Fubar IV DAC / Headphone Amp

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Fubar IV
USB DAC / Headphone Amplifier

Includes Inputs For:

USB

Digital Coax

Toslink Optical

Experience a new level of musical enjoyment with the Fubar IV

The Fubar 4 combines a multiple input DAC and Hi-End Headphone Amplifier into one exceptional unit. Listen to music direct from your computer USB or use the 24/96 Digital Coax and Toslink Optical inputs from any digital component.

The Fubar IV lets you listen with your headphones from the 1/4" (6.4mm) jack or send your music directly to your stereo from the RCA outputs.

Premium features include:

USB input - Play music directly from your computer via USB. No additional software or drivers required for most users. (Windows 7 requires updated drivers for USB operation)
S/PDIF inputs - The Fubar 4 has inputs for both Toslink Optical and Digital Coax. Lets you connect your CD and DVD player or any device with a digital output.
Headphone Output - connect your favorite headphones to the 1/4" (6.4mm) headphone jack.
RCA Outputs - Using the Gold Plated RCA outputs you can connect the Fubar 4 Plus to your home stereo for playback over speakers.
Volume Control: Machined from a solid aluminum billet, controls the headphone output.
Gain Switch - The External gain switch lets you optimize the Fubar 4 Plus output for your headphones. Compatible with 32 - 600 Ohm headphones.
Changeable OpAmps: The OPA2604 OpAmp in the headphone amp section is changable allowing you to try the various OpAmps available including the OPA2627 SuperChip.
Fubar USB Installation Guidelines

Fubar 4 Rear Panel includes inputs for USB, Toslink Optical and Digital Coax.

Fubar IV DAC / Headphone Amplifier with Black face plate

Fubar IV DAC / Headphone Amp with Black Face Plate

Fubar IV DAC Headphone Amp with Silver Face Plate

Fubar IV DAC / Headphone Amp with Silver Face Plate

Fubar 4 Specifications

Detailed Specifications:

Amplifier Structure: Coupling Capacitor Less / Push-Pull
Line Level Output: RCA output 2 Vrms
Gain Control: High setting (normal) / Low setting provides 20dB attenuation
Volume Control: Series / Shunt - user selectable (default is Series)
Headphone Impedance: 32 Ohm to 600 Ohm
Circuit Protection: Output Short / Over Current Protection
Support Format: USB 16 Bit - 32 / 44.1 / 48 kHz (compatible with Windows, Mac and Linux)
S/PDIF max resolution 24 Bit/96 KHz
Input select: Auto Select - USB highest priority
USB Chip: CMedia - CM108
Reciever: Texas Instruments - DIR9001
DAC Chip: Texas Instruments - PCM1754
LPF OpAmp: Texas Instruments - PCM2134
Main OpAmp: Texas Instruments OPA2604 (Exchangeable)
Servo OpAmp: Texas Instruments TL072

Audio Performance

S/PDIF (Digital Coax and Toslink Optical input) - RCA outputs - (1 kHz Sinewave) 2 Vrms
Noise Level: (1 kHz A-weighted) -95.4 dB
Dynamic Range: (1 kHz A-weighted) 95.1 dB
THD%: 0.0032%
Stereo Crosstalk: -95.8 dB

S/PDIF (Digital Coax and Toslink Optical input) - Headphone output (1 kHz Sinewave 2 Vrms)
Noise Level: (1 kHz A-weighted) -94.0 dB
Dynamic Range: (1 kHz A-weighted) 94.0 dB
THD%: 0.0032%
Stereo Crosstalk: -80.6 dB

USB Input - RCA outputs (16 Bit / 48 kHz)
Noise Level: (1 kHz A-weighted) -93.8 dB
Dynamic Range: (1 kHz A-weighted) 93.3 dB
THD%: 0.0035%
Stereo Crosstalk: -93.5 dB

USB Input - Headphone output (16 Bit / 48 kHz)
Noise Level: (1 kHz A-weighted) -90.4 dB
Dynamic Range: (1 kHz A-weighted) 90.4 dB
THD%: 0.0038%
Stereo Crosstalk: -80.7 dB

Connectivity

USB input (1)
S/PDIF Input
- Digital Coax
- Toslink Optical
Line Outputs
- RCA Jacks (1 set)
- Headphone Jack 1/4" (6.4mm)

Click to enlarge image(s)

The Fubar 4 combines a multiple input DAC and Hi-End Headphone Amplifier into one exceptional unit. Listen to music direct from your computer USB or use Digital Coax and Toslink Optical inputs. The Fubar IV lets you listen with your headphones from the 1/4" (6.4mm) jack or send your music directly to your stereo from the RCA outputs.

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Fubar IV DAC / Headphone Amp