About the Liberty B2B-1
The Liberty B2B-1 phono preamplifier is a high-end, all-FET (field effect transistor), pure class A, dual mono configuration designed for both moving magnet (MM) and moving coil (MC) cartridges. It is housed in a heavy-duty aluminum chassis with a black-anodized faceplate, measuring 10.5 x 17 x 3.25 inches and weighing 11 pounds. The unit features RCA inputs and outputs for stereo use, as well as single XLR input and output for mono use, allowing conversion to a fully differential monoblock phono preamplifier. It offers five cartridge load settings (100, 221, 332, 499, and 47k ohms) configurable via internal jumpers, and gain settings of 20 or 40 dB on the first amplification stage plus an additional 24 dB on the second stage with RIAA bass boost. The internal power supply is heavily shielded with aircraft-grade aluminum. The B2B-1 is praised for its smooth yet detailed sound, wide frequency extension, tonal accuracy, and extremely low noise floor, making it suitable for revealing the finest details in well-mastered LPs. It is The design and build quality suggest a product costing significantly more, with a focus on delivering a transparent and dynamic listening experience without adding character of its own.
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