Accuphase A-80 Class-A Stereo Power Amplifier

Accuphase A-80 Class-A Stereo Power Amplifier
Reference-grade Class A power with unmatched control and musical realism.

The Accuphase A-80 Class-A Stereo Power Amplifier represents the pinnacle of Accuphase’s amplification engineering, combining immense power, ultra-low distortion, and pure musicality. Delivering 65 watts per channel into 8 ohms, 130 watts into 4 ohms, 260 watts into 2 ohms, and 520 watts into 1 ohm, the Accuphase A-80 provides effortless Class A performance for even the most demanding loudspeakers.

Using ten parallel push-pull MOSFETs per channel, the Accuphase A-80 achieves the warmth, clarity, and harmonic purity that Class A amplification is known for—while maintaining complete control and stability. A fully balanced current-feedback design and Accuphase’s Balanced Remote Sensing technology ensure a damping factor of 1,000 and a signal-to-noise ratio of up to 129 dB, offering stunning detail and a silent background.

Inside, the Accuphase A-80 features a massive toroidal transformer, 120,000 µF of filter capacitance, and discrete dual-mono construction to eliminate interference and preserve musical integrity. The heavy aluminum chassis, large analog meters, and solid build reflect true Japanese craftsmanship. With both balanced XLR and unbalanced RCA inputs, plus bridged and bi-amp capability, it is flexible for advanced stereo and mono configurations.

For audiophiles who demand natural tone, dynamic control, and absolute musical expression, the Accuphase A-80 delivers a world-class listening experience in every detail.

For assistance or product questions, call 443-402-5055 or text 443-402-5064 to reach our team. All Elite Audio is an authorized Maryland dealer with a full home audio showroom.

---

Key Specifications:
• Rated Output (Stereo): 65 W/ch into 8 Ω; 130 W into 4 Ω; 260 W into 2 Ω; 520 W into 1 Ω
• Rated Output (Bridged Mono): 260 W into 8 Ω; 520 W into 4 Ω; 1,040 W into 2 Ω
• Amplifier Class: Pure Class A
• Damping Factor: ≥ 1,000
• Signal-to-Noise Ratio: 123 dB (MAX), 129 dB (–12 dB)
• Total Harmonic Distortion: 0.03% (4–16 Ω)
• Frequency Response: 0.5 Hz–160 kHz (+0/–3 dB)
• Inputs: Balanced XLR and Unbalanced RCA
• Gain Selector: MAX, –3 dB, –6 dB, –12 dB
• Dimensions (W × H × D): 465 × 240 × 515 mm (18.3″ × 9.4″ × 20.3″)
• Weight: 44.6 kg (98.4 lbs)
• In Stock

---

Top 20 Questions About the Accuphase A-80 Class-A Stereo Power Amplifier

What type of amplifier is the Accuphase A-80?
The Accuphase A-80 is a pure Class A stereo power amplifier designed for ultimate sound fidelity and musical warmth.

How much power does the Accuphase A-80 deliver?
It delivers 65 watts per channel into 8 ohms, scaling up to 520 watts per channel into 1 ohm, with enormous current capability.

What is special about the Class A design of the Accuphase A-80?
Class A operation eliminates crossover distortion and provides continuous current flow for unmatched linearity and tonal purity.

What is the damping factor of the Accuphase A-80?
The damping factor is 1,000, ensuring precise control and firm low-frequency response.

How quiet is the Accuphase A-80?
With a signal-to-noise ratio up to 129 dB, the A-80 provides exceptional quietness and micro-detail retrieval.

What inputs does the Accuphase A-80 provide?
It includes both balanced XLR and unbalanced RCA inputs for flexible system integration.

Can the Accuphase A-80 be bridged or bi-amped?
Yes, it can operate in bridged mono mode or bi-amp mode for system expansion and enhanced performance.

What type of output stage does the Accuphase A-80 use?
It uses ten parallel push-pull MOSFETs per channel, providing stable high-current output with low distortion.

What kind of speakers pair well with the Accuphase A-80?
It excels with both high-end floorstanding speakers and complex multi-driver systems that benefit from precise Class A control.

What is the total harmonic distortion of the Accuphase A-80?
The THD is just 0.03%, ensuring transparency and accuracy across the full frequency range.

Does the Accuphase A-80 get hot during operation?
Yes, as a pure Class A amplifier it runs warm and should be placed in a well-ventilated space.

How large and heavy is the Accuphase A-80?
It measures 465 × 240 × 515 mm and weighs approximately 44.6 kg (98.4 lbs).

What kind of power supply does the Accuphase A-80 use?
It features a massive toroidal transformer and 120,000 µF filter capacitors for clean, stable current delivery.

Where is the Accuphase A-80 manufactured?
The A-80 is hand-built in Japan with meticulous precision and reliability.

How does the Accuphase A-80 sound?
The A-80 produces incredibly smooth, natural, and dynamic sound with exceptional clarity and spatial realism.

Is the Accuphase A-80 suitable for low-impedance speakers?
Yes, it performs cleanly and safely down to 1 ohm, handling even the most demanding loads with authority.

What protection systems are built into the Accuphase A-80?
It includes MOSFET-based protection, overload, and short-circuit safeguards for safe, long-term performance.

What is the warranty on the Accuphase A-80?
The amplifier includes a standard 3-year manufacturer warranty when purchased from an authorized dealer.

Who is the Accuphase A-80 designed for?
It’s built for audiophiles who demand the finest reproduction of music with effortless power and refinement.

How can I get expert help with the Accuphase A-80?
For assistance or product questions, call 443-402-5055 or text 443-402-5064 to reach our team at All Elite Audio, your authorized Maryland dealer with a full home audio showroom.