The Firestone Audio Libby is an Audiophile Grade 24 Bit – 192 KHz DAC combined with a Class-A Headphone Amplifier. The DAC section features inputs for USB, Digital Coax, Toslink Optical as well as AES/EBU for connecting to professional components. The Libby also includes an analog RCA input that is sampled through a high-precision ADC. A set of RCA analog line outs let you connect the Libby to your pre-amplifier or integrated amplifier. Technical SpecificationsAmplifier Structure : High current / swing output amplifier, four step bias controlPower Structure : High precision linear voltage regulator (Analog system) High efficiency / frequency voltage regulator (Digital system) Power Mode : Stand-by and Power-on mode provided with main power switch to shut down Input: Line-In/Coaxial/Optical/AES-EBU/USB Headphone impedance : 16ohm to 600ohm Circuit Protect : Output short / system over current protect Characteristic : Using OP275 and high current power transistor to build high quality headphone amplifier Frequency Control : Adjustable from 44.1kHz to 192kHz Bit Length Control : Adjustable 16-bit or 24-bit data length Mute Control : Provided directly mute headphone without rotate the volume knob USB Support Format : 16-bit, 32 / 44.1kHz / 48kHz SPDIF / AES-EBU Support Format : 24-bit, 96kHz (MAX) Power Amp : TI – TAS5706 Processing Chip : TI – TAS5086 ADC Chip : TI – PCM1803A USB Chip : TI – PCM2704 SRC Chip : TI – SRC4193 Receiver : TI – DIR9001 ConnectivityUSB interface (USB 1.1 or 2.0)Digital Input : 1 of coaxial jack 1 of optical jack 1 of XLR jack * Line Input : 2 of RCA jack * Line Output : 1 of 6.4mm Headphone jack (stereo) System RequirementsUsing in any equipment with Line-out or Pre-out functionIntel® 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 ContentsLibby3P Power Cable RCA wire USB wire User manual Warranty card |
