Accuphase
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Specs
| Rated Output Power (8 ohms) | 300 W per channel |
| Rated Output Power (4 ohms) | 600 W per channel |
| Rated Output Power (2 ohms) | 900 W per channel |
| Damping Factor | 1000 |
| Frequency Response | 20 Hz to 20 kHz, +0 / -0.2 dB (rated output) |
| Total Harmonic Distortion | 0.03 percent (4 to 16 ohms), 0.05 percent (2 ohms) |
| Signal to Noise Ratio | 130 dB (gain MAX) |
| Input Sensitivity | 1.95 V (balanced and unbalanced, for rated output) |
| Input Impedance | 40 k ohms (balanced), 20 k ohms (unbalanced) |
| Gain | 28 dB |
| Power Consumption | 142 W (idle), 450 W (per IEC 62368-1) |
| Dimensions (W x H x D) | 465 x 238 x 515 mm (18.31 x 9.37 x 20.28 in) |
| Weight | 49.0 kg |
Warranty
Sold as an authorized Accuphase dealer by All Elite Audio. New Accuphase P-7500 units include the full Accuphase USA manufacturer warranty of 3 years parts and labor for the original owner. Contact us with any service or setup questions.
What's in the Box
- Accuphase P-7500 stereo power amplifier
- AC power cord
- Owner's manual
- Warranty documentation
Overview
The Accuphase P-7500 is a reference grade class AB stereo power amplifier built to deliver effortless authority, dead quiet backgrounds, and precise control over even the most demanding loudspeakers. It sits near the top of Accuphase's stereo amplifier lineup, combining generous continuous power with an extraordinarily high damping factor for grip and dynamic composure at any listening level.
Its engineering story centers on Accuphase's instrumentation amplifier principle and a multiple parallel push pull output stage using power transistors selected for linearity and thermal stability. A massive toroidal transformer and large filter capacitor bank supply the current reserves needed for demanding transients, while balanced signal paths and meticulous circuit board layout keep noise and distortion exceptionally low. Bridged mono operation is available for owners who wish to move to a monoblock configuration later.
The P-7500 is for the listener assembling a true reference system, someone pairing revealing full range floorstanders or challenging low impedance loads with an Accuphase preamplifier. It rewards careful source and speaker matching with wide bandwidth, a stable stereo image, and tonal honesty that neither flatters nor fatigues.
Key Features
- Reference class AB design with multiple parallel push pull output stage for high current delivery
- Very high damping factor for exceptional control over difficult loudspeaker loads
- Instrumentation amplifier principle for low noise and low distortion signal handling
- Large toroidal power transformer with substantial filter capacitance for strong current reserves
- Balanced and unbalanced inputs with selectable gain settings
- Bridged mono operation available for a future monoblock upgrade path
- Signature Accuphase analog power meters for real time output monitoring
- Robust chassis construction with careful internal layout to minimize interference
- Machined heat sinks and thermal management for stable long term operation
How the P-7500 Compares
Accuphase P-7500 vs Accuphase P-4600
The P-4600 is Accuphase's class AB stereo amplifier one step down, offering excellent grip and refinement for a wide range of full range speakers. The P-7500 extends that character with greater power reserves, a higher damping factor, and more headroom for demanding low impedance loads. Choose the P-4600 for a highly capable core system and the P-7500 when your speakers or listening habits call for the extra current and control. See the Accuphase P-4600.
Accuphase P-7500 vs Accuphase A-80
The A-80 is a pure class A stereo amplifier voiced for a warm, liquid midrange and effortless low level detail. The P-7500 takes a class AB approach, prioritizing higher rated power and dynamic authority for larger rooms and tougher loads. Pick the A-80 for the class A tonal character and the P-7500 when raw power and grip are the priority. See the Accuphase A-80.
Accuphase P-7500 vs Luxman M-10X
The Luxman M-10X is a high power stereo amplifier with its own distinctive presentation and design philosophy. The P-7500 offers the Accuphase house sound, with a very high damping factor and instrumentation style circuitry aimed at tonal honesty and control. Both are reference class options, so the choice comes down to the sonic character and system synergy you prefer. See the Luxman M-10X.
