Audio Research S-100 Power Amplifier
Best high fidelity amplifier for discerning audiophiles.
This is the dawn of a new solid-state era for Audio Research, delivering 100 watts of pure, balanced power. It masterfully combines high-current dynamics with the nuanced clarity ARC is known for, all within a sleek, modern chassis. Expect effortless scale and musical depth, making it a compelling choice for discerning audiophiles.
$9450.00
at
Fidelis
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Who it's for
- Audiophiles seeking a refined and powerful listening experience
- Listeners prioritizing long-term reliability and premium construction in their audio gear
- Enthusiasts desiring high-fidelity sound from a renowned brand without new product cost
Who should skip it
- Buyers wary of potential future service costs or sourcing vintage parts
- Consumers with limited space or those preferring compact, modern audio components
- Users expecting integrated digital audio capabilities or smart home integration
Performance breakdown
Signal Integrity
Fully balanced architecture ensures a pristine, noise-free path for your music.
Dynamic Headroom
High-current output handles complex musical passages with effortless authority and control.
Build Quality
Hand-built in Minnesota with custom heatsinks for lasting, professional-grade reliability.
System Versatility
Switchable XLR and RCA inputs integrate seamlessly into any high-end setup.
Linearity
JFET input stage provides exceptional tonal accuracy and low-distortion performance.
Thermal Management
Custom-machined heatsinks keep the Class AB circuitry cool under demanding loads.
Key Specs
Rated Power
100 WPC into 8 ohms, 200 WPC into 4 ohms
Input Stage
Differential JFET
Voltage/Output Stages
Bipolar transistor-based, Class AB
Input Options
Balanced XLR, Single-ended RCA (switchable)
Signal Topology
Fully balanced from input to output
Chassis Design
Low-profile case with custom-machined heatsinks
Manufacturing
Hand-built in Minnesota, USA
Launch Year
2025 (55th Anniversary Series)
Number of Channels
2
Amplifier Class
Class AB
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