Taidacent Overture аудио усилитель мощности серии высокой производительности 68 Вт 0P07 NE5534 бесшумный Lm3886 печатная

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Taidacent Overture Audio Power Amplifier Series High Performance 68W Audio Power 0P07 NE5534 Mute Lm3886 Amplifier PCB Circuit

 

DESCRIPTION

The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a 4Q load and 38W into 8Q with 0.1% THD+N from 20Hz-20kHz.The performance of the LM3886, utilizing its Self Peak Instantaneous Temperature (Ke)(SPiKe) protection circuitry, puts it in a class above discrete and hybrid amplifiers by providing an inherently, dynamically protected Safe Operating Area (SOA).
SPiKe protection means that these parts are completely safeguarded at the output against overvoltage, undervoltage, overloads, including shorts to the supplies, thermal runaway, and instantaneous temperature peaks.
The LM3886 maintains an excellent signal-to-noise ratio of greater than 92dB with a typical low noise floor of 2.0uV. It exhibits extremely low THD+N values of 0.03% at the rated output into the rated load over the audio spectrum, and provides excellent linearity with an IMD (SMPTE) typical rating of
0.004%.

 

 

 

Power supply voltage	AC12-28VX2
Output power	68WX2
Channel	2CH

 

Power supply voltage AC12-28VX2 (double AC)
Power supply recommended above 200W
Output power 68WX2
Output impedance 4-16 ohms
Channel 2-channel stereo
Circuit Architecture LM3886+0P07+NE5534
Features front-end regulated DC servo with protection
Protection features overheat DC short circuit protection
Size 149.6*135*52mm
Net weight about 550g
1. The maximum power depends on the power supply voltage and the horn impedance, THD = 0.1%, RL = 4QVS = ± 28V;
2. If it is a 4Q load, please not exceed the double AC20V voltage to avoid unnecessary loss;
3. Please pay attention to monitoring the temperature of the heat sink during use. If necessary, it is recommended to use a fan to assist heat dissipation;
4. Pre-amplification 5534 may have big S, JRC and other brands, random delivery, we do not discuss who's sound quality is better, the same model of the chip has the same technical parameters;
5. Design dimensions are for reference only and there are deviations in kind. Please refer to the customer service for details.