1. Introducció
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.
Imatge 1.1: Frontal view of the Douk Audio ST-01 Plus ampvidador, espectacleasing its compact design and prominent VU meter.
2. Què hi ha a la caixa
- 1x ST-01 PLUS Ampmés viu
- 1 adaptador de corrent CC de 32 V/5 A
- 1x Bluetooth Antenna
Image 2.1: Contents of the Douk Audio ST-01 Plus package, including the amplifier, power adapter, and Bluetooth antenna.
3. Producte acabatview
3.1 Controls del panell frontal
Imatge 3.1: Detallada view of the front panel with labels for each control and indicator.
- VU Meter: 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.
- Pom de baix: Ajusta la sortida d'àudio de baixa freqüència.
- Pom treble: Ajusta la sortida d'àudio d'alta freqüència.
- Receptor IR: Per a senyals de comandament a distància.
3.2 Connexions del panell posterior
Imatge 3.2: Detallada view of the rear panel with labels for all input and output ports.
- Port d'antena Bluetooth: Connect the included Bluetooth antenna.
- Entrada d'àudio (RCA): Connecteu fonts d'àudio mitjançant cables RCA.
- Entrada fonètica (MM): Connect turntables with MM cartridges.
- 3.5mm AUX Output: Connecta't a un altre amplifier, active speakers, or a subwoofer.
- Speaker Output (Banana Plugs): Connecteu altaveus passius.
- DC 24V-48V Input: Connecteu l'adaptador de corrent.
3.3 Components interns
The ST-01 Plus utilizes high-quality audio components for superior sound performance:
- TPA3255 AmpXip lificador: 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. Configuració
4.1 Connectar altaveus
- Assegureu-vos el ampel lificador està apagat.
- 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 Connexió de fonts d'àudio
Trieu un dels mètodes següents per connectar la font d'àudio:
- Entrada RCA: Connect devices like CD players, computers, or TVs using RCA cables to the Audio Input (RCA) ports.
- Entrada Fono MM: 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 amplifier's compatibility.
4.3 Connexió d'alimentació
- Connect the DC 32V/5A power adapter to the DC 24V-48V Input port on the rear panel.
- Connecteu l'adaptador de corrent a una presa de corrent adequada.
5. Instruccions de funcionament
5.1 Encès/Apagat
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 Selecció d'entrada
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 Control de volum
Rotate the Mode/Volume knob to adjust the output volume. Turn clockwise to increase volume and counter-clockwise to decrease.
Control de 5.4 tons
Use the Bass and Treble knobs to adjust the low and high frequencies of the audio output according to your preference.
5.5 Vinculació Bluetooth
- Select Bluetooth input mode by pressing the Mode/Volume knob until the BT indicator lights up.
- On your device (phone, tablet, etc.), enable Bluetooth and search for "Douk Audio ST-01 Plus".
- Seleccioneu el amplifier to pair. Once connected, the BT indicator will remain solid.
- To clear Bluetooth pairing records, press and hold the Mode/Volume knob for approximately 3 seconds while in Bluetooth mode.
5.6 VUmetre
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 Vídeos oficials de productes
Watch these official videos for a visual guide on the Douk Audio ST-01 Plus amplifier's features and operation:
Vídeo 5.1: Un overview of the Douk Audio ST-01 200W Bluetooth Amplifier, demonstrating its features and connectivity.
Video 5.2: A demonstration of the Douk Audio ST-01 Tube Power Amp with its VU Meter in action.
6. Especificacions
| Característica | Especificació |
|---|---|
| Mides de l'article L x W x H | 4.53 x 3.84 x 2.13 polzades |
| Voltage | 30 volts (CC) |
| Fabricant | Douk Audio |
| Volum de subministrament màximtage | 48 volts (CC) |
| Subministrament mínim Voltage | 24 volts (CC) |
| Tipus de muntatge | Muntatge en superfície |
| Marca | Douk Audio |
| Nombre de canals | 2 |
| Potència de sortida | 600 Watts (Total, max 300W per channel) |
| Package Type Name | caixa |
| Especificació Met | FCC |
| Corrent de subministrament | 5 Amps |
| Material | Metall |
| Dimensions del producte | 4.53 x 3.84 x 2.13 polzades |
| Pes de l'article | 2.9 lliures |
| ASIN | B09FPTJ6XD |
| Número de model de l'article | ST-01 |
| Data de primera disponibilitat | 8 de setembre de 2021 |
7. Solució De Problemes
- Sense so:
- Ensure the power adapter is securely connected and the ampel lifier està encès.
- 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.
- Si feu servir Bluetooth, assegureu-vos que el dispositiu estigui emparellat i connectat.
- Problemes de connexió Bluetooth:
- Assegureu-vos que l'antena Bluetooth estigui ben connectada.
- Acosteu el dispositiu Bluetooth a la amplificador per millorar la força del senyal.
- Clear previous Bluetooth pairing records on the amplifier (refer to section 5.5) and your device, then attempt to re-pair.
- Ensure no other devices are actively connected to the amplifier mitjançant Bluetooth.
- So distorsionat:
- Redueix el volum en tots dos amplifier and your audio source.
- Check speaker connections for loose wires or incorrect polarity.
- Assegureu-vos que la font d'àudio no envia un senyal saturat.
8. Manteniment
- Mantenir el amplifier in a dry, well-ventilated area away from direct sunlight, heat sources, and moisture.
- Clean the exterior with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
- Ensure proper airflow around the unit to prevent overheating.
9. Garantia i Suport
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 weblloc web. Si us plau, conserveu el comprovant de compra per a reclamacions de garantia.
