Nobsound P32 rørhovedtelefoner Amplivligere brugervejledning

1. Introduktion

The Nobsound P32 is a versatile tube headphone amplifier og stereo præamplifier designed to enhance your audio experience. It features a 1000mW output, capable of driving headphones with impedances ranging from 24Ω to 600Ω. The P32 incorporates vacuum tubes to deliver a warm and rich sound signature, and offers customization options through swappable tubes and op-amps. It supports both 3.5mm and 6.35mm headphone outputs, and RCA and 3.5mm AUX inputs for broad compatibility with various audio devices.

Image 1.1: The Nobsound P32 Tube Headphone Amplifier, a compact device with two visible vacuum tubes on top, a volume knob, and headphone jacks on the front panel.

2. Pakkens indhold

Tjek venligst pakken for følgende varer:

• 1x Nobsound P32 Headphone Amplivligere
• 2x 6J5 Tubes
• 1x DC 5V strømadapter
• 1x brugermanual

Image 2.1: A visual representation of the Nobsound P32 package contents, including the amplifier unit, two 6J5 vacuum tubes, a DC 5V power adapter, and the user manual.

3. Produktet er slutview

3.1 Frontpanel

• 6.35 mm hovedtelefonudgang: Til tilslutning af hovedtelefoner med et 6.35 mm stik.
• 3.5 mm hovedtelefonudgang: Til tilslutning af hovedtelefoner med et 3.5 mm stik.
• Power Switch / Volume Knob: Rotate to turn the unit on/off and adjust the output volume.

3.2 Bagpanel

• DC 5V IN (≥2A): Strømindgangsport.
• RCA IN (L/R): Stereo RCA input for audio sources.
• AUX-indgang (3.5 mm): 3.5 mm AUX-indgang til lydkilder.

Note: Do not connect both RCA and 3.5mm AUX inputs simultaneously.

Image 3.1: Diagram illustrating the front and rear panels of the Nobsound P32, detailing the 6.35mm and 3.5mm headphone outputs, power/volume knob on the front, and DC 5V power input, RCA L/R inputs, and 3.5mm AUX input on the rear.

4. Opsætning

4.1 Rørinstallation

1. Carefully unpack the 6J5 vacuum tubes from their protective packaging.
2. Align the pins of each tube with the corresponding holes in the tube sockets on top of the amplifier. Ensure the pins are straight.
3. Gently push each tube straight down into its socket until it is firmly seated. Do not force the tubes.

Billede 4.1: Et nærbillede view demonstrating the proper installation of a vacuum tube into its socket on the Nobsound P32 amplifier, highlighting the alignment of pins.

4.2 Tilslutning af lydkilder

Connect your audio source (e.g., PC, phone, TV, CD player) to the P32 using either the RCA input or the 3.5mm AUX input on the rear panel.

• For RCA connection: Use an RCA cable to connect the audio output of your source device to the RCA IN (L/R) ports.
• For 3.5mm AUX connection: Use a 3.5mm audio cable to connect the audio output of your source device to the AUX IN port.

Vigtig: Only use one input at a time. Connecting both RCA and 3.5mm AUX inputs simultaneously is not recommended and may cause audio issues.

4.3 Tilslutning af hovedtelefoner eller højttalere

• For hovedtelefoner: Plug your headphones into either the 6.35mm or 3.5mm headphone output jack on the front panel. Both outputs can be used simultaneously.
• For Active Speakers/Power Amplifier (Preamp Fungere): Connect the 3.5mm headphone output on the front panel to the AUX/RCA input of your active speakers or power ampved hjælp af et passende lydkabel.

Image 4.2: The Nobsound P32 connected to both over-ear headphones via the 6.35mm jack and in-ear monitors via the 3.5mm jack, demonstrating its dual output compatibility.

4.4 Strømtilslutning

Connect the provided DC 5V power adapter to the DC 5V IN port on the rear panel of the amplifier, then plug the adapter into a standard wall outlet.

