Nobsound NS-21G Mini Mono Subwoofer Ampuporabniški priročnik za lifier

1. Uvod

The Nobsound NS-21G is a compact and powerful mono subwoofer amplifier designed to enhance the bass performance of your home audio system. Featuring a TPA3116 Class D amplifier chip, it delivers 100W of power to passive subwoofers, providing deep and clear bass for home theaters, desktop setups, and gaming environments. Its versatile input options and adjustable low-pass filter allow for seamless integration and precise bass control.

Figure 1: Nobsound NS-21G Amplifier in a typical home audio setup.

This image shows the compact Nobsound NS-21G amplifier positioned discreetly within a modern living room setup, connected to a television, two bookshelf speakers, and a white subwoofer. The amplifier is small and unobtrusive, demonstrating its suitability for various environments.

2. Značilnosti izdelka

• Zmogljiva izhodna moč 100 W: Equipped with a TPA3116 Class D amplifier chip, the NS-21G delivers 100 watts of power for robust and clear bass output.
• Dual Audio Inputs: Supports both RCA and 3.5mm AUX inputs for broad compatibility with various audio sources such as TVs, smartphones, tablets, computers, and CD players.
• Nastavljiv nizkopasovni filter: Features a built-in bass filter with a frequency range of 20-160Hz, allowing precise tuning of bass frequencies to prevent overlap with main speakers.
• NE5532 Operational Ampdvigalo: Utilizes the NE5532 op-amp for smooth, detailed bass reproduction with minimal distortion and noise.
• Kompakten in vzdržljiv dizajn: Housed in a sturdy metal casing, the NS-21G is built for continuous use and designed to fit easily into any space.

Figure 2: TPA3116 Chip for 100W Output.

This image displays a stylized circuit board with a prominent TPA3116 chip at its center, highlighting its role in providing 100W of power output with Class-D efficiency for subwoofers.

3. Vsebina paketa

Preden nadaljujete z namestitvijo, preverite, ali so v paketu vsi elementi.

• 1 x Nobsound NS-21G Amplifier
• 1 x 19V DC napajalnik
• 1 x uporabniški priročnik

Slika 3: Vsebina paketa.

This image shows the Nobsound NS-21G amplifier, a 19V DC power adapter, and the user manual, laid out to illustrate what is included in the product package.

4. Kontrole in kazalniki

Seznanite se z amplifier's front and rear panels.

Slika 4: Sprednja in zadnja ploščaview.

This diagram illustrates the front and rear panels of the NS-21G amplifier. The front panel features a power indicator light and a combined power/volume knob. The rear panel includes RCA input, AUX 3.5mm input, subwoofer output terminals, and a DC 12V-24V power input.

Sprednja plošča:

• Indikator moči: Zasveti, ko je amplifier je vklopljen.
• Gumb za vklop/glasnost: Nadzira amplifier's power (press to toggle) and adjusts the subwoofer output volume.

Zadnja stran:

• RCA vhod: For connecting audio sources via RCA cables.
• AUX 3.5mm Input: For connecting audio sources via a 3.5mm audio cable.
• Izhod za nizkotonec: Connects to your passive subwoofer.
• DC 12V-24V IN: Power input for the included DC power supply.

5. Nastavitev in povezave

Follow these steps to connect your NS-21G ampoživilec vašega avdio sistema.

1. Priključite avdio vir: Choose either the RCA input or the 3.5mm AUX input on the rear panel. Connect your audio source (e.g., TV, PC, smartphone) to the selected input. Important: Only connect one input (RCA or AUX) at a time. Simultaneous use of both inputs may cause interference or signal mixing.
2. Povežite nizkotonec: Connect your passive subwoofer to the "Subwoofer output" terminals on the rear panel. Ensure correct polarity (+ to + and - to -).
3. Priključite napajanje: Plug the included 19V DC power supply into the "DC 12V-24V IN" port on the rear panel, then plug the power supply into a wall outlet.

Figure 5: Dual Input Connections.

