1. Sarrera
Eskerrik asko erosketagatik.asing the Nobsound Mini EL34 Tube Integrated Amplifier. This Class A, single-ended Hi-Fi amplifier is designed to deliver warm and rich audio performance. This manual provides essential information for the safe and optimal use of your amplifiatzailea, konfigurazioa, funtzionamendua, mantentze-lanak eta arazoak konpontzea barne.
2. Segurtasun-argibideak
- Elikatze-iturria: Ziurtatu amplifier is connected to a 100V AC power supply. Using an incorrect voltagUnitatea kaltetu eta bermea baliogabetu dezake.
- Aireztapena: Do not block the ventilation holes on the amplifier. Ensure adequate airflow around the unit to prevent overheating.
- Hezetasuna: Mantendu ampLikidorea uretatik, hezetasunetik eta hezetasun handiko inguruneetatik urrun eduki.
- Bero iturriak: Saihestu jarri ampBerogailua bero-iturrietatik gertu, hala nola erradiadoreetatik, bero-erregistroetatik, sukaldeetatik edo beste beroa sortzen duten gailu batzuetatik.
- Hodiaren manipulazioa: Vacuum tubes can become very hot during operation. Avoid touching them directly. Allow sufficient time for tubes to cool before handling or replacing.
- Zerbitzua: Ez saiatu produktu hau zuk zeuk ematen. Bidali zerbitzu guztiak zerbitzu kualifikatuko langileengana.
- Garbiketa: Deskonektatu kablea garbitu aurretik. Erabili zapi leun eta lehor bat. Ez erabili garbitzaile likidorik edo aerosolik.
3. Paketearen edukia
Egiaztatu elementu guztiak paketean daudela:
- Nobsound Mini EL34 Tube Integrated Ampdezente (x1)
- Elikatze kablea (x1)
- Vacuum Tubes: 5Z2P (x1), EL34 (x2), 6N1 (x1)

Description: This image displays the Nobsound Mini EL34 Tube Integrated Amplifier along with its accessories. The amplifier unit is shown with its dimensions (260W x 230D x 175H mm). Also included are the power cord and the four vacuum tubes (one 5Z2P, two EL34, and one 6N1) that come with the ampbiziagoa.
4. Produktua amaitu daview
4.1 Aurreko panela

Description: This image shows the front panel of the Nobsound Mini EL34 Tube Integrated Amplifier. On the left, there is a rotary power switch with 'ON' and 'OFF' positions. On the right, a rotary volume control knob is visible. The vacuum tubes are prominently displayed on top of the unit.
- Switch potentziala: Biratzen du amplifier ON edo OFF.
- Bolumen kontrola: Irteerako bolumen orokorra doitzen du.
4.2 Atzeko panela

Description: This image displays the rear panel of the Nobsound Mini EL34 Tube Integrated Amplifier. From left to right, it features two sets of RCA audio inputs labeled 'PC' and 'CD', with a selector switch to choose between them. To the right are the speaker output terminals, supporting both 4Ω and 8Ω impedance connections via banana plugs or bare wire. On the far right is the AC power input socket.
- PC Input (RCA L/R): Audio input for connecting devices like computers.
- CD Input (RCA L/R): Audio input for connecting devices like CD players.
- Sarrera hautatzailea: Toggles between PC and CD audio inputs.
- Bozgorailuen irteerako terminalak: Connect your passive speakers. Supports 4Ω and 8Ω impedance.
- Potentzia sarrera: Konektatu hornitutako korrontea hemen.
5. Konfigurazioa
5.1 Tube Installation (if not pre-installed)
If the vacuum tubes are not pre-installed, follow these steps:
- Carefully remove the tubes from their packaging.
- Identify the correct sockets for each tube type (5Z2P, EL34, 6N1). Refer to the markings on the amptxasis lizatzailea.
- Align the pins of each tube with the corresponding holes in the socket. Gently push the tube straight down until it is firmly seated. Do not force it.