5. Betjeningsvejledning

5.1 Tænd/sluk

Rotate the Power Switch / Volume Knob clockwise until you hear a click to turn the amplifier on. Rotate it counter-clockwise until you hear a click to turn the amplivligere af.

5.2 Lydstyrkejustering

Når amplifier is powered on, rotate the Power Switch / Volume Knob to adjust the output volume to your desired listening level. Start with a low volume and gradually increase it to prevent sudden loud sounds.

5.3 Input Usage

De amplifier automatically detects the active input. Ensure only one audio source is connected to either the RCA or 3.5mm AUX input at a time.

6. Vedligeholdelse

6.1 Udskiftning af rør

The 6J5 vacuum tubes are swappable, allowing for sound customization or replacement if a tube fails. To replace a tube:

1. Sørg for ampkøleren er slukket og trukket ud af strømkilden.
2. Allow the tubes to cool down completely if the unit has been in use.
3. Gently grasp the tube and pull it straight upwards to remove it from the socket. Avoid twisting.
4. Insert the new compatible tube by aligning its pins with the socket holes and pushing it straight down firmly.

6.2 Op-Amp Udskiftning

The dual op-amp chips are also swappable for further sound tuning. This procedure requires more care and potentially specialized tools (like an IC extractor).

1. Sørg for ampLiferen er slukket og frakoblet.
2. Carefully open the ampliber casing (refer to manufacturer guidelines if available, or seek professional assistance).
3. Using an appropriate tool (e.g., IC extractor), gently pry the existing op-amp chips from their sockets. Note their orientation.
4. Juster den nye kompatible op-amp chips with the correct orientation and carefully insert them into the sockets.
5. Saml igen ampliber casing.

Billede 6.1: Et nærbillede view of the internal circuit board of the Nobsound P32, showing an op-amp chip being carefully removed or inserted with tweezers, illustrating the swappable op-amp funktion.

6.3 Rengøring

For at rense amplifier, use a soft, dry cloth. Avoid using liquid cleaners or solvents, as they may damage the finish or internal components.

7. Fejlfinding

• Ingen lyd:
  • Sørg for ampApparatet er tændt, og lydstyrkeknappen er skruet op.
  • Verify that the audio source is playing and connected correctly to either the RCA or 3.5mm AUX input.
  • Check headphone/speaker connections.
  • Confirm that only one input (RCA or AUX) is connected at a time.
  • Ensure tubes are properly seated in their sockets.
• Forvrænget lyd:
  • Reduce the volume level from both the amplifteren og lydkilden.
  • Check if the audio source output is too high, causing clipping.
  • Undersøg kabler for skader eller løse forbindelser.
  • Ensure headphones/speakers are within the recommended impedance range (24-600Ω).
• Summende/Summende støj:
  • Sørg for, at alle forbindelser er sikre.
  • Prøv at flytte ampFjern fjernbetjeningen fra andre elektroniske enheder, der kan forårsage interferens.
  • Test with a different power outlet.
  • Ensure the power adapter is the original or a compatible 5V ≥2A adapter.

8. Specifikationer

9. Sikkerhedsoplysninger

• Udsæt ikke enheden for vand eller overdreven fugt.
• Undgå at placere enheden i nærheden af ​​varmekilder eller i direkte sollys.
• Do not attempt to disassemble or modify the unit beyond tube and op-amp replacement, as this may void the warranty and pose a safety risk.
• Use only the provided power adapter or a compatible 5V ≥2A power supply.
• Sluk altid enheden og tag stikket ud, inden du rengør den eller udfører nogen form for vedligeholdelse.
• Lyt ved moderat lydstyrke for at undgå høreskader.

10. Garanti og support

Nobsound products typically come with a standard manufacturer's warranty. Please refer to the warranty card included in your package or contact Nobsound customer support for specific warranty terms and conditions.

For technical support, troubleshooting assistance, or further inquiries, please visit the official Nobsound store or contact their customer service department.

Nobsound Store: https://www.amazon.com/stores/DoukAudioNobsound/page/BF750DA6-DED6-4CD9-89C1-1A442DDADDD7