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The LOCO-V2 DAC-AMP is a HAT board for the Raspberry Pi 2/3 model B. It provide a high
resolution DA converter and a class D power amplifier. Together with a Raspberry Pi it is your
complete solution for a media player or music streamer with outstanding sound quality. All you
need is to connect a power supply and to wire up your loudspeakers!
Specifications:
HAT board, compatible with Raspberry Pi 2/3 model B.
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No need to install drivers, the Raspberry Pi will detect the LOCO automatically.
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i2s audio from the Raspberry Pi up 32 bit/ 384 kHz.
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Bit perfect DA converter up to 32 Bit/384 kHz.
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Hardware volume control via ALSA, so there is no loss in bit-depth.
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Fully symmetrical signal path for low distortion.
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<0,005% THD+N at 1 watt/4 ohm.
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SNR (A Weighted) >111 dB (LS output).
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DC Power supply from 19 V to 35 V.
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Back power up to 3 A for the Raspberry Pi.
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Up to 153 Watt/4 ohm.
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Fully protected against faults with short-circuit protection, and thermal protection as
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well as over-voltage, under-voltage, and DC protection.
High quality components like low ESR capacitors, fully shielded coils and low noise
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regulators.
Fully tested for functions and reliability.
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Designed and hand assembled in the Netherlands.
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LOCO-V2 DAC-AMP
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Table of Contents
Summary of Contents for Dion Audio LOCO-V2
- Page 1 LOCO-V2 DAC-AMP The LOCO-V2 DAC-AMP is a HAT board for the Raspberry Pi 2/3 model B. It provide a high resolution DA converter and a class D power amplifier. Together with a Raspberry Pi it is your complete solution for a media player or music streamer with outstanding sound quality. All you...
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Page 2: Connecting The Loudspeakers
The following pictures shows how to mount the LOCO-V2 to the Raspberry Pi. Connecting The loudspeakers The LOCO-V2 is able to delivers up to 153 Watt at 4 ohm per channel, and the power amplifier is protected against faults with short-circuit protection, thermal protection, as well as over- voltage, under-voltage, and DC protection. - Page 3 – (left site) of the terminal block J3. When connecting the power-supply directly to the LOCO-V2, make sure that the + is connected to the right site, and the – is connected to the left site of the terminal block J3. WIRING THE POWER-SUPPLY THE WRONG WAY CAN DAMAGE THE LOCO-V2 AND THE POWERSUPPLY, so take precautions.
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Page 4: Test Procedure
24 V/120 VA power-supply, and the output power is measured by loading the LOCO-V2 with a white noise signal at 10 watts for 1 hour, and at 72 watts for ten minutes. If the LOCO-V2 passes these tests, all voltages are being measured at the regulators, at the filters, and at the capacitors.
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