1. Pengenalan
The SMSL A300 is a high-performance Class D integrated amplifier designed for audiophiles. It features Bluetooth 5.0 connectivity, multiple input options, and the ability to configure a 2.1 audio system. This manual provides detailed instructions for setting up, operating, and maintaining your A300 amppelapis untuk memastikan prestasi optimum dan jangka hayat.
2. Maklumat Keselamatan
- Jangan dedahkan unit ini kepada hujan atau lembapan.
- Jangan buka unit ini. Rujuk semua servis kepada kakitangan yang berkelayakan.
- Pastikan pengudaraan yang betul di sekeliling unit untuk mengelakkan terlalu panas.
- Gunakan hanya penyesuai kuasa dan kabel yang dinyatakan.
- Jauhkan unit daripada sumber haba, cahaya matahari langsung dan medan magnet yang kuat.
3. Produk Lebihview
Susun Atur Panel Depan dan Belakang
Figure 3.1: SMSL A300 Front and Rear Panel with labeled components.
The diagram above illustrates the various components and connections on the front and rear panels of the SMSL A300 amplifier. Each numbered item corresponds to the description below:
- Skrin Paparan: Shows current volume, input, and menu settings.
- Tetingkap Jauh: Penerima inframerah untuk alat kawalan jauh.
- Tombol: Kawalan berbilang fungsi untuk pelarasan kelantangan dan navigasi menu.
- Butang Input: Memilih sumber input audio.
- Butang Menu: Mengakses ke amplifier's settings menu.
- Butang Hidup/Mati: Menghidupkan atau mematikan unit.
- Input Analog 2: RCA input for external audio devices.
- Input Analog 1: RCA input for external audio devices.
- Right Channel Output (BTL): Speaker output for BTL (Bridge-Tied Load) mode.
- Connect to Computer (USB): USB input for connecting to a computer (supports up to 45kHz).
- Antena Bluetooth: For wireless Bluetooth reception.
- Output Saluran Kanan: Standard speaker output for the right channel.
- Output Saluran Kiri: Standard speaker output for the left channel.
- Input Kuasa: Menyambung ke kabel kuasa AC.
- Keluaran Subwoofer: Pre-output for connecting an active subwoofer.
4. Ciri-ciri
- Advanced Volume Control: Utilizes the Japanese NJRC NJW1194 electronic volume control chip for precise volume adjustment and minimal distortion.
- BTL (Bridge-Tied Load) Technology: Enhances power output and efficiency, allowing for up to 165W per channel into a 4Ω load in mono ampmod ditingkatkan.
- Berprestasi Tinggi AmpCip penguat: Incorporates the German Infineon MA5332MS digital high-power amplifier chip for high efficiency and low energy consumption.
- Pilihan Input Serbaguna: Supports RCA, USB, and Bluetooth 5.0 inputs for broad compatibility with various audio sources.
- 2.1 Audio System Capability: Features a dedicated subwoofer signal pre-output and a built-in high-pass filter circuit, enabling easy connection of an active subwoofer to form a 2.1 system.
- Penyesuaian Bunyi: Offers 8 preset EQ options and adjustable treble/bass controls to fine-tune the sound to your preference and speaker characteristics. Includes SMSL SDB patented sound effects.
- Pembinaan Teguh: Crafted from aluminum alloy with precision CNC-processing, anodizing technology, and chamfering for a durable and refined finish.
- Operasi Mesra Pengguna: Intuitive operating system with a full-featured remote control for convenient use.
5. Persediaan
5.1 Pembesar Suara Penyambung
A300 amplifier supports both normal stereo mode and BTL (Bridge-Tied Load) mono mode for increased power output to a single speaker.
Figure 5.1: Normal Mode vs. BTL Mode Speaker Connections.
- Normal Mode (Stereo): Connect your left speaker to the 'Left' output terminals and your right speaker to the 'Right' output terminals on the rear panel. Ensure correct polarity (+ to + and - to -).
- Mod BTL (Mono): For higher power to a single speaker, connect the speaker to the dedicated 'Right Channel Output during BTL' terminals. Refer to the amplifier's menu to activate BTL mode (display will show 'br1' for mono, 'br0' for stereo).
5.2 Connecting a 2.1 Audio System
To enhance bass performance, you can connect an active subwoofer to the A300 amplifier to create a 2.1 audio system.
Figure 5.2: 2.1 Audio System Connection.
- Connect your passive speakers to the 'Left' and 'Right' channel outputs as described in Normal Mode.
- Connect the 'Subwoofer Output' (15) on the rear panel of the A300 to the input of your active subwoofer.
- The A300 features a built-in high-pass filter to optimize sound distribution between your main speakers and the subwoofer.
