1. Uvod
SAMP-200 is a high-performance Class D power amplifier board designed for true high-end sound quality. It features an advanced integrated feedback design and proprietary high-speed gate driver error correction (PurePath Ultra HD) to maintain ultra-low distortion across the entire audio frequency band. This amplifier board operates in AD mode, offering significant power output and high efficiency with ultra-low idle losses.
2. Ključne karakteristike
- Utilizes two American TI-TPA3255 power amplifier modules for superior output power separation.
- Front-end differential input circuit with boost technology for enhanced dynamic range.
- Fully shielded, low-loss sealed inductors and imported filter capacitors ensure stable performance.
- Operates in AD mode with Class D efficiency.
- Unique 2 VRMS analog input interface for seamless connection with high-performance DACs (e.g., TI's PCM5242).
- High power efficiency with ultra-low power level idle losses (less than 2.5W).
3. Specifikacije
| Parametar | Vrijednost |
|---|---|
| Output Power (2 ohms) | 600W + 600W |
| Output Power (4 ohms) | 315W + 315W |
| Output Power (8 ohms) | 200W + 200W |
| Frekvencijski odziv | 20Hz - 30kHz |
| THD+N (1W/4 ohms) | 0.006% |
| THD+N (at clipping) | Manje od 0.01% |
| Napajanje Voltage | DC 19V do 52V |
| Veličina PCB | 138mm x 128mm |
| Kompatibilni stil audio i video opreme | Profesionalna audio oprema |
| Porijeklo | kontinentalna Kina |
Note: The power test results are measured at a 50V power supply. Using a lower voltage power supply (e.g., 24V or 36V) will result in reduced output power.
4. Sadržaj paketa
- 1 x SAMP-200 Digital Power Ampdaska za dizanje
5. Upute za postavljanje
Careful connection is essential for proper operation and to prevent damage to the amplifier board and connected equipment. Ensure all connections are secure before applying power.
5.1 Povezivanje napajanja
Connect a DC power supply within the range of 19V to 52V to the designated power input terminals on the board. Observe correct polarity (positive and negative). The terminals are typically labeled 'DC 19V-50V' or similar.
5.2 Priključak audio ulaza
Connect your audio source (e.g., DAC, preamplifier) to the 2 VRMS analog input interface. The input terminals are typically labeled 'INPUT L', 'G' (Ground), and 'R'. Use appropriate shielded audio cables to minimize noise.
5.3 Speaker Output Connection
Connect your passive speakers to the output terminals. Ensure correct polarity for each channel (Left+ L-, Right+ R-). The board supports speaker impedances of 2, 4, or 8 ohms. Verify your speakers' impedance matches the ampsposobnosti spasioca.
6. Uputstvo za upotrebu
Once all connections are made, you can begin operating the ampploča za spašavanje:
- Uključeno: Spojite napajanje na zidnu utičnicu. amplifier board should power on, indicated by any onboard LEDs (if present).
- Audio reprodukcija: Počnite reproducirati zvuk sa povezanog izvora.
- Kontrola jačine zvuka: Adjust the volume using your audio source or any external preamplifier connected to the input. This amplifier board does not have onboard volume control.
- Iskljuciti: Disconnect the power supply from the wall outlet to power off the ampploča za podizanje.
7. Održavanje
Kako biste osigurali dugovječnost i optimalne performanse vašeg ampploča za spašavanje, slijedite ove smjernice za održavanje:
- Održavajte čistoću: Regularly clean the board with a soft, dry cloth. Avoid using liquids or abrasive cleaners.
- Izbjegavajte vlagu: Zadrži amplifier board away from water, humidity, and other liquids.
- Spriječite statički elektricitet: Handle the board with care, especially when installing or removing, to avoid electrostatic discharge (ESD) which can damage components.
- Osigurajte ventilaciju: The heatsink is crucial for dissipating heat. Ensure it is not obstructed and that there is adequate airflow around the board, especially during prolonged operation at high power.
- Skladištenje: When not in use for extended periods, store the board in a dry, dust-free environment.
8. Otkrivanje problema
Ako naiđete na probleme sa svojim SAMP-200 amplifier board, refer to the following common problems and solutions:
8.1 Nema zvučnog izlaza
- Provjerite snagu: Ensure the power supply is correctly connected and providing the specified voltage (19V-52V jednosmjerne struje).
- Provjerite audio ulaz: Verify that the audio source is connected correctly to the input terminals and is playing audio.
- Provjerite priključke zvučnika: Ensure speakers are properly connected to the output terminals with correct polarity.
- Nivo glasnoće: Confirm that the volume on your audio source or preampŽivotni vijek nije postavljen na minimum ili utišan.
8.2 Iskrivljeni zvuk
- Ulazni nivo: Reduce the input signal level from your audio source. An excessively high input signal can cause distortion.
- Napajanje: Ensure the power supply is stable and can provide sufficient current for the desired output level. Fluctuations or insufficient current can lead to distortion.
- Impedansa zvučnika: Provjerite je li impedansa vaših zvučnika kompatibilna sa amplifier (2, 4, or 8 ohms).
8.3 Low Output Power
- Napajanje Voltage: As noted in the specifications, lower input voltage will result in reduced output power. Ensure your power supply is providing adequate voltage, ideally closer to the upper limit (52V) for maximum output.
- Impedansa zvučnika: Lower impedance speakers (e.g., 2 ohms) will draw more current and allow for higher power output compared to higher impedance speakers (e.g., 8 ohms) at the same voltage.
9. Savjeti za korisnike
- Izbor napajanja: For optimal performance and to achieve the advertised maximum output power, it is highly recommended to use a robust power supply capable of delivering up to 52V DC with sufficient current capacity (e.g., 20A or more). This will allow the amplifier to operate at its full potential.
- Upravljanje toplinom: While the board includes a heatsink, consider additional cooling solutions (e.g., a small fan) if operating at very high power levels for extended periods, especially if enclosed in a case.
10. Garancija i podrška
For any technical assistance, warranty claims, or support inquiries, please contact the seller or retailer from whom you purchased this product. Please provide your purchase details and a clear description of the issue to facilitate prompt support.





