Rhagymadrodd
Diolch am brynuasing the Nobsound TPA3221 Mini Stereo Digital Power Amplifer. Mae'r ddyfais hon wedi'i chynllunio i ddarparu sain o ansawdd uchel amplification for your home audio system, featuring both line-level and MM phono inputs. Please read this manual carefully before operating the device to ensure proper setup, optimal performance, and safe use.
Cyfarwyddiadau Diogelwch
- Cyflenwad Pŵer: Use only the specified power adapter (24V/4.5A) provided with the amplifier. Using an incorrect power supply may damage the unit and void the warranty.
- Awyru: Sicrhau awyru digonol o amgylch y amplifier. Do not block ventilation openings or place the unit in an enclosed space.
- Lleithder: Cadw y amplifier away from water, moisture, and high humidity environments. Do not operate with wet hands.
- Gwres: Osgowch osod yr uned ger ffynonellau gwres fel rheiddiaduron, cofrestri gwres, stofiau, neu offer eraill sy'n cynhyrchu gwres.
- Glanhau: Disconnect the power before cleaning. Use a dry, soft cloth. Do not use liquid cleaners or aerosol sprays.
- Gwasanaethu: Peidiwch â cheisio gwasanaethu'r cynnyrch hwn eich hun. Cyfeiriwch yr holl wasanaethu at bersonél gwasanaeth cymwys.
Cynnwys Pecyn
- Nobsound TPA3221 Mini Stereo Digital Power Ampllewywr
- Addasydd Pŵer (24V/4.5A)
- Llawlyfr Defnyddiwr
Cynnyrch Drosview
Panel blaen

Image: Front panel of the Nobsound TPA3221 amplifier, showing the input selector switch, power indicator, tone bypass switch, bass knob, treble knob, and volume knob.
- PHONO / RCA / OFF Switch: Selects between Phono input, Line input, or powers off the unit.
- Dangosydd Pŵer: Yn goleuo pan fydd yr uned yn cael ei bweru ymlaen.
- Bypass / Tone Switch: Engages or bypasses the Bass and Treble tone controls.
- Knob Bas: Adjusts low-frequency output.
- Knob Trebl: Adjusts high-frequency output.
- Knob Cyfrol: Yn rheoli cyfaint allbwn cyffredinol.
Panel Cefn

Image: Rear panel of the Nobsound TPA3221 amplifier, detailing the PHONO IN (RCA), LINE IN (RCA), Speaker Output (SPK OUT), and DC IN power port.
- PHONO IN (RCA): Input for turntables with MM (Moving Magnet) cartridges.
- MEWNBWN LLIN (RCA): Standard stereo RCA input for other audio sources (CD player, TV, PC, etc.).
- SPK OUT (Speaker Output): Binding posts for connecting passive speakers (Left and Right channels).
- DC IN (18V-28V): Power input port for the external power adapter.
Cydrannau Mewnol

Delwedd: Mewnol view of the Nobsound TPA3221 amplifier, highlighting the TPA3221 amplifier chip, NE5532 op-amp chips, NJM2608 phono preamp op-amp chips, TD1663 power management chip, and audiophile-grade inductors.
Mae'r amplifier utilizes a TPA3221 chip for powerful stereo output, complemented by NE5532 op-amp chips and NJM2608 phono preamp op-amp chips for signal processing. A TD1663 power management chip ensures stable power delivery, and audiophile-grade inductors contribute to sound quality.
Gosod
- Cysylltu Siaradwyr: Connect your passive speakers to the 'SPK OUT' binding posts on the rear panel. Ensure correct polarity (+ to + and - to -) for both left (L) and right (R) channels. Tighten the connections securely.
- Cysylltu Ffynhonnell Sain:
- For a turntable with an MM cartridge, connect its RCA output cables to the 'PHONO IN' RCA jacks on the rear panel.
- For other audio sources (e.g., CD player, TV, PC, smartphone), connect their RCA output cables to the 'LINE IN' RCA jacks on the rear panel.
- Pwer Cysylltu: Insert the DC plug of the provided power adapter into the 'DC IN' port on the rear panel. Then, plug the power adapter into a suitable wall outlet.
- Pŵer Cychwynnol Ar: Set the front panel switch to 'OFF' before connecting power. Once all connections are made, switch the front panel selector to either 'PHONO' or 'RCA' to power on the unit and select your desired input. The power indicator light will illuminate.
Cyfarwyddiadau Gweithredu
- Pŵer Ymlaen / i ffwrdd a Dewis Mewnbwn: Use the multi-function switch on the front panel to select your audio input ('PHONO' or 'RCA') or to power off the unit ('OFF').
- Addasiad Cyfaint: Rotate the 'VOLUME' knob clockwise to increase the volume and counter-clockwise to decrease it. Start with a low volume setting before playing audio to avoid sudden loud sounds.
- Rheoli Tôn:
- Use the 'BASS' knob to adjust the low-frequency response and the 'TREBLE' knob to adjust the high-frequency response.
- The 'BYPASS / TONE ON' switch allows you to engage ('TONE ON') or bypass ('BYPASS') these tone controls. Bypassing the tone controls provides a more direct audio path, which some users prefer for a neutral sound.
- Chwarae Sain: Once the desired input is selected and volume is set low, start playing audio from your source device. Adjust the volume to your preferred listening level.
Cynnal a chadw
- Glanhau: Regularly wipe the unit with a soft, dry cloth to remove dust. Do not use abrasive cleaners or solvents.
- Awyru: Ensure the ventilation holes are clear of dust and obstructions to prevent overheating.
- Storio: Os ydych chi'n storio'r uned am gyfnod hir, datgysylltwch hi o'r pŵer a'i storio mewn lle oer, sych.
Datrys problemau
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Dim allbwn sain |
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| Sain gwyrgam |
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| Sŵn hymian neu suo |
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Manylebau
- Model: TPA3221
- Pŵer Allbwn: 100W x 2 (into appropriate impedance)
- Nifer y sianeli: 2 (Stereo)
- Mewnbwn Voltage: DC 18V-28V
- Mewnbynnau: MM Phono (RCA), Line In (RCA)
- Allbwn: Speaker Output (Binding Posts)
- Rheoli Tôn: Bass, Treble, Bypass function
- Pwysau Eitem: Tua 2.2 pwys (1 kg)
- Dimensiynau Pecyn: Tua 10.04 x 8.66 x 2.48 modfedd (25.5 x 22 x 6.3 cm)
Gwarant a Chefnogaeth
Nobsound products are designed for reliability and performance. For warranty information, please refer to the documentation included with your purchase or contact Nobsound customer support directly. If you encounter any issues not covered in this manual, please reach out to Nobsound customer service for assistance.
Gwybodaeth Gyswllt: Please visit the official Nobsound website or your retailer's support page for the most current contact details.





