The A-48S incorporates state-of-the-art technologies to create a Class A power amplifier that delivers superb performance. Benefitting from years of ideal designs of high-performance units, the A-48S utilizes 6-parallel pull-push power MOS-FETs and boasts an output of 50 W into 8 ohms, 100 W into 4 ohms, 200 W into 2 ohms, and 400 W into 1 ohm at the same size as conventional models. The noise level has also been further reduced by 6%, while providing a damping factor of 1,000. The A-48S will bring the best out of any speaker, enabling you to enjoy unparalleled sound quality and expansiveness.
Class A driven 6-parallel push-pull MOS-FET output stage
Large linear output of 50 W / 8 ohms, 100 W / 4 ohms, 200 W / 2 ohms, 400 W / 1 ohm
Instrumentation amplifier
Current feedback amplification topology
Balanced remote sensing
MCS+ circuitry
Large, high-efficiency toroidal transformer
High capacity 68,000 μF filtering capacitors
Large speaker terminals connected directly to protection circuitry
Protection circuitry using MOS-FET switches
High damping factor of 1,000
Large, high-sensitivity power meters ranging from –50 dB
Bi-amping connection and bridged connection switching
Speaker output protection circuit guards against short-circuiting
Aluminum hairline finish top plate
High-carbon cast iron insulator feet with superior damping characteristics