1. Sarrera
This manual provides essential information for the proper setup, operation, and maintenance of your Bose RA-8 Stereo Receiver. Please read it thoroughly before using the unit to ensure optimal performance and safety. The Bose RA-8 is a compact stereo receiver featuring FM/AM tuner capabilities and an integrated amplifier, designed to deliver high-quality audio performance.
1. irudia: Aurrealdea view of the Bose RA-8 Stereo Receiver. This image shows the compact design and primary controls of the unit.
2. Segurtasun informazioa
Beti jarraitu segurtasun neurri hauek deskarga elektrikoak, suteak edo unitateari kalteak saihesteko:
- Energia iturria: Konektatu unitatea 100V-ko eta 50/60Hz-ko korronte-iturri batera soilik.
- Aireztapena: Ziurtatu aireztapen egokia dagoela. Ez blokeatu aireztapen-irekidurak.
- Ura eta hezetasuna: Ez jarri unitatea euripean edo hezetasunean. Ez jarri likidoz betetako objekturik, hala nola loreontziak, unitatearen gainean.
- Atzerriko objektuak: Ez sartu objektu metalikorik edo material sukoirik unitatean.
- Zerbitzua: Ez saiatu unitatea zeuk konpontzen. Konponketa guztiak zerbitzu-langile kualifikatuei eskatu.
- Lekua: Place the unit on a stable, level surface away from direct sunlight, heat sources, and excessive dust or vibrations.
3. Konfigurazioa
3.1 Paketatzea
Kontu handiz atera unitatea bere ontzitik. Gorde ontziratzeko materialak etorkizunean garraiatzeko edo biltegiratzeko.
3.2 Konexioak
Ziurtatu unitatea itzalita dagoela konexiorik egin aurretik.
- Bozgorailuaren konexioa: Connect your speakers to the speaker terminals on the rear panel. The unit supports a load impedance of 6Ω to 16Ω. Ensure correct polarity (+ to + and - to -).
- Audio-iturburuaren konexioa: Connect external audio devices (CD player, MD player, tape deck, or other AUX sources) to the corresponding input jacks on the rear panel using appropriate audio cables. The input sensitivity for CD, MD, and TAPE/AUX is 200mV/47kΩ.
- Antena konexioa:
- FM Antena: Connect the supplied FM antenna or an external FM antenna to the FM antenna terminal. For optimal reception, extend the antenna fully.
- AM antena: Connect the supplied AM loop antenna to the AM antenna terminals. Position the loop antenna for best reception.
- Potentzia-konexioa: After all other connections are made, plug the power cord into an AC 100V wall outlet.
4. Funtzionamendu-argibideak
4.1 Piztu/Itzali
Sakatu BOTEREA aurrealdeko paneleko edo urrutiko aginteko botoia unitatea pizteko edo itzaltzeko.
4.2 Iturria hautatzea
Sakatu CD, MD, edo TAPE/AUX buttons on the front panel or remote control to select the desired audio input source.
4.3 Sintonizatzailearen funtzionamendua
- Bandaren hautaketa: Sakatu FM/AM button to switch between FM and AM bands.
- Eskuzko sintonizazioa: Erabili TUNE +/- botoiak maiztasuna eskuz doitzeko.
- Auto Tuning (Scan Tuning): Eduki sakatuta TUNE +/- botoiak automatikoki hurrengo irrati eskuragarria bilatzeko.
- Aurrez ezarritako geltokiak: The unit allows registration of up to 30 FM/AM broadcast stations. Refer to the detailed instructions for saving and recalling preset stations. The Area Fine Memory feature allows recalling stations by specifying a region.
- AM Stereo Reception: The unit supports AM stereo broadcasts.
4.4 Bolumen kontrola
Doitu entzuteko bolumena erabiliz BOLUMENA aurrealdeko paneleko botoia edo VOL +/- urrutiko aginteko botoiak.
4.5 Tenporizadorearen funtzioak
- AI Sleep Timer: This function allows the unit to automatically turn off after a set period, useful for listening to music while falling asleep.
- Advanced Timer: The unit features an advanced timer for scheduled recording or as an alarm function. Consult the full manual for detailed programming instructions.
