply to the device, unplug the power
plug from the wall outlet. Merely turning the device o with the ON/OFF button is not
sucient enough. Make sure that receptacles are easily accessible.
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› Make sure the device is properly ventilated during operation.
› Never operate it in constricted areas, such as for example in a bookcase or shelf. Make
sure the device is placed on a rm and stable surface. Never block ventilation openings
Chapter 2 Safety informationChapter 2 Safety information
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with papers, magazines, blankets, curtains or similar.
The device
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› Never place any sources of re on top of or near the device (e.g. lighted candle).
› Contact a service technician, if there is any reason to believe that the operation or
safety of the device has been impaired.
› Please adhere to the additional safety information found in the individual chapters
of this instruction manual.
› When connecting other devices, please refer to the safety and operating instructions
found in these respective manuals.
› Should you be in doubt when making connections or should questions arise that
are not explained within this manual, please contact our technical hotline or a service
technician for further information.
Before use
Please read this instruction manual thoroughly before operating this device and retain it for further reference, questions and use. Following and heeding all information found in this instruction manual shall maintain this products condition and ensure safe operation.
This instruction manual contains information on how to operate and maintain this device.
Should a component require maintenance, servicing or repairs, then please consult a qualied
dealer or service technician.
2223 4 5 7 8 10
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(1) Standby ON/OFF
Press to turn the device on/o in a standby mode. The device can only be completely
turned o with the main switch found on the back of the device. Turn the device on by swit ching the main power switch on rst and then the STANDBY button on the front of the device.
(2) Stereo Direct
Press this button to select a stereo direct listening mode. Once selected, adjusting treble
and bass settings on your amplier will have no eect on the sound.
(3) CD or DVD source selection
Press to select the connected CD or DVD source.
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16 17 19
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Front
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(4) AUX1 or AUX2 source selection
Press to select the connected AUX1 or AUX2 source.
(5) ST.LINE IN
Press to select the source connected to the „Stereo IN“ jack on the front panel.
(6) Tape/Phono
Press to select the connected Tape or Phono source.
Note: The PHONO jack is only intended for connecting record players.
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Chapter 3 The deviceChapter 2 Safety information
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