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Solid-state headphone amplifier/preamp/DAC. The Hugo TT 2 is different from and better than the original Hugo TT in every way. It is quieter, yields unmeasurable levels of noise, offers greater dynamic range, provides a different and better power supply, produces much more output power, and incorporates a markedly improved DAC section. By design, the Hugo TT offers three distinct operating modes: “DAC mode” with fixed line-level outputs, “Amp mode” with variable-level rear-panel outputs, and “Headphone mode” with variable-level outputs from front-panel-mounted headphone jacks. Hugo TT 2 uses a 10-element digital filter that provides 98,304 taps and that runs a 16FS WTA 1 filter algorithm. Moreover, the DAC section provides four user-selectable sub-filter settings: Filter 1 “Incisive Neutral” (the recommended reference setting), Filter 2 “Incisive Neutral with HF roll-off,” Filter 3 “Warm,” and Filter 4 “Warm with HF roll-off.” Specifications: (7) Inputs: 2 x TosLink optical, 2 x coaxial BNC, 1 x driverless USB (16/48-capable, intended for use with tablets and smartphones), 1 x USB Type-B, and aptX Bluetooth interface. Outputs: (5) Analog: 1 x XLR, 1 x RCA, 2 x 6.35mm headphone jacks, 3.5mm headphone jack; Digital: 2 x DX BNC (expansion outputs). Formats supported: PCM from 44.1kHz to 768kHz sampling rates; DSD (via DoP) from DSD64 to DSD512. Digital filters: 98,304-tap 16FS WTA 1 (Watts Transient Alignment) digital filter. Dynamic range: 127dB (A-weighted). Noise: 4µV (A-weighted, high gain), 1.7µV (A-weighted, low gain) with no measurable noise floor modulation. Distortion: 0.00008% @ 2.5V, 300 ohms; 0.00016% @ 6W, 8 ohms. Power output (@1% THD): Unbalanced, 300 ohms: 288m, RMS, 8 ohms: 7.3W RMS; balanced, 300 ohms: 1.15W RMS, 8 ohms: 18W RMS.
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