5.3 Sambungan Input
- RCA Inputs (Analog 1 & 2): Sambungkan sumber audio analog (cth., pemain CD, meja putar dengan pra-amp) to the 'Analog Input 1' (8) or 'Analog Input 2' (7) using RCA cables.
- Input USB: Connect a computer to the 'Connect to Computer (USB)' (10) port using a USB cable. This input supports audio up to 45kHz.
- Bluetooth: Ensure the Bluetooth antenna (11) is securely attached. For pairing, refer to the 'Operation' section.
6. Operasi
6.1 Kawalan Asas
- Hidupkan/Mati Kuasa: Press the 'On/Off button' (6) on the front panel.
- Pelarasan Kelantangan: Rotate the 'Knob' (3) to adjust the volume level.
- Pemilihan Input: Press the 'Input button' (4) to cycle through available input sources (RCA 1, RCA 2, USB, Bluetooth).
- Navigasi Menu: Press the 'Menu button' (5) to enter the settings menu. Use the 'Knob' (3) to navigate and select options.
6.2 Alat Kawalan Jauh
The A300 comes with a full-featured remote control for convenient operation from a distance. Point the remote towards the 'Remote Window' (2) on the front panel. The effective distance is typically 0-10 meters.
6.3 Berpasangan Bluetooth
Rajah 6.1: Kesambungan Bluetooth 5.0.
- Select Bluetooth as the input source using the 'Input button' (4) or the remote control.
- On your Bluetooth device (smartphone, tablet, etc.), search for available Bluetooth devices.
- Select "SMSL A300" from the list to pair. Once paired, the display will indicate a successful connection.
6.4 Tetapan Bunyi
- Pratetap EQ: Access the menu to select from 8 preset EQ options to tailor the sound profile.
- Treble/Bass Adjustment: Within the menu, you can manually adjust treble and bass levels to suit your listening preferences and speaker characteristics.
6.5 Tetapan Paparan
The display brightness can be adjusted through the menu settings to match your environment.
7. Spesifikasi
| Spesifikasi | Nilai |
|---|---|
| Jenama | SMSL |
| Nombor Model | A300 |
| Kuasa Output (4Ω) | 165W x 2 (Stereo), 330W x 1 (BTL) |
| Kuasa Output (8Ω) | 85W x 2 (Stereo) |
| Bilangan Saluran | 2 |
| THD+N | 0.004% |
| Input | RCA (x2), USB, Bluetooth 5.0 |
| Keluaran | Speaker Terminals, Subwoofer Pre-out |
| Dimensi Item (L x W x H) | 8.26 x 7.8 x 1.6 inci |
| Berat Barang | 2.86 paun |
| Voltage | 220 Volt (AC) |
| Pengeluar | SMSL |
8. Penyelesaian masalah
- Tiada Bunyi:
- Check all cable connections (power, input, speaker).
- Pastikan sumber input yang betul dipilih.
- Sahkan sambungan dan kekutuban pembesar suara.
- Periksa tahap kelantangan pada kedua-dua amppengalir dan peranti sumber.
- If in BTL mode, ensure the speaker is connected to the correct BTL output.
- Bluetooth Tidak Bersambung:
- Ensure Bluetooth input is selected on the A300.
- Make sure the Bluetooth antenna is securely attached.
- Delete "SMSL A300" from your device's Bluetooth list and try pairing again.
- Gerakkan peranti anda lebih dekat ke amplebih hidup.
- Bunyi Herot:
- Kurangkan tahap kelantangan.
- Periksa sambungan kabel yang longgar.
- Ensure your speakers are compatible with the ampkeluaran kuasa penguat.
- Alat Kawalan Jauh Tidak Berfungsi:
- Periksa bateri di alat kawalan jauh.
- Pastikan tiada halangan antara alat kawalan jauh dan alat kawalan jauh amplifier's remote window.
- Point the remote directly at the remote window.
9. Penyelenggaraan
- Pembersihan: Gunakan kain lembut dan kering untuk membersihkan bahagian luar unit. Jangan gunakan pembersih cecair atau aerosol.
- Pengudaraan: Ensure the ventilation openings are clear and not obstructed by dust or other objects.
- Storan: Jika menyimpan unit untuk tempoh yang lama, putuskan sambungannya daripada bekalan kuasa dan simpan di tempat yang sejuk dan kering.
10. Waranti dan Sokongan
S.M.S.L is committed to providing excellent products and services. All S.M.S.L products purchased from authorized retailers are 100% authentic.
- Tempoh Waranti: Products typically come with a 1-year warranty from the date of purchase (may vary depending on product and region).
- Sokongan Pelanggan: For any questions or assistance, please contact the seller or S.M.S.L customer service. Online support is available.
