1. Inleiding
The Nobsound NS-13G MAX is a high-performance Class D stereo amplifier designed for home audio systems. It integrates a powerful TPA3255 amplifier chip, delivering up to 300W per channel, and offers versatile input options including MM-Phono and stereo RCA. This amplifier is suitable for connecting various audio sources such as turntables, CD/DVD players, computers, and televisions, providing exceptional sound quality with high efficiency and low distortion.
2. Veiligheidsinligting
- Verseker die amplifier is placed on a stable, level surface.
- Moenie die eenheid aan water, vog of uiterste temperature blootstel nie.
- Verseker behoorlike ventilasie rondom die ampverkoeler om oorverhitting te voorkom. Moenie ventilasie-openinge blokkeer nie.
- Use only the provided power adapter. Using an incorrect power supply may damage the unit and void the warranty.
- Disconnect the power cord from the outlet before cleaning or if the unit will be unused for an extended period.
- Moenie probeer om die eenheid self oop te maak of te diens nie. Verwys alle diens na gekwalifiseerde personeel.
3. Pakketinhoud
Kontroleer asseblief die pakket vir die volgende items:
- 1x Nobsound NS-13G MAX Amplewendiger
- 1x DC 48V/5A Power Adapter

Image: Contents of the Nobsound NS-13G MAX package, showing the amplifier unit and its power adapter.
4. Produk verbyview
4.1 Voorpaneelkontroles

Image: Detailed diagram illustrating the front panel controls and rear panel connections of the Nobsound NS-13G MAX amplewendiger.
- PHONO/RCA Input Switch: Selects between Phono input (for turntables) and RCA input (for other audio devices).
- Power OFF Switch: Draai die amplewendiger aan of af.
- Tone/Bypass Mode Switch: Engages or bypasses the Bass and Treble tone controls. In Bypass mode, audio is unprocessed for pure sound.
- Bas Knop: Pas die laefrekwensie-uitset aan.
- Treble Knop: Pas die hoëfrekwensie-uitset aan.
- Volumeknop: Beheer die algehele uitsetvolume.
4.2 Agterpaneelverbindings
- RCA IN (Left/Right): Standard stereo RCA inputs for connecting audio sources like CD players, DACs, or streaming devices.
- PHONO IN (Left/Right): Dedicated MM-Phono input for connecting turntables with a Moving Magnet cartridge. Includes a ground terminal.
- AUX OUT (3.5mm): 3.5mm auxiliary output for connecting to another amplifier, active speakers, or a subwoofer.
- SPK OUT (Banana Speaker Terminals): Outputs for connecting passive speakers. Supports banana plugs or bare wire.
- DC IN (24V-48V): Power input for the DC 48V/5A power adapter.
5. Opstelinstruksies
5.1 Koppel luidsprekers
- Verseker die ampDie verligter is afgeskakel en uit die kragtoevoer ontkoppel.
- Koppel jou passiewe luidsprekers aan die SPK UIT banana speaker terminals on the rear panel. Ensure correct polarity (red to red, black to black) for each channel (Left and Right).
5.2 Verbinding van klankbronne
- For Turntables: Connect your turntable's RCA output cables to the FONO IN (Left/Right) jacks. If your turntable has a ground wire, connect it to the ground terminal next to the PHONO IN.
- For Other Audio Devices (CD Player, PC, TV, etc.): Connect your device's RCA output cables to the RCA IN (Left/Right) jacks.
5.3 Connecting to External Amplifier/Subwoofer (Optional)
- If you wish to connect an additional amplifier, active speakers, or a subwoofer, use a 3.5mm audio cable to connect the AUX UIT jack on the NS-13G MAX to the input of your external device.
5.4 Aansluitkrag
- Connect the DC 48V/5A power adapter to the DC IN port on the rear of the amplewendiger.
- Steek die kragadapter in 'n geskikte muuraansluiting.

