World Renowned Digital to Audio Converter with a Variety of Digital Filters. ESS Sabre DAC for superb sound quality Supports asynchronous USB High resolution support via USB Professional connectivity Renowned as one of the best DACs (Digital to Analogue Convertor) available The M-DAC Plus is a very special device. Banishing levels of jitter and distortion to the lowest levels possible, this DAC gives a natural and pure sound with low background noise. Alongside the USB input with Asynchronous data processing, there are two each of coaxial and optical digital inputs, and one each of coaxial and optical digital outputs. The audio signal is provided via RCA single-ended and XLR balanced audio outputs. While enjoying the high resolution audio via its digital inputs a wide choice of filters are available to optimise your listening experience for a variety of audio formats and personal preferences. Filters: Optimal Spectrum: This filter implements sampling theory and is designed for near perfect technical response in the frequency domain. Optimal Transient: This filter exhibits no ringing and the transient nature of the music is preserved. Although exhibiting ‘lesser’ performance in technical measurements, sound from this type of filter has a purity and ‘naturalness’ that more than compensates for the lack of technical specifications. There are three optimal transient folders which produce identical frequency and time domain response but the internal structure of the filter varies for subtle sonic nuances. Sharp Rolloff: This filter typifies industrial standard characteristics (-6dB at 1/2 Fs with significant time-domain ringing) and is included here for comparison purposes. Slow Rolloff: The slow rolloff starts rolling off at a lower frequency than the sharp rolloff but has a gentle rate of attenuation and significantly less ‘time domain ringing’ Minimum Phase: The minimum phase filter has a gentle attenuation slope similar to the slow rolloff option, however it exhibits no pre-ringing in the time domain. It can be likened to an analogue filter applied in the digital domain. Tech Specs: General description Digital-to-analogue converter DAC ESS Sabre32 9018 chip Resolution 32 bits Maximum Sampling Frequency 84.672MHz Digital input 2 x 24-bit/192kHz coaxial 2 x 24-bit/96kHz Toslink optical, 1 x 24-bit/96kHz USB Digital output 1 x coaxial 1 x Toslink optical Output voltage RCA: 2.25V RMS,XLR: 4.5V RMS Total Harmonic Distortion RCA: <0.002% XLR: <0.0008% Frequency response 20Hz – 20kHz (± 0.2dB) Dynamic range RCA: >115dB XLR: >122dB Crosstalk RCA: <-120dB XLR: <-130dB Dimensions (H x W x D) 59 x 250 x252mm Colour Black, Silver Standard accessories power cord, remote control handset, batteries, user manual
