Accuphase P-4600 Stereo Power Amplifier

Accuphase P-4600 Stereo Power Amplifier
Supreme driving power with refined musical authority.

The Accuphase P-4600 Stereo Power Amplifier delivers 150 W per channel into 8 Ω with effortless control and musical finesse, making it the ideal heart of a high-end stereo system. From the moment you listen, the Accuphase P-4600 reveals a musical intensity and clarity that handles demanding speakers with ease and poise.

The Accuphase P-4600 is a Class AB stereo power amplifier built to offer exceptional driving capability and sonic refinement. With six parallel push-pull output transistors per channel, it delivers 150 W into 8 Ω, 300 W into 4 Ω, and 450 W into 2 Ω, providing ample headroom for even challenging speaker loads.

Coupled with its instrumentation amplifier input stage, current-feedback topology, and Balanced Remote Sensing, the Accuphase P-4600 maintains extremely low noise (signal-to-noise ratio 125 dB) and a high damping factor of 800 for precise bass control and speaker driver authority.

Refined connectivity includes both XLR (balanced) and RCA (unbalanced) inputs, support for bi-amping and bridged mono mode (to convert into a 600 W+ mono amplifier), and robust protection circuits designed to preserve your investment.

Designed for serious audiophiles, the Accuphase P-4600 stands out for its excellent build quality, smooth tonality, and sheer drive. It is ideal for large rooms, high-performance speakers, or anyone seeking full-scale analog performance and dynamic power.

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.

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Key Specifications:
• Rated Output (Stereo): 150 W/ch into 8 Ω, 300 W/ch into 4 Ω, 450 W/ch into 2 Ω
• Rated Output (Bridged Mono): 600 W into 8 Ω, 900 W into 4 Ω
• Frequency Response: 0.5 Hz–160 kHz (+0/-3 dB)
• Total Harmonic Distortion: < 0.01%
• Signal-to-Noise Ratio: 125 dB (GAIN: MAX)
• Damping Factor: > 800 (JEITA, 8 Ω load at 50 Hz)
• Input Sensitivity: 1.38 V (for rated output)
• Input Impedance: 40 kΩ (balanced), 20 kΩ (unbalanced)
• Gain Selector: MAX, –3 dB, –6 dB, –12 dB
• Dimensions (W × H × D): 465 × 190 × 427 mm (18.3″ × 7.5″ × 16.8″)
• Weight: 30 kg (66.2 lbs)
• In Stock

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Top 20 Questions About the Accuphase P-4600 Stereo Power Amplifier

What kind of amplifier is the Accuphase P-4600?
The Accuphase P-4600 is a Class-AB stereo power amplifier designed for high-end systems requiring robust power and high fidelity.

How many watts per channel does the Accuphase P-4600 deliver?
It delivers 150 W per channel into 8 Ω, 300 W into 4 Ω, and 450 W into 2 Ω. In bridged mono mode, it outputs 600 W into 8 Ω and 900 W into 4 Ω.

What is the damping factor of the Accuphase P-4600?
The damping factor exceeds 800, providing excellent control over speaker drivers for tighter, more accurate bass.

What is the signal-to-noise ratio of the Accuphase P-4600?
The signal-to-noise ratio is 125 dB at maximum gain, ensuring ultra-low background noise.

What inputs does the Accuphase P-4600 have?
It features both balanced XLR and unbalanced RCA inputs, providing flexibility with a range of preamps.

Can I bi-amp with the Accuphase P-4600?
Yes, the P-4600 supports bi-amping and can also be bridged for mono operation.

Is the Accuphase P-4600 suitable for low-impedance speakers?
Yes, it is stable down to 2 Ω, making it capable of driving demanding loudspeakers with authority.

What type of power supply does the Accuphase P-4600 use?
It employs a large toroidal transformer and high-capacity filter capacitors for strong, clean current delivery.

What is the gain selector for on the Accuphase P-4600?
The gain selector allows adjustment of input sensitivity for optimal system matching.

What protection features are included?
The P-4600 includes output protection, MOS-FET speaker switching, and temperature and short-circuit safeguards.

Can the Accuphase P-4600 be bridged for mono use?
Yes, in bridged mode it operates as a powerful monaural amplifier up to 900 W into 4 Ω.

What are the dimensions and weight of the Accuphase P-4600?
It measures 465 × 190 × 427 mm and weighs approximately 30 kg.

What does the Accuphase P-4600 sound like?
It delivers a rich, transparent, and dynamic presentation with controlled bass and a wide, layered soundstage.

Where is the Accuphase P-4600 manufactured?
It is precision-built in Japan by Accuphase, known for exceptional craftsmanship and reliability.

What speakers pair best with the Accuphase P-4600?
It complements medium to large speakers, including those with complex crossovers or lower sensitivity.

Will the Accuphase P-4600 overpower smaller speakers?
No, its high power provides cleaner performance and more headroom, reducing distortion at any level.

What kind of listener is the Accuphase P-4600 designed for?
It’s ideal for serious audiophiles who prioritize control, build quality, and long-term performance.

What is the warranty on the Accuphase P-4600?
The Accuphase P-4600 typically includes a 3-year manufacturer warranty through authorized dealers.

Does the Accuphase P-4600 require special installation?
It runs on standard AC power but benefits from quality cabling and proper ventilation.

How can I get expert help with the Accuphase P-4600?
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.