Douk Audio ST-01 Plus TPA3255 Bluetooth Amplivligere brugervejledning

1. Introduktion

The Douk Audio ST-01 Plus is a versatile 2-channel TPA3255 Bluetooth amplifier designed for home audio systems. It features multiple input options including Bluetooth 5.2, RCA, and MM Phono, making it compatible with a wide range of audio devices such as turntables, phones, computers, and TVs. The amplifier delivers a maximum output power of 300W per channel, capable of driving most passive speakers. Unique features include a built-in VU meter, adjustable bass and treble controls, and a 3.5mm AUX output for connecting additional audio equipment.

Billede 1.1: Forside view of the Douk Audio ST-01 Plus ampløfter, showcasing its compact design and prominent VU meter.

2. Hvad er der i æsken

• 1x ST-01 PLUS Amplivligere
• 1x DC 32V/5A strømadapter
• 1x Bluetooth-antenne

Image 2.1: Contents of the Douk Audio ST-01 Plus package, including the amplifier, power adapter, and Bluetooth antenna.

3. Produktet er slutview

3.1 Betjeningselementer på frontpanelet

Billede 3.1: Detaljeret view of the front panel with labels for each control and indicator.

• VU måler: Displays audio output level.
• Input Indicators (BT, RCA, Phono): Lights up to show the currently selected input.
• Mode/Volume Knob: Press to switch input modes (BT, RCA, Phono). Rotate to adjust volume.
• Basknap: Justerer lavfrekvent lydudgang.
• Diskant-knap: Justerer højfrekvent lydudgang.
• IR-modtager: Til fjernbetjeningssignaler.

3.2 Bagpaneltilslutninger

Billede 3.2: Detaljeret view of the rear panel with labels for all input and output ports.

• Bluetooth-antenneport: Connect the included Bluetooth antenna.
• Lydindgang (RCA): Tilslut lydkilder via RCA-kabler.
• Phono-input (MM): Connect turntables with MM cartridges.
• 3.5 mm AUX-udgang: Opret forbindelse til en anden amplifier, active speakers, or a subwoofer.
• Speaker Output (Banana Plugs): Tilslut passive højttalere.
• DC 24V-48V Input: Tilslut strømadapteren.

3.3 Interne komponenter

The ST-01 Plus utilizes high-quality audio components for superior sound performance:

• TPA3255 AmpLifier Chip: Delivers up to 300W per channel with low distortion.
• QCC304X Bluetooth Chip: Supports SBC/APTX/APTX-LL/APTX-HD for high-quality, low-latency wireless audio streaming.

Image 3.3: Visual representation of the TPA3255 amplifier chip and QCC304X Bluetooth chip, highlighting key internal components.

4. Opsætning

4.1 Tilslutning af højttalere

1. Sørg for ampkøleren er slukket.
2. Connect your passive speakers to the Speaker Output terminals on the rear panel using banana plugs or bare wire. Ensure correct polarity (red to red, black to black).

4.2 Tilslutning af lydkilder

Vælg en af ​​følgende metoder til at tilslutte din lydkilde:

• RCA-indgang: Connect devices like CD players, computers, or TVs using RCA cables to the Audio Input (RCA) ports.
• MM Phono Input: Connect a turntable with an MM cartridge to the Phono Input ports.
• Bluetooth: For wireless connection, ensure the Bluetooth antenna is connected.

Image 4.1: Illustration of various input options including Bluetooth, Phono, RCA, and AUX output, demonstrating the amplifiers kompatibilitet.

4.3 Strømtilslutning

1. Connect the DC 32V/5A power adapter to the DC 24V-48V Input port on the rear panel.
2. Sæt strømadapteren i en passende stikkontakt.

5. Betjeningsvejledning

5.1 Tænd/sluk

Rotate the Mode/Volume knob clockwise until it clicks to power on the amplifier. Rotate counter-clockwise until it clicks to power off.

5.2 Indgangsvalg

Press the Mode/Volume knob to cycle through the available input modes: Bluetooth (BT), RCA, and Phono. The corresponding indicator light on the front panel will illuminate.

5.3 Lydstyrkekontrol

Rotate the Mode/Volume knob to adjust the output volume. Turn clockwise to increase volume and counter-clockwise to decrease.

5.4-tonekontrol

Use the Bass and Treble knobs to adjust the low and high frequencies of the audio output according to your preference.

5.5 Bluetooth -parring

1. Select Bluetooth input mode by pressing the Mode/Volume knob until the BT indicator lights up.
2. On your device (phone, tablet, etc.), enable Bluetooth and search for "Douk Audio ST-01 Plus".
3. Vælg amplifier to pair. Once connected, the BT indicator will remain solid.
4. To clear Bluetooth pairing records, press and hold the Mode/Volume knob for approximately 3 seconds while in Bluetooth mode.

5.6 VU meter

The integrated VU meter dynamically displays the audio output level. Its sensitivity can be adjusted to better match different input signals, providing a visual aid for real-time audio adjustment.

Image 5.1: Close-up of the illuminated VU meter, showing the needle responding to audio signals.

5.7 Officielle produktvideoer

Watch these official videos for a visual guide on the Douk Audio ST-01 Plus amplifier's features and operation:

6. Specifikationer

7. Fejlfinding

• Ingen lyd:
  • Sørg for, at strømadapteren er korrekt tilsluttet, og at ampkøleren er tændt.
  • Verify that speakers are correctly connected to the output terminals with proper polarity.
  • Check that the correct input source is selected (BT, RCA, Phono).
  • Confirm the volume is not set to minimum on the amplifier or your audio source.
  • Hvis du bruger Bluetooth, skal du sørge for, at enheden er parret og tilsluttet.
• Problemer med Bluetooth-forbindelse:
  • Sørg for, at Bluetooth-antennen er korrekt fastgjort.
  • Flyt din Bluetooth-enhed tættere på amplifier for at forbedre signalstyrken.
  • Clear previous Bluetooth pairing records on the amplifier (refer to section 5.5) and your device, then attempt to re-pair.
  • Sørg for, at ingen andre enheder er aktivt tilsluttet amplifier via Bluetooth.
• Forvrænget lyd:
  • Skru ned for lydstyrken på begge amplifier og din lydkilde.
  • Kontroller højttalerforbindelserne for løse ledninger eller forkert polaritet.
  • Sørg for, at lydkilden ikke sender et overstyret signal.

8. Vedligeholdelse

• Behold amplifier in a dry, well-ventilated area away from direct sunlight, heat sources, and moisture.
• Rengør ydersiden med en blød, tør klud. Undgå at bruge skrappe kemikalier eller slibende rengøringsmidler.
• Sørg for tilstrækkelig luftgennemstrømning omkring enheden for at forhindre overophedning.

9. Garanti og support

Douk Audio products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official Douk Audio webwebsted. Gem venligst din købsbevis til garantikrav.