Allo - DigiOne Signature - S/PDIF card

3,190 SEK2,250 SEK

Lowest price in the last 30 days3,190 SEK

The Allo DigiOne Signature Transport card is designed to work with an RPi to create the best network player without a D/A converter that Allo has produced to date. This is a "re-clocker", ie the card has its own clocks which means it doesn't have to rely on the RPI's clocks which introduce jitter. It is also galvanically isolated. The "clean" board (ie this board) is isolated (ground and signals) from the dirty side (the RPI board). NOTE! This is only about the "transport card" itself. To get a complete player you need: * a built-in box (see Built-in boxes). * 2 pcs 5V DC power supplies (see DC power supplies). * an RPi single board computer - Version 3B(+)/4 * an SD card (at least 8MB but preferably 16MB) with the selected OS on it. If you are unsure how to solve mounting etc. but still interested in testing an RPi-based network player, it might be a better option to order a ready-made DigiOne Signature Player - S/PDIF Out NOTE! DigiOne Signature requires 2 power supplies. One feeds the RPi board and the other feeds the DigiOne Signature board.

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Description

Article no.: ALLODIGOONESIGNATURECARD

DigiOne Signature Our regular DigiOne has no equal. In our quest for digital perfection we asked how we can improve the design and give you the ultimate DigiOne. First, we decided to use more board space (we are using 2 boards), the PCB area increased 220%. First board is the “dirty side” and top board has the “clean side”. With the extra space, we used the best decoupling capacitors (film) on everything that’s important (clocks, buffers, flip flops). Also, with this extra space we added a supercap on the “clean side” so most of the electrons come from this onboard “buffer” (there is so much power onboard that DigiOne Sig can run a few seconds without any power attached to the clean side). We also decided to use 2 power supplies. The “dirty power” needs 5V /2-3A (RPI power). The “clean side” needs about 100mA and accepts from 5V to 6V. You can use anything on it, linear power supply or pure batteries power. Thirdly, we changed the clocks to the latest from NDK (ultralow jitter SDA) that have lower phase noise than the previous generation. REMEBER! The Digione Signature needs 2 PSUs to run. You can purchase 1 x 5V 3A PSU to feed the dirty side. We strongly recommend you purchase the battery pack or use a very good power supply for the clean side. If you want to use the Digione Signature right away, you can purchase an additional 5V PSU from us, but we dont recommend this set up. Features * It’s a "re-clocker". The unit has its own clocks so it does not rely on the jittery RPI clocks * It's galvanically isolated. The clean board is isolated (ground and signals) from the dirty side * It needs 2 PSUs, one for 5V/2A-3A (RPI) and a second power 5V to 6V 100mA. We do recommend the cleanest power supply possible (batteries, linear but even a good SMPS will work) * Old driver is compatible for both units (chose DigiOne on your favorite player) * Measured jitter has decreased further, less than 400fs (tested at buffer) * Output is coaxial/BNC and rise/fall time is 1ns and voltage level is exactly as per guidelines (550mV on coaxial) measured at end of transmitting cables * Includes 2 x DC to Type C Adapter Cables * Includes 1 x DC 5.5 x 2.5 to DC 5.5 x 2.1 Adapter