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Chords all new Blu MK II CD Transport is by far the worlds best up-sampling CD player available. It uses Chord's famous FPGA technology to implement proprietary filtering and upscaling techniques. Pair this with the Dave DAC and you have the best sounding digital rig in the world.
Here is the rest of the info from Chord:
Blu MkII’s sophisticated WTA (Watts Transient Alignment) filtering and upscaling algorithms can output digital data at 705.6kHz (16 x CD’s 44.1kHz native resolution). When partnered with the critically acclaimed DAVE DAC/preamp, with its 705.6kHz-capable digital inputs, the Blu MkII sets a new technical benchmark for CD performance, while redefining sound quality from the medium.
At the heart of the Blu MkII lies an enormously powerful Xilinx FPGA. Rob Watts’ (Chord’s Digital Design Consultant) has used this to create his exclusive WTA M-Scaler technology, which incorporates the most advanced filter of its kind in the world. The Xilinx FPGA has also enabled a key breakthrough in tap-length (the technical indicator of how complex the interpolation filter is) taking Blu MkII to an unprecedented 1,015,808 taps.
A comprehensive suite of high-performance connectivity is offered and the Blu MkII also features a USB digital input, meaning that it can also be used a standalone high-performance upsampler, for use with other digital sources.
Further features include Chord Electronics’ legendary proprietary high-frequency switching power supply and a dedicated CD-only laser mechanism for an uncompromising performance.
Materials: Precision machined Choral aluminium casing designed by John Franks
CD Resolution: 44.1kHz – 705.6kHz (user configurable)
Connectivity (input): 1x USB input: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz, 705.6kHz, & 768kHz
1x BNC S/PDIF: 44.1kHz – 384kHz (upsampled)
1x Single AES Option: 44.1kHz & 88.2kHz
1x Dual AES Option: 88.2kHz & 176.4kHz
1x Single BNC S/PDIF Mode: 88.2kHz, 176kHz, & 352.8kHz
1x Dual BNC S/PDIF Mode: 176.4kHz, 352.8kHz, & 705.6kHz
User Configurable Options:
Selectable upsampling: 1x selectable switch providing three sample rates
Dither: On/Off (Only operational with 16bit source)
Control options: Manual
Remote control (included – upsampling modes not accessible via remote operation)
Chipset: Chord Electronics custom coded Xilinx XC7A200T FPGA
Tap-length: 1,015,808 (16FS filter)
FPGA current draw: 10amps
Frequency response: 0Hz (DC) – 20kHz +/- 0.0000001dB
In-band ripple 0Hz-20kHz: +/- 0.0000002dB
Stop band rejection: -135dB
THD and noise (24bit input): -144dB
Noise 2.6 uV ‘A’ weighted: No measurable noise floor modulation
Signal to noise ratio: 126dB ‘A’ Weighted
Power supply: 90v AC – 24v AC Auto-Switching
Power consumption: 30w
Dimensions: 333.5mm (W) x 98.5mm (H) x 142 (D)