Deskribapena: Irudi honek hurbileko irudia eskaintzen du view of the four vacuum tubes used in the Nobsound Mini EL34 Tube Integrated Amplifier. From left to right, they are one 5Z2P rectifier tube, two EL34 power tubes, and one 6N1 pre-amplifier tube.
5.2 Bozgorailuak konektatzea
- Ziurtatu ampLikidorea itzalita eta korronte-entxufetik deskonektatuta dago.
- Connect your passive speakers to the speaker output terminals on the rear panel.
- Match the speaker impedance (4Ω or 8Ω) to the corresponding terminals on the ampbiziagoa.
- Konektatu bozgorailuaren terminal positiboa (+) bozgorailuaren terminal positiboarekin (+). amplifiatzailea, eta bozgorailuaren terminal negatiboa (-) bozgorailuaren terminal negatiboari (-) amplifier. Ensure secure connections.
5.3 Audio iturriak konektatzea
- Connect your audio source (e.g., CD player, PC, streamer) to either the 'CD' or 'PC' RCA input jacks on the rear panel using appropriate RCA cables.
- Ensure left (L) and right (R) channels are correctly connected.
5.4 Energia-konexioa
- After all audio and speaker connections are made, connect the supplied power cord to the power input socket on the rear panel.
- Plug the other end of the power cord into a 100V AC power outlet.
6. Funtzionamendu-argibideak
- Piztu: Turn the Power Switch on the front panel to the 'ON' position. The tubes will begin to glow, indicating the amplifier is warming up. Allow a few moments for the tubes to stabilize before playing audio.
- Hautatu Sarrera: Use the Input Selector Switch on the rear panel to choose between the 'PC' or 'CD' audio input, corresponding to your connected source.
- Doitu bolumena: Start with the Volume Control knob at its minimum setting. Begin playing audio from your source, then slowly turn the Volume Control clockwise to achieve your desired listening level.
- Itzali: Desaktibatzeko amplifier, turn the Power Switch to the 'OFF' position.
7. Mantentzea
- Garbiketa: Aldian-aldian garbitu amplifier's exterior with a soft, dry cloth to remove dust. Do not use abrasive cleaners or solvents.
- Hodiaren ordezkoa: Vacuum tubes have a finite lifespan. If you notice a degradation in sound quality or a tube fails, it may need replacement. Ensure the amplifier is OFF and unplugged, and the tubes have cooled completely before attempting replacement. Gently pull the old tube straight out and insert the new tube, aligning the pins carefully.
- Aireztapena: Ensure the ventilation holes remain unobstructed to prevent overheating.
8. Arazoak
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Ez dago soinu irteerarik |
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| Soinu distortsionatua |
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| Burrunba edo burrunba zarata |
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9. Zehaztapenak
- Mota: Hutseko Hodi Integratua Ampbiziagoa
- Eredua: Single-ended Class A
- Kanalak: 2.0
- Sarrerako sentikortasuna: 550mV
- Potentzia irteera: 2 × 8W (Ultralinear connection)
- S/N erlazioa: 85 dB
- Sarrerako inpedantzia: 100KΩ
- Irteerako inpedantzia: 4Ω, 8Ω
- Elikatze-iturria: 100 V AC
- Energia-kontsumoa: 76W
- Maiztasun-erantzuna: 30 Hz ~ 38 KHz
- Hutseko hodiak: 5Z2P (x1), EL34 (x2), 6N1 (x1)
- Audio sarrera: Stereo L/R RCA (CD / AUX, PC)
- Audio irteera: Banana bozgorailuak
- Neurriak (W×D×H): 260 mm × 230 mm × 175 mm
- Pisua: 7.5kg
10. Bermea eta Laguntza
Nobsound products are designed for reliability and performance. For warranty information or technical support, please refer to the documentation provided with your purchase or contact your retailer. Keep your purchase receipt as proof of purchase.
For further assistance, you may visit the official Nobsound webwebgunean edo jarri harremanetan bere bezeroarentzako arreta zerbitzuarekin.