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Hi-Fi Amplifier > Fubar3 USB DAC/Headphone AMP > Firestone Audio Co., Ltd.

Fubar3 USB DAC/Headphone AMP


Firestone Audio Co., Ltd.

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Last update: 2010-04-20
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Fubar III is a USB DAC Headphone Amplifier.
Fubar III has the functions of Digital-Analog Converter and Headphone/Pre Amplifier. Adopting Universal Serial Bus you can simply Plug and play without installing any drivers (with Linux, Mac OS or PC Windows system). Only a few steps of use can make you feel the real and natural sound.

Technical Specifications
* Amplifier Structure : Coupling capacitor less, Push-Pull with Class-B Structure
* Power Structure : Virtual-Ground power supply
* Line Output : Signal same with phone output
* Gain Control : Low (attenuation 20dB) / High (normal)
* Volume Control : Series / shunt mode selectable
* Headphone Impedence : 32 ohm to 600 ohm
* Support Format : 16-bit, 32kHz / 44.1kHz / 48kHz
* Circuit Protect : Over current protect
* USB Chip : TI ? PCM2702
* LPF OPAmp : NS ? LM4562
* Main OPAmp : TI ? OPA2604
* Servo OPAmp : TI ? TL072

Audio Performance (1kHz sine wave, 2Vrms output, 16-bit / 48kHz)
Frequency response (From 40Hz to 15kHz) : 40Hz +0.01dB, 15kHz -0.12dB
Noise level (1kHz, A-Weighted) : -96.1dB
Dynamic range (1kHz, A-Weighted) : 96.1dB
THD% : 0.0018%
Stereo crosstalk : -90.0dB

* USB interface (USB V1.1)
* Line Output : 1 of RCA jack
1 of 6.4mm phone jack

System Requirements
* Intel? Pentium? 2, Celeron? 800MHz or higher computer system
* Microsoft? Windows 2000? (Service Pack 4) or Windows? XP (Service Pack 1)
* 128MB RAM
* Available USB port

Package Contents
* Fubar III
* DC24V 0.5A power adapter
* RCA wire
* USB wire
* User manual
* Warranty card
* Wrench

Service & Technical Support
If you have any problems about using this product, please contact distributors of Firestone Audio Corporation; send the E-mail to the E-mail address of Firestone Audio Co., Ltd. or directly contact to our company. The following is the information of Firestone Audio Corporation:

Firestone Audio Co., Ltd.
Address: Rm. 2, 19F., No.97, Sec. 4, Chongsin Rd.,
Sanchong City, Taipei County

Specifications > Amplifier > Fubar3 USB DAC/Headphone AMP
ManufacturerFirestone Audio Co., Ltd.
Model nameFubar3 USB DAC/Headphone AMP
Catalog No.47163293800
Kind of amplifierHeadphone amplifier
Number of channels2
Total Harmonic Distortion (THD)0.0018 %
Signal to noise ratio-96.1 dB
Frequency responsefrom 40 Hz to 15 kHz
Source directNo
Treble / BassNo
Source selectorNo
Standby modeNo
Remote controlNo
Phono inputNo
Dimensions (Height/Width/Depth)7.7/7.8/10.7 cm
Fubar3 USB DAC/Headphone AMP > Firestone Audio Co., Ltd.

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