1. Introduktion
The JOYO JA-03 mini amplifier is a versatile and portable headphone amplifier designed for musicians to practice at home or while traveling. It offers excellent sound quality and allows for quiet practice without disturbing others. This mini amplifier is ideal for amplifying passive guitar pickups and features an auxiliary input for playing along with external music sources.
The JA-03 series includes several models, each tailored to provide specific sound effects or cater to different instruments:
- JA-03 Bass: Specifically designed for bass guitars, delivering a powerful bass amp sund.
- JA-03 Acoustic: Optimized for acoustic guitars, providing a clear and natural acoustic tone.
- JA-03 Tube Drive: Offers a classic tube overdrive effect for electric guitars.
- JA-03 English Channel: Emulates the sound of classic British amplifiers for electric guitars.
- JA-03 Lead: Provides a powerful lead sound with delay effects for electric guitars.
- JA-03 Metal: Delivers high-gain, aggressive metal tones for electric guitars.
2. Sikkerhedsoplysninger
- Udsæt ikke enheden for ekstreme temperaturer, fugt eller direkte sollys.
- Undgå at tabe eller udsætte enheden for kraftige stød.
- Opbevares utilgængeligt for børn.
- Brug kun den angivne batteritype (AAA), og sørg for korrekt polaritet under installationen.
- Fjern batterierne, hvis enheden ikke skal bruges i en længere periode.
3. Pakkens indhold
Tjek venligst pakken for følgende varer:
- 1 x JOYO JA-03 Mini Headphone Amplifier (specific model)
- 1 x brugermanual
Note: AAA batteries are not included in the package due to logistical constraints and must be purchased separately.
4. Produktfunktioner og kontroller
The JOYO JA-03 mini amplifier is compact and features intuitive controls for ease of use. The main components and controls are:
- 1. PHONE (Headphone Output): 3.5 mm stik til tilslutning af hovedtelefoner.
- 2. AUX IN (Auxiliary Input): 3.5mm jack for connecting external audio sources like MP3 players or smartphones.
- 3. MIX / GAIN Knob: Adjusts the blend of the instrument signal with the auxiliary input (Mix for Bass/Acoustic models) or the amount of overdrive/distortion (Gain for electric guitar models).
- 4. TONE Knob: Adjusts the tonal characteristics of your sound.
- 5. VOLUME Knob: Controls the overall output volume to your headphones.
- 6. POWER ON/OFF Switch: Tænder eller slukker for enheden.
- LED -strømindikator: Lyser, når enheden er tændt.
- Instrument Input Jack: Integrated 1/4-inch jack for direct connection to your instrument.
5. Opsætning
5.1 Batteriinstallation
- Find batterirummet på bagsiden af amplivligere.
- Åbn batterirummets dæksel.
- Isæt to (2) AAA-batterier, og sørg for korrekt polaritet (+/-) som angivet i batterirummet.
- Luk batterirummets dæksel forsvarligt.
5.2 Connecting to Your Instrument
- Sørg for ampkøleren er slukket.
- Plug the integrated 1/4-inch jack of the JOYO JA-03 directly into your guitar's or bass's output jack.
5.3 Connecting Headphones and External Audio
- Connect your headphones to the 3.5mm 'PHONE' jack on the amplivligere.
- To play along with music, connect your MP3 player, smartphone, or other audio device to the 3.5mm 'AUX IN' jack using a standard 3.5mm audio cable.
6. Betjeningsvejledning
6.1 Tænd/sluk
Slide the 'POWER ON/OFF' switch to the 'ON' position to power on the amplifier. The LED power indicator will light up. Slide the switch to 'OFF' when not in use to conserve battery life.
6.2 Justering af betjeningselementer
- BIND: Rotate the VOLUME knob to adjust the overall listening level through your headphones. Start with a low volume and gradually increase it to a comfortable level.
- TONE: Rotate the TONE knob to shape the frequency response of your instrument's sound. Experiment to find your preferred brightness or warmth.
- MIX / GAIN:
- For Bass and Acoustic models, the MIX knob controls the balance between your instrument's signal and the auxiliary input signal.
- For Electric Guitar models (Tube Drive, English Channel, Lead, Metal), this knob functions as a GAIN control, adjusting the amount of overdrive or distortion in your sound.
6.3 Brug af AUX-indgangen
With an external audio source connected to the AUX IN jack, you can play along with backing tracks or songs. Adjust the volume of your external device and the MIX knob (for Bass/Acoustic models) or the overall VOLUME knob (for electric guitar models) on the JA-03 to achieve a balanced sound in your headphones.
7. Vedligeholdelse
- Rengør enheden med en blød, tør klud. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- Keep the device dry. Moisture can damage internal components.
- Opbevares på et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
- Kontrollér regelmæssigt batterikontakterne for korrosion, og rengør dem om nødvendigt.
8. Fejlfinding
- Ingen lyd:
- Sørg for amplifier is powered on and the LED indicator is lit.
- Kontroller, at batterierne er korrekt installeret og ikke er afladede. Udskift dem om nødvendigt.
- Verify that your instrument is properly plugged into the amplifier's input jack.
- Confirm headphones are securely connected to the 'PHONE' jack.
- Increase the VOLUME knob on the amplifier and the volume on your instrument.
- Forvrænget lyd:
- Reduce the VOLUME or GAIN/MIX knob on the amplivligere.
- Check the volume output from your instrument.
- Ensure your headphones are functioning correctly.
- Auxiliary Input Not Working:
- Verify the external audio device is playing and its volume is turned up.
- Check the audio cable connection to the 'AUX IN' jack.
- Adjust the MIX knob (for Bass/Acoustic models) or overall VOLUME.
9. Specifikationer
| Feature | Specifikation |
|---|---|
| MP3 Input Jack | 3.5 mm |
| Earphone Input Jack | 3.5 mm |
| Strømindikator | LED |
| Materiale | ABS plast |
| Dimensioner (L*B*H) | 89 mm * 77 mm * 26 mm (3.4 * 1.6 * 0.8 tommer) |
| Vægt | 54 g (1.6 oz) |
| Strømkilde | 2 x AAA batterier (medfølger ikke) |
| Lydudgangseffekter | Amplifier (specific effect varies by model: Bass, Acoustic, Tube Drive, English Channel, Lead, Metal) |
| Hardware-interface | Telefoner |
| Kontroltype | Mixed (Volume, Tone, Mix/Gain) |
10. Brugertips
- Choose the Right Model: The JA-03 series offers different models (Bass, Acoustic, Tube Drive, Lead, Metal, English Channel). Each is designed for a specific instrument or sound effect. Ensure you select the model that best suits your instrument and desired tone for optimal performance. For example, the Bass model is specifically for electric bass guitars, while other models are for electric guitars.
- Stille øvelse: Denne amplifier is excellent for practicing quietly. Plug in your headphones and enjoy your music without disturbing others.
- Jam Along: Utilize the AUX IN feature to connect your phone or MP3 player. This allows you to play along with your favorite songs or backing tracks, making practice more engaging and effective.
- Portabilitet: Its compact size and battery operation make it highly portable. Take it with you for practice sessions on the go, whether at home, during travel, or for quick warm-ups.
11. Garanti og support
JOYO products are manufactured to high-quality standards. For any technical support or warranty inquiries, please refer to the contact information provided by your retailer or visit the official JOYO webwebstedet. Behold din købskvittering som købsbevis.
