1. Uvod
This manual provides comprehensive instructions for the Hilitand NE5532 HIFI Preamp Amplifier Board. This pre-assembled board is designed to enhance your audio experience by providing high-fidelity pre-amplification with integrated volume and tone controls. It features a robust power supply design to minimize interference and deliver clear, stable audio output.
2. Značilnosti izdelka
- High-Quality Filtered Power Supply: Equipped with a high-quality filtered power supply circuit, including four rectifier pins connected in parallel with decoupling capacitors, effectively eliminating high-frequency interference from the AC power grid.
- Stabilni Voltage Izhod: Ensures minimal power grid clutter interference and relatively stable voltage, contributing to improved overall performance.
- Visoka stopnja konverzije: Features a high conversion rate and strong driving capability for dynamic audio reproduction.
- Wide Frequency Band & Low Noise: Designed for a wide frequency response and very low noise operation, providing a clear and soft, undistorted sound.
- Vzdržljiva konstrukcija: Made with high-grade metal components for wear resistance, durability, and a long service life.
3. Vsebina paketa
- 1 x Hilitand NE5532 HIFI Preamp Modul nadzorne plošče
4. Specifikacije
| Parameter | Vrednost |
|---|---|
| Delovna zvezatage | AC Dual 12-18V |
| Tone Control Types | Bass, Midrange, Treble, Volume |
| Kanali | Dvojni kanal |
| Avdio vhod | RCA vtičnica |
| Avdio izhod | 3P Terminal (R, GND, L) |
| Vhodna voltage Povezava | 3P Terminal (AC, GND, AC) |
| Dimenzije | 105 mm x 54 mm |
| Teža | 75 g |
| Material | High-grade Metal Components |
| Model Number (Chip) | NE5532 |
| UPC | 763741051419 |
5. Varnostne informacije
- Always ensure the power supply is disconnected before making any connections or disconnections to prevent electric shock or damage to the board.
- Use only the specified AC Dual 12-18V power supply. Using an incorrect voltage lahko poškoduje napravo.
- Handle the board with care to avoid static discharge, which can harm electronic components.
- Plošče ne izpostavljajte vlagi, ekstremnim temperaturam ali neposredni sončni svetlobi.
- Hraniti izven dosega otrok.
6. Nastavitev
6.1 Identifikacija komponent
Refer to the images below for a visual guide to the board's components and connections.


6.2 Povezave
Follow these steps to correctly connect the preamp tabla:
- Vhodna moč: Connect your AC Dual 12-18V power supply to the 3-pin terminal block labeled "AC GND AC" on the board. Ensure correct polarity and voltage.
- Avdio vhod: Connect your audio source (e.g., CD player, smartphone, DAC) to the two RCA input sockets (red for right channel, white for left channel).
- Avdio izhod: Connect the 3-pin terminal block labeled "R GND L" to your power amplifier or active speakers. 'R' is for the right channel, 'GND' is for ground, and 'L' is for the left channel.

7. Navodila za uporabo
Once all connections are securely made, you can begin operating your Hilitand NE5532 Preamp Odbor:
- Vklop: Apply power to the board. There is no dedicated power switch on the board itself; power is controlled by your external AC power supply.
- Prilagoditev glasnosti: Use the leftmost knob to adjust the overall output volume. Start with a low volume setting before playing audio.
- Nadzor tonov: The three rightmost knobs control the tone:
- Bas: Adjusts low-frequency response.
- Srednje: Adjusts mid-frequency response.
- Visoki toni: Adjusts high-frequency response.
- Predvajanje zvoka: Start playing audio from your connected source. Adjust volume and tone as desired.
8. Vzdrževanje
To ensure the longevity and optimal performance of your preamp board, follow these maintenance guidelines:
- Čiščenje: Keep the board clean and free from dust. Use a soft, dry cloth or a brush to gently remove any accumulated dust. Do not use liquid cleaners.
- Okolje: Store and operate the board in a dry, well-ventilated area, away from direct heat sources, moisture, and corrosive substances.
- Povezave: Občasno preverite vse povezave, da se prepričate, da so varne in brez korozije.
- Ravnanje: Izogibajte se padcem ali izpostavljanju deske močnim udarcem.
9. Odpravljanje težav
If you encounter issues with your Hilitand NE5532 Preamp Board, refer to the following troubleshooting steps:
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Ni zvoka |
|
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| Popačen ali nejasen zvok |
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| Brenčanje ali brenčanje |
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| Tone controls have no effect |
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10. Garancija in podpora
Hilitand is committed to providing high-quality products and excellent customer service. If you encounter any quality issues with your Hilitand NE5532 Preamp Amplifier Board, please do not hesitate to contact us via email. Upon confirmation of the issue, we will respond promptly to provide a resolution.
Our professional after-sales support team is available to answer your questions and provide assistance within 24 hours. Please provide your purchase details and a clear description of the problem when contacting support to facilitate a quicker resolution.