Introduzione
Grazie per l'acquistuasing the S.M.S.L H400 Headphone Amplifier & Preamplifier. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read it thoroughly before use to ensure optimal performance and longevity.
Chì ci hè in u Box
- Cuffie SMSL H400 Amplifier & Preamplifier x 1
- Cuntrollu à distanza x 1
- Cavu di Alimentazione x 1
- Manuale d'uso x 1
- Carta di marca x 1
Product Overview
Panel frontale
Image: Fronte view of the S.M.S.L H400 Headphone Amplifier. The front panel features a digital display on the left, a large rotary volume knob in the center, and two headphone output jacks (one 4-pin XLR balanced, one 6.35mm unbalanced) on the right.
- Pantalla di visualizazione: Shows current volume level, input source, and other operational information.
- Manopola di Volume: Controls the output volume. Can also be pressed to access menu options.
- Uscite per cuffie: Includes a balanced 4-pin XLR output and an unbalanced 6.35mm (1/4 inch) output for connecting headphones.
Panel posteriore
Image: daretu view of the S.M.S.L H400 Headphone Amplifier. From left to right, it features balanced XLR inputs, unbalanced RCA inputs, balanced XLR pre-outputs, unbalanced RCA pre-outputs, a USB-C update port, a ground switch (Floating/Grounded), and the AC power inlet with an integrated power switch.
- Balanced Inputs (XLR): For connecting balanced audio sources.
- Unbalanced Inputs (RCA): For connecting unbalanced audio sources.
- Balanced Pre-Outputs (XLR): Per cunnette à l'alimentazione esterna amplifiers o parlanti attivi.
- Unbalanced Pre-Outputs (RCA): Per cunnette à l'alimentazione esterna amplifiers o parlanti attivi.
- UPDATE Port (USB-C): Per l'aghjurnamenti di firmware.
- Interruttore di Terra: Selects between Floating and Grounded modes to manage ground loops.
- Ingressu di alimentazione AC: Connects the included power cable.
- Switch di Potenza: Accende o spegne l'unità.
Istituisci
- Placement: Place the H400 on a stable, flat surface, ensuring adequate ventilation around the unit. Avoid placing it near heat sources or in direct sunlight.
- Cunnette Fonti Audio:
- For balanced sources, connect XLR cables from your source to the H400's Ingressi equilibrati (XLR).
- For unbalanced sources, connect RCA cables from your source to the H400's Unbalanced Inputs (RCA).
- Cunnette cuffie: Plug your headphones into either the Balanced 4-pin XLR or Unbalanced 6.35mm headphone output on the front panel.
- Cunnette à Power Amplifier (opcional): If using the H400 as a preamplifier, cunnette u Balanced Pre-Outputs (XLR) or Unbalanced Pre-Outputs (RCA) to your power amplifier o parlanti attivi.
- Cunnessione di putenza: Cunnette u cavu di alimentazione inclusu à Alimentazione AC on the rear panel, then plug the other end into a suitable AC power outlet (100-240V).
- Power On: Flip u Interruttore di putenza on the rear panel to the 'ON' position. The unit will power on, and the display will illuminate.
Istruzzioni di funziunamentu
Operazione basica
- Accensione / spegnimentu: Use the rear panel switch for main power. The remote control can put the unit into standby.
- Controlu di u voluminu: Girate u Manopola di Volume on the front panel or use the volume buttons on the remote control to adjust the output level.
- Selezzione di input: Press u Manopola di Volume briefly to cycle through available input sources (Balanced, Unbalanced). Alternatively, use the input selection buttons on the remote.
- Impostazione di guadagnu: The H400 offers High, Medium, and Low gain settings. These can be adjusted via the menu system, typically accessed by pressing and holding the volume knob or a dedicated button on the remote.
- Balanced Gain: Low (-5.8dB), Medium (6dB), High (20.4dB)
- Unbalanced Gain: Low (-11.8dB), Medium (0dB), High (14.4dB)
Control remoto
The included remote control provides convenient access to all functions, including power, volume, input selection, and menu navigation. Ensure the remote has fresh batteries and an unobstructed line of sight to the H400's front panel sensor.
Mantenimentu
- Pulizia: Aduprate un pannu dolce è asciuttu per pulisce l'esternu di l'unità. Ùn aduprate micca detergenti liquidi o solventi.
- Ventilazione: Assicuratevi chì e aperture di ventilazione ùn sò micca bluccate per prevene u surriscaldamentu.
- Spegnimentu: Always power off the unit using the rear switch when not in use for extended periods.
Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| Nisun putere | Power cable not connected; Rear power switch off; Power outlet faulty. | Check power cable connection; Ensure rear power switch is ON; Try a different power outlet. |
| Nisuna uscita di sonu | Incorrect input selected; Volume too low; Headphones not connected properly; Source device not playing. | Select correct input; Increase volume; Reconnect headphones; Verify source device is playing audio. |
| Sonu distortu | Input signal too high; Gain setting too high; Faulty cables. | Reduce source volume; Adjust H400 gain setting; Check and replace cables if necessary. |
| U cuntrollu remoto ùn funziona micca | Batterie scariche; Ostruzione trà u telecomandu è l'unità; Sensore di u telecomandu bluccatu. | Replace batteries; Remove obstructions; Ensure clear line of sight to the unit's front panel. |
Specificazioni
| Parametru | Valore |
|---|---|
| Preamp Metudu di output | Equilibré, déséquilibré |
| Output Power (16Ω) | 15W x 2 |
| Output Power (32Ω) | 7.5W x 2 |
| Output Power (300Ω) | 1000 mW x 2 |
| Output Power (600Ω) | 550 mW x 2 |
| SNR | 133 dB |
| Gamma Dinamica | 133 dB |
| THD + N | -123dB, 0.00006% (1kHz, 32Ω) |
| Impedenza di input | 47kΩ |
| Impedenza di uscita di cuffie | Approximately 0Ω |
| Preamp Impedenza di output (equilibrata) | 44 Ω |
| Preamp Output Impedance (Unbalanced) | 22 Ω |
| Risposta di Frequency | 20 Hz-100 kHz (-0.5 dB) |
| Gain (Balanced) | Low (-5.8dB), Medium (6dB), High (20.4dB) |
| Gain (Unbalanced) | Low (-11.8dB), Medium (0dB), High (14.4dB) |
| Consumption (EN60065) | <50 W |
| Cunsumu di energia in standby | <0.5 W |
| Dimensioni (LxAxP) | 254 x 46 x 189 mm |
| Pesu | 2.03 chilò / 4.47lbs |
Garanzia è Supportu
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official S.M.S.L websitu. Conservate a vostra prova d'acquistu per e richieste di garanzia.
