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About the FPB-600
The Krell FPB-600 Full Power Balanced amplifier is a flagship stereo power amplifier designed for audiophiles seeking exceptional power and sonic accuracy. It features a massive dual toroidal transformer power supply rated at 8,000 watts capacity, supporting a fully regulated input and output stage for stability under all power line and speaker load conditions. The amplifier delivers 600 watts per channel into 8 ohms, 1,200 watts into 4 ohms, and 2,400 watts into 2 ohms, all in Pure Class A operation enabled by Krell's patented Sustained Plateau Bias circuitry that dynamically adjusts bias levels to maintain Class A operation efficiently. Inputs include balanced XLR and single-ended RCA connectors, with a fully balanced signal path from input to output to minimize noise and maximize detail. The FPB-600 is known for its powerful, controlled bass, superb articulation, and tonal neutrality, making it capable of driving demanding loudspeakers with authority and musicality. It weighs approximately 180 lbs (82 kg) and measures 19" W x 10.3" H x 25.5" D. Originally
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