Kruger Matz KM0570 Tube Amplifier Owner’s Manual

Kruger Matz KM0570 Tube Amplifier

Specifications

• Product: Tube amplifier KM0570

• Languages: DE, EN, NL, PL, RO

• Features: VU Meter, LED Source Indicators, Multifunctional
  Knob, Bluetooth Connectivity, Multiple Input Options

• Power Supply: AC Adapter

• Output: Speaker Out, AUX Out

Product Description

Front panel

• VU Meter
• LED Source Indicators
• Multifunctional Knob (Power ON/OFF, Source Selection, Volume Adjustment)

Back panel

• Bluetooth Antenna Port
• RCA Input
• Coaxial Input
• Optical Input
• USB Type B Slot (PC Connection)
• AUX Output (3.5mm Jack)
• Speaker Output
• Power Supply Port

Product Usage Instructions

Inserting Batteries into the Remote Control

Follow the instructions in the manual to insert batteries into the remote control.

Connecting Speakers

Connect your speakers to the designated speaker output on the back panel of the amplifier.

Operation

Adjust the sound using the control knobs on the front panel. Use the multifunctional knob for power control, source selection, and volume adjustment.

Bluetooth Mode

To enter Bluetooth mode, ensure successful pairing with a device. The blue LED will indicate a successful connection.

Connecting to a PC

Locate the speaker icon in the taskbar and follow the manual’s instructions for connecting to a PC.

Troubleshooting – Distorted Sound

If you encounter distorted sound, refer to the troubleshooting section in the manual for solutions.

Frequently Asked Questions

Q: How do I ensure safety while using the amplifier?

A: Follow safety instructions provided in the manual, including keeping the product away from water, placing it on a stable surface, and using authorized accessories.

Q: Can I service the product myself?

A: It is advised not to attempt self-servicing as it may expose you to dangerous voltages. Refer all servicing to qualified personnel.

Q: How can I protect the product during a thunderstorm?

A: Unplug the product from the wall outlet during thunderstorms or when left unused for an extended period.

IT’S YOUR LIFE, JUST TAKE IT

Tube amplifier
KM0570

SAFETY INFORMATION

Producer does not claim liability for inappropriate use and handling.

1. Protect the product from water and humidity.
2. This product, in combination with speakers, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a level that is uncomfortable. If you experience any hearing loss or ringing in the ears, seek for medical advice.
3. Make sure the product is positioned in a place with proper ventilation. The product should be located away from heat sources such as radiators, heat vents, or other devices that produce heat.
4. The product should be connected to a power supply only of the type described in the operating instructions or as marked on the product.
5. This appliance may be used by children who are above 8 years old and by persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, if they are supervised and guided by a person who is responsible for their safety in a cautious manner, and all the safety precautions are understood and followed. Children should not play with this device. Children should not perform cleaning and servicing of the device unsupervised.
6. Never use this device if the power supply cord is damaged.
7. When you disconnect the power cord of the device, grasp and pull the plug, not the cord/cable.
8. Keep the device and its cord/cable away from heat, water, moisture, sharp edges and any other factor which may damage the appliance or its cord.
9. Disconnect the device from the power supply if it is not going to be used for a long time.
10. Keep the remote control battery away from children. Dispose of used battery promptly, replace only with a battery of the correct type.
11. ALWAYS disconnect this device from power supply mains before cleaning. Clean it with soft, slightly damp cloth only. Do not use any chemical agents to clean the product.
12. Make sure to place this product on flat, dry and stable surface.
13. The power supply cables 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 cables at plugs and the point where they exit from the product.
14. Do not use unauthorized accessories as they may damage the unit.
15. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:
    • If the unit exhibits sudden unusual operation
    • If the product has been exposed to rain or water.
    • If the product has been dropped or damaged in any way.
16. Do not attempt to service this product yourself as removing cover may expose you to dangerous voltages or other hazards. Refer all servicing toq ualified service personnel.
17. Do not disassemble the device, as it may cause risk of electric shock. The product has no user-serviceable parts inside.
18. For added protection for this product during a thunderstorm, or when it is left unattended and unused for long period of time, unplug it from the wall outlet.
19. NOTES ON USE:
    • Avoid high temperatures
    • Allow for sufficient heat dispersion when installed on a rack.
    • Handle the power cord carefully.
    • Hold the plug when unplugging the cord.
    • Keep the set free from moisture, water and dust.
    • Unplug the power cord when not using the set for long periods of time.
    • Do not obstruct the ventilation holes
    • Never disassemble or modify the set in any way.

