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
SPECIFICATIONS
| Power Output | 50W/8Ω; 100W/4Ω; 200W/2Ω |
| Damping Factor | 1000 |
| Signal-to-Noise Ratio | 118dB |
| Amplification Stage | 6-parallel push-pull MOS-FET configuration |
| Transformer | High-efficiency toroidal transformer |
| Filtering Capacitors | 68,000μF (x2) |
| Gain Levels | Max; -3dB; -6dB; -12dB |
| Noise Reduction | 6% lower noise than A-48 |
| Speaker Terminals | Dual independent terminals |
| Protection Circuit | Photo-coupler-based with temperature sensors |
| Dimensions | Width 465mm; Height 211mm; Depth 464mm |
| Weight | 34.8kg |