The B1xi integrated amplifier channels Musical Fidelity’s renowned amplifier expertise into a versatile, high-performance package. Driven by the design principles of its flagship models, the B1xi delivers effortless power through a refined Class A/B circuit, offering a rich and dynamic tube like sound.
Amplifier
Power, both channels driven @ 1% THD: 60 Watts per channel into 8 Ohms; 100W into 4 ohms; 140W peaks into 2 ohms
Power, both channels driven @ 0.09% THD, 20Hz to 20 kHz: 50 Watts per channel into 8 Ohms; 80W into 4 ohms
Voltage 21 Volts RMS, 20Hz to 20 kHz; onset of clipping
30 Volts peak to peak
Current 8 Amps peak to peak
Damping factor 30
Output devices 1 pair per channel
Line input
THD+N < 0.02 % typical, 20Hz to 20 kHz
Signal / noise ratio > 100dB ‘A’-weighted
Input impedance 47k Ohms
Frequency response +0, –3dB, 10Hz to 30 kHz
Phono input
Sensitivity (nominal): 5mV (suitable for cartridges giving 1.5mV or more including high output MC types)
Signal / noise ratio: >70dB ‘A’-weighted
Input impedance: 47k Ohms
Input capacitance: <100pF
Gain: 42dB
Frequency response: RIAA/IEC ±1dB, 20Hz to 20 kHz
Connections
Line level inputs 3 pairs line level RCA connectors
MM phono input
Optical, coaxial, ARC digital inputs (up to 24bit/192kHz stereo PCM)
Bluetooth 5.1 input
1 pair line level RCA connectors, preamp outputs for e.g. bi-amping
Speaker outputs 1 pair 4mm banana plug/binding posts
Power requirement
Mains voltages 115/230VAC 50/60Hz (factory pre-set)
100VAC 50/60Hz (alternative)
Consumption 280 Watts maximum
Weight
Unit only, unboxed 7.2 kg
In shipping carton 8.9 kg
Dimensions
Wide 430 mm
High, including feet 90 mm
Deep (front to back) including terminals 324 mm