5. Mantentzea
To maintain the performance and appearance of your Bose RA-8, follow these guidelines:
- Garbiketa: Garbitu unitatea zapi leun eta lehor batekin. Orban egoskorretarako, erabili zapi leun bat.ampened with water or a mild detergent, then wipe dry. Do not use abrasive cleaners, alcohol, benzene, or thinners, as these can damage the finish.
- Aireztapena: Periodically check that the ventilation openings are free from dust and obstructions.
- Elikatze kablea: Inspect the power cord regularly for any damage. If damaged, discontinue use and contact qualified service personnel.
6. Arazoak
If you experience problems with your Bose RA-8, refer to the following common issues and solutions:
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Botererik ez | Kable elektrikoa ez dago konektatuta; Entxufea akastuna | Ziurtatu kablea ondo konektatuta dagoela; Saiatu beste entxufe batekin. |
| Soinurik ez | Volume too low; Incorrect input source selected; Speaker cables disconnected | Increase volume; Select correct input source; Check speaker connections. |
| Poor FM/AM reception | Antenna not connected or poorly positioned; Interference | Connect and adjust antenna position; Move unit away from other electronic devices. |
| Urruneko kontrola ez dabil | Batteries depleted; Obstruction between remote and unit | Ordeztu urrutiko agintearen pilak; kendu oztopo guztiak. |
If the problem persists after trying these solutions, please contact Bose customer support or a qualified service technician.
7. Zehaztapenak
| Ezaugarri | Zehaztapena |
|---|---|
| FM Tuner Atala | |
| Frequency Range (STEP) | 76 - 108 MHz (100 kHz step) |
| Practical Sensitivity | 14.2 dBf (MONO) |
| S/N Ratio (65 dBf) | Monaural: 75 dB or more |
| Frequency Characteristics (Stereo) | 30 - 15,000 Hz (+1 dB, -3 dB) |
| Distortion (IHF, 65 dBf, Monaural 1 kHz) | %0.4 edo gutxiago |
| Estereo bereizketa (1 kHz) | 40 dB edo gehiago |
| AM Tuner Atala | |
| Frequency Range (STEP) | 531 - 1,629 kHz (9 kHz step) |
| Practical Sensitivity (Loop Antenna) | 57 dBμV/m |
| Distortsio harmoniko osoa | %0.9 edo gutxiago |
| S/N Ratio (80 dB/m) | 40 dB edo gehiago |
| Stereo Separation (400 Hz) | 20 dB edo gehiago |
| Ampatal biziagoa | |
| Practical Maximum Output (1 kHz, EIAJ) | 25 W + 25 W (6Ω) |
| Distortsio harmoniko osoa | %0.03 edo gutxiago |
| Karga Inpedantzia | 6Ω - 16Ω |
| Sarrerako sentikortasuna/inpedantzia (1 kHz) | CD: 200 mV/47 kΩ MD: 200 mV/47 kΩ TAPE/AUX: 200 mV/47 kΩ |
| Maximum Allowable Input (1 kHz) | CD, MD: 3 V (THD 1.0%) |
| Irteera boltage (1 kHz) | MD/TAPE/AUX: 200 mV/47 kΩ |
| Irteerako inpedantzia (1 kHz) | MD/TAPE/AUX: 2.2 kΩ |
| Frequency Characteristics (1 W) | CD, MD, TAPE/AUX: 10 - 70,000 Hz (+3 dB, -3 dB) |
| S/N erlazioa | CD, MD, TAPE/AUX: 80 dB or more |
| Orokorra | |
| Energia hornidura boltage | 100 V AC |
| Elikatze-horniduraren maiztasuna | 50/60 Hz |
| Energia-kontsumoa | 40 W |
| Power Outlet (Non-interlocked, Max) | 100 W |
| Kanpoko neurriak (W x H x D) | 200 x 72.5 x 280 mm |
| Weight (Main Unit Only) | 3.1 kg |
| Konektibitate Teknologia | AUX |
| Kontrol-metodoa | Urrunekoa |
8. Bermea eta Laguntza
Bose products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your product or visit the official Bose website. For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact Bose customer support through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.
Informazio gehiago lortzeko, bisita dezakezu Bose Store on Amazon.co.jp.
