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    Sure Electronics AA-JA32473 2 x 30 Watt Class D Audio Amplifier Board with Audio DSP - JAB3-30

    € 47,25 7 In stock: delivery time 1-4 business days
    The Sure Electronics AA-JA32473 2 x 30 Watt Class D Audio Amplifier Board with Audio DSP - JAB3-30 is an amplifier board easily built in to any project, speaker build or other DIY project in need of a small amplifier board.... Show more
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    Product description

    The Sure Electronics AA-JA32473 2 x 30 Watt Class D Audio Amplifier Board with Audio DSP - JAB3-30 is an amplifier board easily built in to any project, speaker build or other DIY project in need of a small amplifier board.

     

    Highlights

    • ADAU1707 Audio DSP Integrated
    • PBTL Configurable
    • Fully Compatiable with JAB1 and JAB2
    • USBi or WONDOM In-Circuit Programmer
    • Debug Port for Sigma Studio through original

     

    Connections:

     

     

    High Quality Audio Performance

    The Sure Electronics AA-JA32473 2 x 30 Watt Class D Audio Amplifier Board with Audio DSP - JAB3-30 delivers high quality sound without drawing a lot power. The JAB series amplifier boards support Parallel Bridge Tied Load mode, under which two outputs are connected together as one channel. Under PBTL (mono) mode, either of the two inputs can work as the input connector. If audio signal is transmitted to both of the two inputs, the outputs are mixed. Connect the positive and negative output together for best efficiency

     

    Compatible with JAB1/ 2

    JAB1 and JAB2 provide a stereo solution for portable Bluetooth speakers with MPPT battery charging. More than the headphone amplifier, JAB3 also provides a flexible DSP solution. This means, when working with JAB1/2 main boards, it is a complete 4.0 (BTL), 2.1 and 0.2 (PBTL) audio system with control interfaces and signal processing. The application ranges from active louderspeaker concepts (digital 3 way 3 unit, 2 way 2 unit crossover, bass enhancement, etc.) and realize the transformation from 2.0 to 2.1 (when used with JAB2). With four potentiometers, customers can get the default function and adjust the volume of audio input, gain, cut-off frequency of bass and treble.

     

    DSP Integration

    With integrated debug port for Sigima Studio, customers can pre-program with Sure Electronics ICP1, ICP2 or the original Analog USBi to get more functions which includes equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, etc. The on board fully programmable 28-/56-bit audio DSP ADAU1701 from Analog device is competent in various signal processing applications. This process can compensate for real-world limitations of speakers, amplifiers, and listening environments, providing dramatic improvements in perceived audio quality. Most process is done in full 56-bit, double precision mode, resulting in very good low level signal performance. Two Σ-Δ ADCs and four Σ-Δ DACs integrated in this DSP provide a 98.5 dB analog input to analog output dynamic. Each ADC has a THD + N of -83 dB, and each DAC has a THD + N of -90 dB. The popular applications are active louderspeaker, public address system and active subwoofer, including stereo high pass filter and mixed low pass filter, also named with powered speaker controller, demonstrated on this board as follows.

      

    Extremely low standby power

    The Sure Electronics JAB3-30 will remain powered up to 7 days in standby mode even while Bluetooth is enabled. This standby time is approximately 4x longer than the competition due to the use of a high efficiency DC/DC converter which minimizes power consumption thanks to the employment of a micro controller as the PMU (Power Management Unit).

     

     

     

     

    Applications

     

     

    Package includes

    • 1 x Sure Electronics JAB3-30 2 x 30 Watt Class D Audio Amplifier Board with Audio DSP
    • 1 x power cable
    • 1 x 4-conductor speaker cable
    • 1 x 5mm jack cable 

    Specifications

    Article number
    AA-JA32473
    Rated power output
    2 x 30 watts at 8 ohms
    Minimum load
    8 ohms
    Efficiency
    91 %
    Signal-to-noise ratio (SNR)
    85 dB
    Distortion
    <p>0.10 % THD+N at 1 kHz, 8 ohms, 1 watt</br>0.12 % THD+N at 1 kHz, 8 ohms, 10 watts</br>
    Frequency response
    -
    Gain
    26 dB
    Input sensitivity
    0.4 V
    Input impedance
    10k ohms
    Amplifier Classification
    class D
    Circuit Topology
    Texas Instruments TPA3118
    Speaker output channels
    2
    Input connection type
    4 pin PCB connector
    Speaker output connection type
    4 pin PCB connector
    DSP function
    check
    Bluetooth
    -
    EQ Adjustment
    check
    Power Requirements
    11 - 24 VDC
    Power inlet connector
    2 pin PCB connector
    Current limit
    7.5 A
    Under/over voltage protection
    -
    Dimensions (L x W x H)
    91 x 69 x 23 mm
    Mounting hole spacing
    84 x 61 mm
    Mounting hole diameter
    3.5 mm

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    AA-JA32473 2 x 30 Watt Class D Audio Amplifier Board with Audio DSP - JAB3-30
    € 47,25
    AA-JA32473 2 x 30 Watt Class D Audio Amplifier Board with Audio DSP - JAB3-30
    AA-JA32473
    7 In stock: delivery time 1-4 business days
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