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Fubar4
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Fubar4 DAC + Headphone Amplifier
The Fubar4 is a superb 24Bit/96kHz DAC + Integrated Headphone amplifier + RCA outputs (analog) to connect to your audio rig. You get HiFi music direct from your PC to connect to your home stereo, or you can use the built-in headphone ampifier to drive your headphone. Sound source can be USB or S/PDIF, coaxial as well as optical.
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Take a closer look ! (click to view)
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Features
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USB input: Plug & Play via USB. Requires no addition software or drivers. 16 bit performance
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S/PDIF inputs: Digital inputs for both Digital Coax and Optical, with 24 Bit 96kHz DAC.
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Headphone Output: 1/4" (6.4mm) headphone jack. This amplifier will perfectly drive bigger audiophile headphones with ease.
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Gain Switch: External gain switch to optimize with your headphones. Compatible with 32 - 600 Ohm impedance.
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RCA Outputs: Gold Plated RCA outputs to connect to your home stereo for playback over speakers.
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Volume Control: Controls headphone output only, not the line-out RCA outputs, wich are fixed level line-out
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Changeable OpAmps: The OPA2604 OpAmp in the headphone amplifier are changable.
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Color of faceplate: Available in your choice of Black and Silver face plates.
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Specifications
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Amplifier Structure : Coupling capacitor less, Push-Pull with Class-B
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Linear Output : RCA output 2Vrms, delay time phone out funtion
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Power Structure : Switching power supply, Soft-Star circuit
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Gain Control : Low (attenuation 20dB) / High (normal)
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Volume Control : Series / shunt mode selectable
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Headphone Impedence : 32 ohm to 600 ohm
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Circuit Protect : Output short / over current protect
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Support Format : 16-bit, 32 / 44.1kHz / 48kHz
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USB Chip : CMedia - CM108
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Receiver Chip : TI – DIR9001
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DAC Chip : TI – PCM1754
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LPF OPAmp : TI – OPA2134
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Main OPAmp : TI – OPA2604
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Servo OPAmp : TI - TL072
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Housing dimensions : 117 x 80 x 50 mm (D x W x H). Housing only without parts 'sticking out' like volume buttons, connector parts, etc.
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Weight : 327 gram (without external power supply)
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Audio Performance
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Audio Performance SPDIF Coaxial / Optical input - RCA Line output (1kHz sine wave, 2Vrms output)
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Frequency response (From 40Hz to 15kHz) : 40Hz +0.01dB, 15kHz -0.07dB
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Noise level (1kHz, A-Weighted) : -95.4dB
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Dynamic range (1kHz, A-Weighted) : 95.1dB
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THD% : 0.0034%
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Stereo crosstalk : -95.8dB
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Audio Performance Coaxial / Optical input - Headphone output (1kHz sine wave, 2Vrms output)
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Frequency response (From 40Hz to 15kHz) : 40Hz +0.02dB, 15kHz -0.07dB
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Noise level (1kHz, A-Weighted) : -94.0dB
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Dynamic range (1kHz, A-Weighted) : 94.0dB
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THD% : 0.0032%
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Stereo crosstalk : -80.6dB
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Audio Performance USB input - RCA Line output (1kHz sine wave, 2Vrms output)
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Frequency response (From 40Hz to 15kHz) : 40Hz +0.02dB, 15kHz -0.08dB
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Noise level (1kHz, A-Weighted) : -93.8dB
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Dynamic range (1kHz, A-Weighted) : 93.3dB
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THD% : 0.0035%
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Stereo crosstalk : -93.5dB
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Audio Performance USB input - Headphone output (1kHz sine wave, 2Vrms output)
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Frequency response (From 40Hz to 15kHz) : 40Hz +0.02dB, 15kHz -0.08dB
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Noise level (1kHz, A-Weighted) : -90.4dB
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Dynamic range (1kHz, A-Weighted) : 90.4dB
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THD% : 0.0038%
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Stereo crosstalk : -80.7dB
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Connectivity
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USB input
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S/PDIF Input Coaxial
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S/PDIF input Toslink optical
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Line Outputs RCA Jacks (1 set)
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Headphone Jack 1/4" (6.4mm)
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System Requirements
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Intel® Pentium® 2, Celeron® 800MHz or higher computer system
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Microsoft® Windows 2000® (Service Pack 4) or Windows® XP (Service Pack 1)
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128MB RAM
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Available USB port
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Fubar IV
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DC24V 0.5A power adapter
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RCA wire
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USB wire
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User manual
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Warranty card
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Wrench
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