Table of contents Chapter 1 Intended use Explanation of symbols Chapter 2 Safety information Before use Chapter 3 The device Rear panel connections The remote control Chapter 4 Setup Chapter 5 Making connections Connecting analog end devices Connecting devices to digital connections Connecting speakers Chapter 6 General operation...
Intended use Dear customer, The X4-TECH hi-fi amplifier TubeBooster 3000 with integrated stereo receiver is intended for the amplification of low-level audio signals in home audio systems, which are intensified and trans- thank you for deciding on purchasing this quality product from X4-TECH.
Safety information Dear customer, › Always pull on the plug’s grips and never on the cable to remove from a wall outlet. the following safety and hazard warnings are not only for the protection of your device, but also › Unplug the device from the power outlet, if it is not in use for a longer period of time. serve as a protection against potential health hazards.
The device with papers, magazines, blankets, curtains or similar. › Never place any sources of fire on top of or near the device (e.g. lighted candle). Front › Contact a service technician, if there is any reason to believe that the operation or safety of the device has been impaired.
(7) MD source selection (19) Balance control Press to select the source connected to the MD jack. Rotate this dial to adjust the balance. (8) TUNER (20) Bass control Press to switch to a radio mode. Rotate this dial to adjust bass settings. (9) Display (21) Treble control Displays important functions and settings.
(4) Analog audio inputs › Batteries are hazardous waste and do not belong in household waste. TAPE, MD, DVD, CD, AUX1, AUX2, Phono › Always remove batteries when not in use for longer periods of time. (5) Digital inputs 2 x coaxial connections ›...
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(1) MUTE (10) STATION +/– Press this button to activate/deacti- Use these buttons to select a preset station. vate the sound. (11) Pause (II) (2) STANDBY Press to pause playback. Press to switch the device to a stand- by mode. (12) AUTO/MANUAL Press this button to switch between a manual search, radio mode and automatic search.
Setup (23) AUX1/AUX2 The device should be set up on a stable and level surface. Make sure that proper ventilation is Press this button to select the source connected to the AUX1 jack. provided to ensure adequate air circulation and that a minimum distance of 10 cm is maintained Press once again to select the source connected to AUX2.
Making connections Connecting devices to digital connections Ensure that the power cable is unplugged before connecting further components. Components already connected to the device should also be unplugged from the po- wer supply. Make sure connections have been made accurately, this means for example left to left and right MD/DVD-R /CD-R DV DP LAYE R CD PLAYER...
General operation Turning on and playing an audio source › Connect the loudspeakers directly to the amplifier. Never use an earphone adapter or distribu- tion box. In case of doubt, consult a specialist for further information. Check that all connections are secure and have been made properly, before turning the ›...
Radio function Failing to comply with the above sequence could cause damage to the loudspeakers Your tube amplifier X4-TECH TubeBooster is equipped with a radio receiver for FM and AM recep- or the amplifier tion and RDS (Radio Data System) function that can be used to display the current station tuned in to (e.g.
RDS function Troubleshooting › The RDS function can be used during radio operation to display the name of a station tuned to. The device you have just purchased is equipped with state-of-the-art technology and is safe to Please note that a station must support this function in order to display this type of information. operate.
Maintenance and cleaning Playback occurs without bass Carry out a technical safety inspection on a regular basis, e.g. check if the power cable or housing › Connected loudspeaker poles are reversed (+ and – mixed up) may have become damaged. ›...
› Antenna inputs: FM 75 ohm; AM Loop antenna › Dimensions: (W x H x D): 430 x 130 x 340 mm › Weight: 9,6 kg Delivery contents › Receiver TubeBooster 3000 › Power cable › FM/AM antenna › Infrared remote control ›...
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We reserve the right to alter specifications and information contained in this manual without notice. All brands mentioned are property of X4-TECH or of their respective owners. X4-TECH assumes no responsibility or liability for any errors or inaccuracies that may appear in this instruction manual.
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