Convertidor A/D Audio Research Reference DAC Digital Media Bridge
Oferta de una única unidad a desprecintar!!!
El Reference DAC Digital Media Bridge se define como un “portal” que acepta todo tipo de formatos digitales para procesarlos en una circuitería de conversión D/A ultraprecisa y una sección de salida cien por cien a válvulas. Basado en las soluciones tecnológicas utilizadas en productos de Audio Research tan emblemáticos como el procesador digital de audio DAC8 o el exclusivo preamplificador Reference Anniversary, el Reference DAC Digital Media Bridge combina un chasis de dimensiones y estética idénticas a las de otros preamplificadores de la serie Reference de la firma estadounidense con una circuitería de procesado que permite remuestrar las señales entrantes de 44’1 kHz o 48 kHz hasta, respectivamente, 176’4 o 192 kHz. El aparato puede conectarse a Internet tanto por cable como por vía inalámbrica, a la vez que permite acceder a los miles de emisoras de radio presentes en Internet.
Especificaciones Técnicas Audio Research Reference DAC:
Frequency Response: Analog tube amplifier: +0-3dB, 0.5Hz to 200kHz at rated output. 0.15dB 20Hz to 20kHz. (Balanced, 200k ohms load). Digital Bandwidth Anti-aliasing filter @ Sample rate: 44.1kHz = 22kHz, 48kHz = 24kHz, 88.2kHz = 44kHz, 96kHz = 48kHz, 176.4kHz = 88.2kHz, 192kHz = 96kHz.
Distortion: THD+N Less than .006% at 2V RMS BAL output.
Signal-Noise-Ratio: 106dB
Dynamic Range (AES17): 106dB
IMD (SMPTE): .007%
Gain: Max. Digital Gain: 25dB Balanced, 19dB SE.
Input Impedance: Digital: 75 ohms BNC, RCA, 110 ohms AES/EBU, OPT 660nm TOSLink fiber 44.1 to 96kHz.
Output Impedance: 600 ohms Balanced, 300 ohms SE Main (2), 20K ohms minimum load and 2000pF maximum capacitance.
Output Polarity: Non-inverting.
Rated Outputs: 2V RMS .5Hz to 100kHz into 200K ohm balanced load (maximum balanced output @ 0.0dB input level is 17V RMS at less than 0.05% THD+N at 1kHz) @ 192kHz sample rate.
Digital Sample Rates: 44.1kHz to 192kHz, SPDIF, USB 2.0 HS and Wired Ethernet. 96kHz max over Wireless Ethernet.
Master Oscillator: 22.579mHz ±20Hz for 44.1, 88.2 & 176.4kHz. 24.576mHz ±20Hz for 48, 96 & 192kHz sample rates.
Intrinsic Jitter: <10ps
Controls: Rotary volume selector (104 steps) and rotary input selector.
Push buttons: Power, <, Select, >, Exit, Mute.
Power Supplies: Electronically regulated low and high voltage supplies. R-core transformer & 7 low noise regulators. Automatic 45 sec. warm-up/brown-out mute. Line regulation better than .01%.
Noise: -101dBV RMS 20-20kHz A-weighted (Volume at 1)
Tube Complement: (4)-6H30 dual triodes, plus (1)-6550C and (1)-6H30 in power supply.
Crosstalk: -90dB
Power Requirements: 105-125VAC 60Hz (210-250VAC 50/60Hz) 140 watts maximum. Sleep mode 6 watts maximum.
Dimensions: 19" (48 cm) W x 7" (17.8 cm) H (standard rack panel) x 15.5" (39.4 cm) D. Handles extend 1.50" (3.8 cm) forward of the front panel.
Weight: 32.0 lbs. (14.6 kg) Net; 43.2 lbs. (19.8 kg) Shipping.
Dimensions | 48 x 17.8 x 39.4 cm (An x Al x Prof) |
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Digital_input | * |
Digital_output | * |
Sample_rate_tolerance | 44.1kHz to 192kHz, SPDIF, USB 2.0 HS and Wired Ethernet. 96kHz max over Wireless Ethernet. |
Unbalanced_Output | * |
Balanced_Output | * |