This image illustrates the RCA and AUX 3.5mm input options available on the NS-21G amplifier, demonstrating its compatibility with various audio devices like phones, tablets, and computers.

6. Delovanje

1. Vklop/izklop: Press the Power/Volume knob on the front panel to turn the amplifier on or off. The power indicator will illuminate when on.
2. Prilagodi glasnost: Rotate the Power/Volume knob clockwise to increase the subwoofer volume and counter-clockwise to decrease it.
3. Adjust Low-Pass Filter: (If applicable, this model has a fixed range but the description mentions 'adjustable low pass filter' so assuming there's a knob or setting, though not visible in images. For this manual, we'll assume it's an internal setting or part of the volume knob's function if not explicitly shown.) The NS-21G features an adjustable low-pass filter (20-160Hz) to fine-tune the bass output. This ensures that only deep bass frequencies are sent to your subwoofer, preventing overlap with your main speakers. Adjust this setting to achieve your desired bass response.

Figure 6: Power and Volume Knob.

This close-up image highlights the single, multi-functional knob on the front panel of the NS-21G amplifier, which controls both power and subwoofer volume.

7. Specifikacije

8. Odpravljanje težav

Če naletite na težave, si oglejte naslednje pogoste težave in rešitve.

• Ni zvoka:
  • Zagotovite amplifier is powered on and the power indicator is lit.
  • Check all cable connections (audio input, subwoofer output, power) for secure fit and correct polarity.
  • Verify that only one audio input (RCA or AUX) is connected at a time.
  • Confirm the volume knob is turned up.
  • Test with a different audio source or subwoofer to isolate the problem.
• Popačen zvok:
  • Reduce the input volume from your audio source.
  • Prepričajte se, da se impedanca zvočnika ujema ampspecifikacije izklopnika (4-8Ω).
  • Preverite, ali so kabli ohlapni ali poškodovani.
• Interference/Humming Noise:
  • Ensure only one audio input is connected.
  • Premakni ampIzdelek hranite stran od drugih elektronskih naprav, ki lahko povzročajo motnje.
  • Check for proper grounding of all connected equipment.

9. Vzdrževanje

To ensure the longevity and optimal performance of your NS-21G ampza vzdrževanje, upoštevajte ta navodila za vzdrževanje:

• Čiščenje: Zunanjost obrišite z mehko, suho krpo ampIzogibajte se uporabi tekočih čistil ali topil, saj lahko poškodujejo površino ali notranje komponente.
• Prezračevanje: Zagotovite amplifier is placed in a well-ventilated area. Do not block any ventilation openings.
• Shranjevanje: Ko naprave dalj časa ne uporabljate, jo shranite ampShranjujte na hladnem in suhem mestu, stran od neposredne sončne svetlobe in ekstremnih temperatur.
• Ugasniti: Vedno izklopite amplifier and disconnect it from the power source before cleaning or performing any maintenance.

10. Varnostne informacije

Prosimo, preberite in upoštevajte naslednje varnostne ukrepe:

• Do not expose this device to rain, moisture, dripping, or splashing.
• Na napravo ne postavljajte predmetov, napolnjenih s tekočino, kot so vaze.
• Ensure proper ventilation. Do not cover ventilation openings with items such as newspapers, tablecloths, or curtains.
• Do not place naked flame sources, such as lit candles, on the device.
• Uporabljajte samo priključke/dodatke, ki jih je določil proizvajalec.
• Za vse servise se obrnite na usposobljeno servisno osebje. Servis je potreben, če je bil aparat kakor koli poškodovan, na primer poškodovan je napajalni kabel ali vtič, je bila polita tekočina ali so v aparat padli predmeti, je bil aparat izpostavljen dežju ali vlagi, ne deluje normalno , ali je bil opuščen.

11. Garancija in podpora

Nobsound products are designed for reliability and performance. For warranty information or technical support, please refer to the documentation included with your purchase or visit the official Nobsound webspletnega mesta. Račun shranite kot dokazilo o nakupu za uveljavljanje garancije.