Features TOBBY 192K D/A CONVERTER Tobby is a 192K D/A Converter with dual-DAC chip. Adopting Dual-TI PCM1794 is to separately handle L-Channel and R-Channel to reach high-resolution in order to decrease SNR (Signal to Noise Ratio). Using various kinds of digital input model as Optical, Coaxial, USB, and XLR input let users to select. Supporting all digital inputs (Optical, Coaxial, USB, XLR) re-sampling frequency from 44.1kHz to 192kHz for users to choose its ideals and appropriate frequency of the sound. Appearance of Tobby with black and silver colors show the main brand image of Firestone Audio – Nobel, Steady, Positive that always deliveries the high quality sound for the consumers simply and naturally. Technical Specifications * Amplifier Structure : I/V Converter and Low-pass Filter * Power Structure : High efficiency / High quality DC-DC regulator Low noise / High precision linear regulator * Support Format : S/PDIF & AES/EBU : 24-bit / 192kHz USB : 24-bit / 192kHz * Circuit Protect : Output short / over current protect * Characteristic : D/A Converter, with Mono-mono structure and full differential balanced output * Source select : Coaxial, Optical, AES/EBU, USB * Frequency adjustable : 44.1kHz, 48kHz, 88.2kHz, 96kHz, 192kHz, byPass * Bit length adjustable : 16-bit, 24-bit, bypass * Digital Receiver : AKM - AK4113 * D/A converter : TI - PCM1794 x2 * USB decoder : XMOS - XS1 * OPAmp : TI - OPA2604 x7 Audio Performance (24-bit / 48kHz, @ 2Vrms, Coaxial in, XLR out, Pass mode) Frequency response (From 40Hz to 15kHz) : +0.02dB, -0.15dB Noise level (1kHz, A-Weighted) : -119.1dB Dynamic range (1kHz, A-Weighted) : 118.7dB THD% : 0.0002% Stereo crosstalk : -119.0dB
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