STEREO POWER AMPLIFIER A-48

Featuring a six-fold parallel push-pull architecture with power MOS-FETs, as well as ideal gain allocation realized with discrete semiconductors in an instrumentation amplifier configuration, the A-48 harnesses a wealth of advanced technology. Its outstanding performance is exemplified by a signal/noise ratio of 117 dB, output of 360 watts into 1 ohm (music signals), and a damping factor of 800. The newly designed output protection circuit can detect any short-circuiting of the speaker terminals, for complete peace of mind. This power amplifier is the ultimate instrument for immersive music appreciation on the highest level.

Power MOS-FETs in 6-parallel push-pull configuration
Linear output characteristics over entire load impedance range
45W into 8 ohms, 90W in 4 ohms, 180W in 2 ohms and 360W in 1 ohm.
Strong power supply with massive toroidal transformer and large 60,000 μF filtering capacitors
Instrumentation amplifier principle
High-gain signal input section in discrete configuration
Dedicated power supply for signal input section
Polarity switching for balanced input connectors
MCS circuit topologys
Current feedback principle in amplification circuitry
Protection circuitry using MOS-FET switches
High damping factor of 800
Speaker output protection circuit guards against short-circuiting
Two sets of large speaker terminals
4-step gain control
Support for bi-amping and bridged mode
Aluminum top plate with hairline finish