Image: The Nobsound NS-13G MAX amplifier set up with a turntable and passive speakers, demonstrating typical connections.
6. Bedryfsinstruksies
6.1 Krag aan/af
- Nadat alle verbindings gemaak is, draai die Krag AF switch to the 'ON' position to power on the ampDie kragaanwyserliggie sal brand.
- To power off, flip the Krag AF switch to the 'OFF' position.
6.2 Invoerkeuse
- Gebruik die PHONO/RCA Input Switch on the front panel to select the desired audio source. Set it to 'PHONO' for turntables or 'RCA' for other devices.
6.3 Volumebeheer
- Draai die Volumeknop clockwise to increase the volume and counter-clockwise to decrease it. Start with a low volume setting and gradually increase it to a comfortable listening level.
6.4-toonbeheer

Image: Close-up of the Nobsound NS-13G MAX front panel, highlighting the Tone/Bypass switch and Bass/Treble controls for flexible audio customization.
- Die Tone/Bypass Mode Switch allows you to engage or bypass the tone controls.
- In 'TONE' mode, you can adjust the sound using the Basknop en Treble knop om by jou voorkeure te pas.
- In 'BYPASS' mode, the Bass and Treble controls are deactivated, providing a direct, unprocessed audio signal for maximum clarity and detail.
7. Onderhoud
7.1 Skoonmaak
- Vee die buitekant van die ampmet 'n sagte, droë lap. Moenie vloeibare skoonmaakmiddels of skuurmiddels gebruik nie.
- Vermy die gebruik van skoonmaakoplossings direk op die eenheid.
7.2 Hitte-afvoer

Image: Diagram illustrating the innovative heat dissipation design of the Nobsound NS-13G MAX, with air flowing through side and bottom vents.
- The NS-13G MAX features strategically placed side and bottom vents for effective heat dissipation. Ensure these vents are not obstructed to maintain optimal operating temperature and prolong the device's lifespan.
- Plaas die amplifier in an area with adequate airflow.
7.3 Op-Amp Vervanging
- The integrated NE5532P operational amplifier is designed to be pluggable, allowing for replacement with other compatible dual op-amps such as OPA2604, OPA2134, or MUSE02 for audio customization.
- Only attempt op-amp replacement if you are familiar with electronic components and static discharge precautions. Disconnect power before attempting any internal modifications.
8. Probleemoplossing
| Probleem | Moontlike oorsaak | Oplossing |
|---|---|---|
| Geen klankuitset nie |
|
|
| Verwronge klank |
|
|
| Eenheid voel warm |
|
|
| Zoem of gons geluid |
|
|
9. Spesifikasies
- Model: NS-13G MAX
- Ampverligter Chip: TPA3255
- Op-Amp: NE5532P (pluggable)
- Insette: MM-Phono, Stereo RCA
- Uitsette: Banana Speaker Terminals, 3.5mm AUX Output
- Kragtoevoer: GS 48V/5A (ingesluit)
- Afmetings (L x B x H): Approximately 130mm x 102mm x 38mm (5.12in x 4.02in x 1.50in)
- Netto gewig: 513 g (1.13 lb)
- Pakket gewig: 1.30kg (2.87lb)
9.1 Output Power Table

Image: Table detailing the power output of the NS-13G MAX amplifier at various power supply voltages and speaker impedances.
| Model | Kragtoevoer | Luidspreker impedansie | Uitset krag |
|---|---|---|---|
| NS-13G MAX | 32V / 5A | 4 Ω | 78W+78W |
| 6 Ω | 71W+71W | ||
| 8 Ω | 65W+65W | ||
| 36V / 6A | 4 Ω | 107W+107W | |
| 6 Ω | 100W+100W | ||
| 8 Ω | 94W+94W | ||
| 48V / 5A | 4 Ω | 120W+120W | |
| 6 Ω | 110W+110W | ||
| 8 Ω | 102W+102W | ||
| 48V / 10A | 4 Ω | 250W+250W | |
| 6 Ω | 210W+210W | ||
| 8 Ω | 185W+185W |
10. Waarborginligting
Warranty information for this product is not explicitly provided in the available documentation. Please refer to the retailer or manufacturer's official webwebwerf vir besonderhede rakende waarborgdekking en -voorwaardes.
11. Kliëntediens
For technical assistance, troubleshooting beyond this manual, or inquiries regarding your Nobsound NS-13G MAX amplifier, please contact Nobsound customer support through their official webwebwerf of die kleinhandelaar van wie jy die produk gekoop het.
Manufacturer: Nobsound
Webwebwerf: www.douaudio.com