Recommended Speakers and Preamplifier
The P-7500 thrives with revealing, current hungry loudspeakers and an Accuphase preamplifier that preserves its low noise and wide bandwidth. These pairings let its authority and control shine.
- Marten Parker Trio Diamond This revealing diamond tweeter floorstander benefits from the P-7500's high damping factor and current reserves, delivering tight bass and transparent detail.
- Gauder Akustik Capello 100 DV A precise, dynamic floorstander that rewards the P-7500's grip and headroom with composed transients and stable imaging.
- Spendor Classic 200Ti This large three way floorstander pairs its rich, full bodied voicing with the P-7500's control, giving weight and drive without losing refinement.
- Accuphase C-2900 A precision stereo preamplifier that matches the P-7500's low noise and wide bandwidth, forming a coherent full Accuphase front end.
- Accuphase C-3900S For the most ambitious reference system, this flagship preamplifier extracts the fullest resolution and quietest backgrounds from the P-7500.
Frequently Asked Questions
What type of amplifier is the Accuphase P-7500?
It is a reference grade class AB stereo power amplifier designed to deliver high continuous power and strong control over demanding loudspeakers.
How much power does the P-7500 produce?
It is rated at 300 watts per channel into 8 ohms, 500 watts into 4 ohms, and 600 watts into 2 ohms.
Can the P-7500 be used as a monoblock?
Yes, it supports bridged mono operation, so you can start with a single stereo chassis and add a second unit later for a monoblock configuration.
What is the damping factor of the P-7500?
It offers a very high damping factor of 1000, which provides excellent grip and control over the loudspeaker.
Does the P-7500 have balanced inputs?
Yes, it provides both balanced and unbalanced inputs, with selectable gain settings to suit different system configurations.
What preamplifier should I pair with the P-7500?
An Accuphase preamplifier such as the C-2900 or the flagship C-3900S is an ideal match, preserving the amplifier's low noise and wide bandwidth.
Is the P-7500 suitable for hard to drive speakers?
Yes, its high current output stage and high damping factor make it well suited to low impedance and demanding loudspeaker loads.
What speakers work well with the P-7500?
Revealing full range floorstanders such as the Marten Parker Trio Diamond, Gauder Akustik Capello 100 DV, and Spendor Classic 200Ti are excellent partners.
How does the P-7500 differ from the P-4600?
The P-7500 sits above the P-4600 in the same class AB line, adding more power reserves, a higher damping factor, and greater headroom for demanding loads.
How does the P-7500 compare to the class A A-80?
The A-80 is a pure class A amplifier voiced for warmth and liquid midrange, while the P-7500 uses class AB to prioritize higher power and dynamic authority.
What are the power meters on the front panel?
The P-7500 features Accuphase's signature analog meters that display real time output level for monitoring the amplifier during playback.
What is the frequency response of the P-7500?
It is rated at 20 Hz to 20 kHz within a very tight tolerance at rated output, with wide bandwidth performance overall.
How much does the P-7500 weigh?
It weighs approximately 44.7 kg, reflecting its large transformer, capacitor bank, and heavy duty chassis construction.
What are the dimensions of the P-7500?
It measures roughly 465 mm wide, 240 mm high, and 514 mm deep, so confirm your rack or shelf can accommodate it.
Does the P-7500 run hot?
As a class AB design it runs cooler than a comparable class A amplifier, though it still benefits from good ventilation around its heat sinks.
Is the P-7500 a good long term investment?
Yes, Accuphase is known for durable construction and long term support, and the flexible bridged mono option gives you a future upgrade path.
What input sensitivity does the P-7500 require?
It requires about 1.53 volts to reach rated output on both balanced and unbalanced inputs, with a gain of 28 dB.
Does the P-7500 come with a warranty?
Yes, it includes a 3 year parts and labor warranty for the original owner when purchased from an authorized dealer.
Can I use the P-7500 in a large room?
Yes, its substantial power output and current reserves make it well suited to larger rooms and higher listening levels.
Why buy from All Elite Audio?
We are an authorized Accuphase dealer in Maryland, so your P-7500 is genuine, fully warranted, and supported by expert system matching advice, and this model is in stock.
