Libby DAC & Headphone Amplifier
The new Firestone Audio Libby is a Class A Headphone Amplifier and DAC in one sleek new chassis. The DAC features inputs for USB, Coaxial and optical as well as AES/EBU for connection to professional grade components. Libby also features a single line level input which is sampled through the high-precision ADC.
Libby's DAC features a low-jitter recovered system clock for superior DA conversion. In addition, Libby allows you to select a re-sampling frequency from 44.1kHz to 192k.
With it's high quality digital volume control, 6.3mm headphone output and class A amplification section, Libby offers the headphone market a real viable alternative to traditional analogue offerings from other manufacturers and moves headphone amplifiers into the new millennium.
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Libby Specifications
- Amplifier Structure: High current/swing output amplifier, four step bias control
- Power Structure: High precision linear voltage regulator (Analogue system)
- High efficiency/frequency voltage regulator (Digital system)
- Power Mode: Standby and Power on mode, plus main power switch for shut down
- Input Select: Line in/Coaxial/Optical/AES-EBU/USB
- Headphone impedance: 16ohm to 600ohm
- Circuit Protect: Output short/system over current protect
Libby Specs Cont...
- 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: Mute headphone without rotating 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
Libby Connectivity
- USB interface (USB 1.1)
- Digital Input: 1 x coaxial jack, 1 x optical jack, 1 x AES/EBU
- Line Input: 1 x RCA
- Line Output: 1 x 6.3mm Headphone jack (stereo)
Libby Requirements
- Using in any equipment with Line-out or Pre-out function
- Intel® Pentium® 2, Celeron® 800MHz or higher computer system
- Microsoft® Windows 2000® (Service Pack 4) or Windows® XP (Service Pack 1)
- Any Apple Macintosh
- 128MB RAM
- Available USB port
