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  1. #1
    Join Date: Mar 2019

    Location: New Jersey, USA

    Posts: 230
    I'm Leo.

    Default PecanPi Streamer - Ultra-High Fidelity Streamer (Plug and Play)

    Meet the PecanPi Streamer

    IMG_0356.jpg IMG_0355.jpg

    An ultra high performance ready to go, wireless high resolution music streamer. Control music wirelessly using your phone, tablet or computer.
    Fall in love with your music all over again.
    Can be connected to any existing stereo amplifier, AV receiver, or powered audio system, as well as headphones.

    Specifications for XLR Output:
    • Signal to Noise Ratio (SNR): 130dB (A-weighted)
    • Dynamic Range (DNR): 125dB
    • Total Harmonic Distortion + Noise (THD+N): -110dB or 0.0003%
    • Output Voltage: 5Vrms

    Specifications for RCA Output:
    • Signal to Noise Ratio (SNR): 127dB (A-weighted)
    • Dynamic Range (DNR): 121dB
    • Total Harmonic Distortion + Noise (THD+N): -110dB or 0.0003%
    • Output Voltage: 2.5Vrms

    Specifications for Headphone Amplifier:
    • 390mW peak power into 32 ohms
    • 780mW peak power into 16 ohms

    General Specifications:
    • Sample Rates: Up to 192kHz
    • Bit Rates: Up to 24-bit
    • Size: 125mm (5") x 125mm (5") x 70mm (2.8")
    • Bi-amp speakers by using XLR and RCA at the same time.


    Test Results:
    THD+N vs Frequency at 0dBFS (XLR)
    THD+N (XLR).jpg

    THD+N vs Level at 1kHz. (XLR)
    THD+N vs Level (XLR).JPG

    Jitter Spectrum and Noise 256k point FFT with 16 averages(XLR)
    Jitter (XLR).jpg

    Implementation Details:
    • DAC chips:
    • Dual flagship Burr-Brown PCM1794As in monaural mode
    • Digital HW Volume Control and Re-clocking:
    • Crystek CCHD-575 oscillator -- ultra low clock jitter of 82fSec
    • SRC4193 for volume control
    • Output stage: True balanced dual different output stages
    • Uses OPA1612s
    • Low Noise Panasonic Resistors
    • Proprietary filtering topology
    • Ultra low noise analog power supplies:
    • TPS7A4700 (4.17uV noise) for positive op-amp power supply
    • TPS7A3301 (16uV noise) for negative op-amp power supply
    • TPS7A4901 (15.4uV noise) for DAC Chips
    • Headphone driver:
    • Dual parallel OPA1622s


    It can be preordered here for $399.99 (20% off) until mid May:
    https://orchardaudio.com/shop?olsPag...s%2Fpcnp-strmr
    All preorders will ship between June and August.
    Last edited by orchardaudio; 23-03-2019 at 02:41.

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