PRODUCT DESCRIPTION

Front panel

1. VU meter
2. LED source indicators
3. Multifunctional knob (power ON/OFF; source selection; volume adjustment)
4. Bass knob
5. IR sensor
6. Treble knob

Back panel

7. Bluetooth antenna socket
8. RCA input
9. Coaxial input
10. Optical input
11. USB-B port (connection with the PC)
12. AUX output (3,5 mm jack)
13. Speaker output
14. Power socket

Remote control

1. ON/OFF
2. Select source
3. Mute
4. Play/Pause
5. Previous track
6. Next track
7. Decrease volume
8. Increase volume
9. No function
10. No function
11. Auto detect mute (after about 10 seconds from pausing music in any source, a clicking sound will be issued. Press this button to turn off that sound, press again to turn on)

REMOTE CONTROL BATTERY INSTALLATION

1. Open the battery cover.
2. Insert 2x AAA battery with correct polarization (+/-).
3. Close the battery cover.

Notes:

• Please remove the batteries if the remote control is not going to be used for a long time.
• Use only specified batteries.
• Do not mix different types of batteries.
• Always replace all batteries at the same time.
• Always point the IR sensor of the remote control towards the IR sensor on the front of the main unit.
• Make sure there are no obstacles between the IR sensor of the remote control and the main unit.

CONNECTING SPEAKERS

1. Plug the banana plugs to the corresponding colors on the speaker and at the back of the main unit.

OR

1. Slightly unscrew the nuts on the sockets at the back of the main unit.
2. Insert the stripped part of the wire completely. The right speaker cables should be connected to the “R” socket, the left speaker cables to the “L” socket, making sure that the cables connected to the central unit are connected to the speakers in the same way (red socket on the central unit to the red socket on the loudspeaker, black in the same way as red).
3. Tighten the socket nuts firmly so that the inserted wires do not fall out.

OPERATION

1. Install the electronic tubes delivered with the product into the appropriate sockets on the top of the amplifier (the tubes are not divided into left and right). Before installing the tubes, check whether the pins are deformed.
2. Make sure the multifunctional knob is set to the minimum.
3. Connect the speakers as described in “Connecting speakers” section above.
4. Use the appropriate cables and connect the audio source device to the corresponding interface at the back of the amplifier.
5. Connect the plug of the AC/DC adapter to the power socket at the back of the main unit and then connect the amplifier to the wall outlet.
6. Press the multifunctional knob to turn on the amplifier.
7. Keep pressing the multifunctional knob to select the desired source. The corresponding LED indicator will light up blue.
8. Use the multifunctional knob to set the desired volume.
9. Use the remaining knobs on the front panel to adjust the sound.
10. To turn off the amplifier, press and hold the multifunctional knob.

BLUETOOTH MODE

1. Screw the Bluetooth antenna to the antenna socket at the back of the main unit.
2. Press the multifunctional knob on the main unit and switch to the Bluetooth paring mode. Blue LED flashes.
3. Turn on the Bluetooth function on your device.
4. Select and connect with the device (BT HIFI AUDIO).
5. After successful pairing, blue LED turns solid.

