Yamaha
Yamaha A-S501 Integrated Amplifier
Best stereo amplifier for audiophiles seeking pure, high-fidelity sound.
Experience pure audio reproduction with the Yamaha A-S501 Integrated Amplifier, engineered for discerning listeners seeking dynamic sound quality. This unit delivers a robust 85 watts per channel, ensuring excellent performance across the frequency spectrum. It integrates digital audio inputs for seamless connection to modern sources like TVs and Blu-ray players. The design emphasizes signal purity through Yamaha's ToP-ART technology and an I/O direct symmetrical layout. Built with high-quality components, this amplifier offers sophisticated performance and reliability in an elegant package, making it a superb centerpiece for any stereo setup.
$549.95
Owner Satisfaction
4.7
/ 5
Category Rank
56
/ 560
#56 in Audio & Video Receivers
Price vs Category Average
-79%
Below average
Minimum RMS Output Power
858582020
/ W + W ( ohms, Hz- kHz)
Who it's for
- Audiophiles seeking clean power for demanding speaker setups
- Home theater owners connecting digital sources directly to the amp
- Budget-conscious listeners wanting premium build quality and classic aesthetics
Who should skip it
- Desktop users needing a direct USB connection for high-resolution audio
- Modern listeners who prefer integrated wireless streaming and smart connectivity
- Minimalists who prioritize a sleek, intuitive remote control experience
Performance breakdown
Power Delivery
Robust 85-watt output handles demanding speakers with impressive dynamic headroom.
Signal Integrity
ToP-ART design minimizes interference for a clean, transparent audio signal.
Connectivity Versatility
Digital inputs bridge the gap between classic analog and modern sources.
Build Quality
Solid construction and gold-plated terminals ensure long-term durability and performance.
Sound Customization
Continuously variable loudness control offers precise tonal balance at any volume.
Damping Control
High damping factor keeps bass response tight and exceptionally well-defined.
Key Specs
Minimum RMS Output Power
85 W + 85 W (8 ohms, 20 Hz-20 kHz)
High Dynamic Power/Channel
130 / 150 / 185 / 220 W (8/6/4/2 ohms)
Total Harmonic Distortion
0.019%
Frequency Response
10 Hz -100 kHz +/- 1.0 dB
Signal-to-Noise Ratio (CD)
99 dB
Damping Factor
240
Weight
22.7 lbs.
Amplifier Class
Class AB
Features
- Delivers 85W x 2-channel power output
- Pure Direct mode for enhanced sound purity
- ToP-ART technology for high-quality sound
- ART Base construction for stability
- Gold-plated speaker and RCA terminals
- Continuously Variable Loudness Control
- Digital inputs for modern sources
- Symmetrical design optimizes signal flow
What customers say
Customers overwhelmingly praise the Yamaha A-S501 Integrated Amplifier for its exceptional value and superior sound quality. Reviewers consistently describe the audio as clean, clear, and wonderfully detailed, providing a refined listening experience across all music. Key features like the Pure Direct mode and variable loudness control allow for excellent sound customization. Beyond performance, the amplifier earns high marks for its robust, premium build quality and substantial feel. Its versatile connectivity, including a capable phono stage and digital inputs, suits modern setups perfectly. While minor aspects like the remote are occasionally mentioned, the consensus is clear: the A-S501 delivers outstanding performance that often surpasses much pricier competitors, establishing it as a market sweet spot.
Know before you buy
Yes, the A-S501 features both optical and coaxial digital inputs, allowing you to easily connect your TV or Blu-ray player to enjoy high-quality stereo sound.
Pure Direct mode bypasses the tone and loudness control circuits, providing the shortest possible signal path from the source to the speakers. This minimizes interference and helps maintain the highest level of audio purity.
With 85 watts per channel and a high damping factor of 240, this amplifier is well-equipped to drive most standard floor-standing speakers with authority and control.
Yes, the unit includes a dedicated subwoofer output, making it simple to integrate a powered subwoofer for enhanced low-frequency performance.
Unlike a standard loudness button, this control allows you to adjust the frequency response to maintain a balanced sound at lower listening volumes, ensuring you don't lose bass or treble detail when playing music quietly.
Yes, it includes a dedicated phono input, allowing you to connect a turntable directly without needing an external phono preamp.
Still have a question?
Ask Hayley anything about this product before you decide.