The Pro iDSD however is fully-balanced from beginning to end. Those using ‘2-Track’ volume controls may offer balanced in and out but are not true balanced designs. ![]() This is the litmus test for any amplifier to see if it is truly balanced or operates internally in single-ended mode. This is the ‘6-Track’ version with 4 tracks used for a true balanced volume control. The Pro iDSD has a premium Japan Alps motorised rotary volume potentiometer. The resulting circuit may be best described as a ‘tri-brid’ where each device is used to greatest sonic advantage while minimising any drawbacks.įurthermore, the circuit is pure DC coupled to avoid using any sonically-degrading coupling capacitors. The amplifer audio circuit is fully discrete, fully-balanced with either tube or J-FET input switchable, bipolar second stage and MOSFET-buffered bipolar class A Power stage. With LINKPLAY™ WiFi/network playback, built-in Spotify and Tidal, and wide protocol support for 32-Bit/192kHz and DSD64, the Pro iDSD can directly link to a router for online music play. The Pro iDSD can directly link to a router for online music play. This results in the best sonics of both worlds because the signal path is the shortest and there is no compromise to ‘shoe horn’ the tubes into an already existing solid-state circuit. Unlike other amplifiers that have the same circuit and just switch in/out the tube section, the Pro iDSD is the very first of its kind that has two individual input circuits – one tube and one Solid-State. Second and just as important is the circuit design. The data from the Memory Buffer is further re-clocked by with the low-jitter Global Master Timing® clock, which also drives the X-Core 200 and FPGA.įirstly, we use the best tubes - General Electric 5670. Here it is de-jittered to eliminate any transmission of source jitter to the DAC output. In fact, the Pro iDSD can handle all audio formats to to DSD1024 or DSD512 or PCM 768kHz with user-selectable digital filters.įor all inputs data is sent to the Memory Buffer. This is where we believe FPGA excels, by handling the remastering duties to attain the DSD1024 audio format. It can decode signals from all Inputs, from USB (up to 768kHz/DSD512), AES/EBU or S/PDIF (up to 192kHz/24Bit) and Wifi/Network/Mass-storage (up to 192kHz/32Bit).Ī first! The Pro iDSD brings Studio Grade DSD1024 to a wider audience.įor the DSD1024, if the MultiBit DAC is one half of the ‘heart’ of the Pro iDSD’s digital engine, then the other half is surely the Crysopeia FPGA. ![]() The new XMOS XU216 X-Core 200 Series 16-Core processor has a maximum of 2,000 MIPS (two billion instructions per second) calculation power in dual-issue mode as a USB interface.Īll-digital processing is Bit-Perfect, without employing ASRC or up-sampling unless digital filters are explicitly selected. The “interleaved” configuration means that up to eight pairs of differential signals can be used and mixed - four pairs of signals per channel. The gang of four - a quad “stack” of Bit-Perfect DSD and DXD DACs by Burr-Brown. This is ground-breaking technology at its finest. The Pro iDSD has four, making it the only ‘Quad-Stack’ DAC on the market.īut what really sets it apart is that it comes with: Other DACS use just one Burr-Brown Bit-Perfect chip. ![]() IPurifier2- Type A (with micro USB pigtail Mercury cable 3.0 (USB3.0 ‘B’ connector) 1.0m ![]() Mercury cable 3.0 (USB2.0 ‘B’ connector) 1.0m Mercury cable 3.0 (USB3.0 ‘B’ connector) 0.5m Mercury cable 3.0 (USB2.0 ‘B’ connector) 0.5m
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