Notes:

• Every time the amplifier is turned on, it will connect to the last connected device automatically. Please note, your device must be on with Bluetooth function turned on.
• The operational range between this unit and a Bluetooth device is approximately 10 m (when Bluetooth antenna is connected). Any obstacle between this unit and a Bluetooth device can reduce the operational range.
• If the distance between the devices exceeds the communication range, the devices will disconnect. To reconnect the devices, place them within range. Compatibility with all Bluetooth devices is not guaranteed.
• Keep this unit away from any other electronic device that may cause interference.

CONNECTING TO THE PC

1. Connect the amplifier to the PC with the included USB cable.
2. Press the multifunctional knob to switch to the PC USB mode (blue LED PC-USB indicator is on).
3. Find the icon with the speaker symbol in the bottom right corner of the taskbar.
4. Click on that icon, select the device (USB HIFI Audio) and set it as default.

TROUBLESHOOTING

on.

2.   Check if the volume knob is set to the minimum; if so, ten rotate it clockwise to increase volume

3.   Check if the playback on the audio source device is paused, muted or at the

minimum volume level.

Sound is distorted| 1.  If the power of the speakers differs significantly from the power of the amplifier, sound distortions may occur

2.   If the volume on the amplifier and on the audio source device is set to the maximum, sound distortions may occur. Please decrease volume on

one of the devices.

The volume level varies| The amplitude of the
depending on the| electrical signal varies from
connected equipment| device to device.

Differences in sound levels

 | are normal.

SPECIFICATION

• Tube type used: 6K4
• Replaceable tubes: 6J2, 6J3, 6J4, 6J5, 6Ж1п
• Max. output power: 2x 100 W (@4 Ohm)
• Speaker impedance: 4 – 8 Ohm
• Frequency response: 20 Hz ~ 20 kHz (± 3 dB)
• S/N ratio: ≥ 98 dB
• THD: 0,07% (@1 W)
• Input sensitivity: 0,775 V
• Coaxial/optical sampling rate: 192 kHz/24 bit
• USB sampling rate: 96 kHz/24 bit
• Treble and bass adjustment range: ± 6 dB
• Bluetooth: 5.0
• Bluetooth range: up to 10 m
• Max. Bluetooth transmission power: 10 dBm
• Bluetooth frequency: 2402 – 2480 MHz
  • Audio inputs:
  • RCA input
  • Coaxial input
  • Optical input
  • USB-B port
• Speaker output
• AUX output (3,5 mm jack)
• Bluetooth antenna socket
• DC power socket (DC plug: 5,5 x 2,5 mm)
• Supported OS: Windows 7/ 8/ 10/ MAC/ Linux
• Remote control power supply: 2x AAA battery (not included) Max. power consumption: 200 W
• Power supply: 18 – 30 V
• AC/DC adapter:
• Input: 100 – 240 V; 50/60 Hz
• Output: 24 V / 4 A
• Weight: 662 g
• Dimensions: 130 x 116 x 102 mm
• In set: 2x tube, remote control, Bluetooth antenna, USB cable, AC/DC adapter

Lechpol Electronics Leszek Sp.k. hereby declares that Tube amplifier KM0570 is consistent with directive 2014/53/UE. Full text of the EU Declaration of Conformity is available at following Internet address: www.lechpol.pl.

Correct Disposal of This Product
(Waste Electrical & Electronic Equipment)

(Applicable in the European Union and other European countries with separate collection systems) This marking shown on the product or its literature, indicates that it should not be disposed with other household wastes at the end of its working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate this from other types of wastes and recycle it responsibly to promote the sustainable reuse of material resources. Household users should contact either the retailer where they purchased this product, or their local government office, for details of where and how they can take this item for environmentally safe recycling. Business users should contact their supplier and check the terms and conditions of the purchase contract. This product should not be mixed with other commercial wastes for disposal.
Made in China for Lechpol Electronics Leszek Sp.k.,ul. Garwolińska 1, 08-400 Miętne.

www.krugermatz.com

is a registered trademark

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