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FireStone Audio Fubar HD

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2 499,00 $

FubarHD is a USB DAC Headphone Amplifier with Coaxial and Optical Input. Its Headphone Amplifier belongs to Push-Pull with Class B which has the Class-B efficiency, but distortion. 

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4 Items

Specifications

Power Structure : Virtual-Ground power supply, Switching power supply
Amplifier Structure : Coupling capacitor less, Push-Pull with Class-B
Gain Control : High / Low (Only Digital input, attenuation 15dB)
Headphone Impedence : 32 ohm to 600 ohm
Circuit Protect : Output short / Over current protect
Support Format : S/PDIF : 24-bit, 32kHz ~ 192kHz
Support Format : USB : 24-bit, 44.1kHz / 48kHz / 96kHz
Connectivity
Power Input : Dual Supply
DC Jack (2.0mm)
S/PDIF Input : Coaxial Jack
Optical Jack
Analog Input : RCA Jack *1 (share with Analog Output)
USB Interface : B-Type USB Jack
Analog Output : RCA Jack (share with Analog Input)
6.3mm PhoneJack
Chips
USB Decoder : Tenor - TE7022L
Digital Receiver : AKM - AK4113
D/A Converter : AKM - AK4396
LPF OPAmp : NS - LM4562
OPAmp : NS - LM4562
DC Servo : TI - TL072
Audio Performance (Coaxial in, Line out, 24-bit / 48kHz)
Frequency response (40Hz ~ 15kHz) : +0.02dB ~ -0.01dB
Noise level : -115.9dB
Dynamic range : 115.5dB
THD% : 0.019%
Stereo crosstalk : -114.8dB
Audio Performance (Coaxial in, Phone out, 24-bit / 48kHz)
Frequency response (40Hz ~ 15kHz) : +0.03 ~ -0.01dB
Noise level : -112.1dB
Dynamic range : 112.1dB
THD% : 0.019%
Stereo crosstalk : -110.6dB
Audio Performance (Line in, Phone out)
Frequency response (40Hz ~ 15kHz) : +0.03 ~ -0.01dB
Noise level : -113.0dB
Dynamic range : 112.6dB
THD% : 0.0003%
Stereo crosstalk : -105.7dB

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