1. Producte acabatview
The Douk A5 is a compact and powerful Class D stereo amplifier designed to deliver high-fidelity audio. Featuring TPA3255 chips, it provides 300W x 2 output power with extremely low distortion. Its adjustable high-pass filter and plug-and-play operational amplifier replacement capability allow for sound customization, making it suitable for various audio setups, from desktop bookshelf speakers to home theater systems.
Davant view of the Douk A5 Stereo Ampvidador, espectacleasinel seu disseny compacte i els seus botons de control.
The Douk A5 amplifier integrated into a home audio setup, demonstrating its application with speakers and a display.
2. Instruccions de configuració
Follow these steps to set up your Douk A5 ampmés viu:
- Desempaquetar el contingut: Carefully remove all items from the packaging. Verify that all components listed in the packing list are present.
- Connectar els altaveus: Connect your passive speakers to the 'SPK OUT' terminals on the rear panel. Ensure correct polarity (red to red, black to black).
- Connecta la font d'àudio: Use RCA cables to connect your audio source (e.g., Tablet PC, iPhone/Android Devices, CD/DVD/Media Players, TV/TV Set Top Box, Laptop/Mac/Computer, MP3) to the 'AUDIO IN' RCA inputs. A 3.5mm AUX output is also available for connecting to active subwoofers or active speakers.
- Connectar l'alimentació: Connect the provided DC 32V/5A power adapter to the 'DC 24V-48V' input on the rear panel, then plug the adapter into a wall outlet.
Detailed diagram showing the front panel controls (High-pass filter, Power/Volume knob) and rear panel connections (RCA input, 3.5mm AUX output, Speaker output).
Image illustrating the contents of the Douk A5 package, including the amplifier unit, DC power adapter, and user manual.
3. Instruccions de funcionament
Once connected, operate your Douk A5 amplifier de la següent manera:
- Encès/apagat i control de volum: Use the right knob on the front panel to power the unit on or off and adjust the master volume.
- Adjustable High-Pass Filter (HPF): The left knob controls the adjustable high-pass filter, ranging from 30 Hz to 200 Hz. This feature refines mid and high frequencies by minimizing low-frequency interference, ideal for optimizing sound with bookshelf or passive speakers.
Close-up of the adjustable high-pass filter knob on the Douk A5, with a frequency response graph in the background.
- Customizable Sound (Op-Amp Rolling): The Douk A5 features a tempered glass cover allowing for quick replacement of operational amplifiers. This enables audiophiles to easily fine-tune their sound profiles without disassembling the device.
Image demonstrating the easy plug-and-play op-amp replacement feature of the Douk A5, with the tempered glass cover removed.
- Sleek Glass Panel with LED Ambiance: The transparent control panel and adjustable internal LED lighting offer multiple color options, adding a modern and sophisticated aesthetic to your audio setup.
Visual representation of the Douk A5's customizable LED lighting, showing various color options through its sleek glass panel.
4. Funcions i tecnologia avançades
- PFFB Technology and High-Performance PCB: El amplifier incorporates a post-filter feedback circuit and a 4-layer immersion gold PCB. This design significantly reduces distortion and enhances frequency response, ensuring unparalleled audio precision and signal integrity.
Diagram illustrating the PFFB (Post-Filter Feedback) technology and the 4-layer immersion gold PCB used in the Douk A5 for improved audio performance.
- Advanced Full-Body Heat Dissipation: The robust design ensures efficient heat management, guaranteeing long-term and stable high-power output. It is normal for the casing to warm up during operation.
Visual representation of the advanced full-body heat dissipation mechanism within the Douk A5 ampmés viu.
- Components Premium: The A5 utilizes high-quality components such as Japanese Rubycon, Japanese Nichicon, Germany WIMA, and Japanese SAGAMI, contributing to its exceptional sound quality and reliability.
Primer pla view of the internal components of the Douk A5, highlighting premium capacitors and other parts.
5. Especificacions
| Model | Font d'alimentació | Impedància de l'altaveu | Potència de sortida |
|---|---|---|---|
| A5 | 32 V / 5 A | 4 Ω | 78W + 78W |
| 6 Ω | 71W + 71W | ||
| 8 Ω | 65W + 65W | ||
| 36 V / 6 A | 4 Ω | 107W + 107W | |
| 6 Ω | 100W + 100W | ||
| 8 Ω | 94W + 94W | ||
| 48 V / 5 A | 4 Ω | 120W + 120W | |
| 6 Ω | 110W + 110W | ||
| 8 Ω | 102W + 102W | ||
| 48 V / 10 A | 4 Ω | 250W + 250W | |
| 6 Ω | 210W + 210W | ||
| 8 Ω | 185W + 185W |
Especificacions addicionals:
- Marca: Douk Audio
- Número de model: A5
- ASIN: B0DRWVF4VT
- Fabricant: Douk Audio
- Actualitzacions de programari garantides fins a: Informació no disponible
- Disponibilitat de peces de recanvi: Informació no disponible
6. Manteniment
To ensure the longevity and optimal performance of your Douk A5 amplificador, seguiu aquestes pautes de manteniment:
- Neteja: Utilitzeu un drap suau i sec per netejar l'exterior ampEviteu utilitzar netejadors líquids o materials abrasius, ja que poden danyar l'acabat o els components interns.
- Ventilació: Assegureu-vos que el amplifier has adequate ventilation. Do not block the ventilation holes on the sides and bottom of the unit. Proper airflow prevents overheating.
- Emmagatzematge: Quan no s'utilitzi durant períodes prolongats, guardeu-lo amplifier in a cool, dry place away from direct sunlight and excessive dust.
7. Solució De Problemes
If you encounter issues with your Douk A5 amplificador, consulteu els passos habituals següents per a la resolució de problemes:
- Sense energia:
- Assegureu-vos que l'adaptador de corrent estigui connectat correctament a tots dos ampcarregador i una presa de corrent que funcioni.
- Comproveu si la presa de corrent funciona connectant-hi un altre dispositiu.
- Sense so:
- Verify that the speakers are correctly connected to the 'SPK OUT' terminals with proper polarity.
- Confirm that the audio source is properly connected to the 'AUDIO IN' RCA inputs and is playing audio.
- Check the volume level on both the amplifier and your audio source.
- Ensure the high-pass filter knob is not set to 'off' if you expect full range sound, or adjust it appropriately for your speakers.
- So distorsionat:
- Reduce the volume level on both the amplifier and the audio source to prevent clipping.
- Assegureu-vos que la impedància de l'altaveu coincideixi amb la amplifier's capabilities (refer to specifications).
- Reviseu els cables d'àudio per si hi ha danys o connexions soltes.
- Sobreescalfament:
- Assegureu-vos una ventilació adequada al voltant amplifier. Do not place it in an enclosed space.
- While some warmth is normal, excessive heat may indicate an issue. Disconnect power and allow the unit to cool before resuming use.
Si el problema persisteix després de seguir aquests passos, poseu-vos en contacte amb l'atenció al client.
8. Garantia i Suport
For warranty information and technical support, please refer to the official Douk Audio website or contact their customer service directly. When seeking support, please provide your product model (A5) and ASIN (B0DRWVF4VT) for faster assistance.
Podeu trobar més informació i dades de contacte a Douk Audio Brand Store.
