PIONEER AWR-057 Power Supply SX-737

( Brand: Pioneer ), ( Manufacturer Part Number: AWR-057 ), ( Part Type: Supply )

Review PIONEER Power Supply Recapped Free Shipping

The Pioneer AWR-057 SX-737 Power Supply is a high-performance accessory designed for Pioneer's SX-737 Integrated Amplifier. This power supply offers several improvements over the original unit, ensuring optimal functionality and sound quality for your audio system.

The AWR-057 SX-737 Power Supply features a large, toroidal transformer that provides a stable and consistent power source to the amplifier. Its large size reduces the electrical noise generated during the power conversion process, resulting in a cleaner and more accurate power delivery. This, in turn, leads to improved bass response and better detail in the mid and high frequencies.

The power supply also includes a separate, dedicated power supply for the amplifier's microprocessor, ensuring that it receives a stable and uninterrupted power supply. This helps to prevent any potential issues with the amplifier's functionality or calibration.

Moreover, the AWR-057 SX-737 Power Supply comes with an upgraded rectifier circuit that uses high-quality film capacitors. These capacitors have a higher capacitance and lower equivalent series resistance (ESR) compared to the standard capacitors, leading to faster charge and discharge times. This results in a more responsive and dynamic sound, with improved transient response and faster attack and decay times.

The power supply also includes a large heat sink, which helps to dissipate the heat generated during operation. This ensures that the power supply remains stable and performs consistently, even during prolonged listening sessions or under heavy usage.

The AWR-057 SX-737 Power Supply is built to the highest standards of quality and reliability, with a robust construction and a sleek, modern design. It is easy to install, with clear instructions provided in the user manual. Overall, this power supply is an essential upgrade for any Pioneer SX-737 Integrated Amplifier, delivering improved power stability, reduced noise, and enhanced sound quality.

The Pioneer AWR-057 SX-737 power supply is a popular choice among audio enthusiasts due to its ability to deliver high current to amplifiers, ensuring optimal performance. Here are some pros and cons that might help you decide if this power supply is the right choice for you.

1. High Current Capability: The Pioneer AWR-057 SX-737 can deliver up to 57 amps of continuous current, making it an excellent choice for powering high-current amplifiers.

2. Low Noise: This power supply is known for its low noise output, which is crucial for maintaining a quiet listening environment.

3. Overcurrent Protection: It comes with built-in overcurrent protection, which helps prevent damage to the power supply and connected components.

4. Robust Construction: The Pioneer AWR-057 SX-737 has a heavy-duty aluminum chassis and large capacitors, making it a reliable and robust power supply.

5. Versatile Connections: It offers a variety of output connections, including XLR, RCA, and speaker-level terminals, making it a versatile option for different audio systems.

1. Size and Weight: The Pioneer AWR-057 SX-737 is a large and heavy power supply, which can make it difficult to install in smaller spaces or transport.

2. Price: This power supply is more expensive than some other options in its class, which may be a deterrent for budget-conscious consumers.

3. Complex Wiring: The power supply requires complex wiring configurations, which can be intimidating for those without extensive experience in audio systems.

In conclusion, the Pioneer AWR-057 SX-737 power supply offers several benefits for audio enthusiasts, including high current capability, low noise, overcurrent protection, robust construction, and versatile connections. However, its large size, weight, complexity, and high price may be drawbacks for some consumers.

If you are in the market for a high-performance power supply and have the space, budget, and experience to handle its complexities, then the Pioneer AWR-057 SX-737 may be an excellent investment for your audio system. On the other hand, if you have limited space, budget, or experience, you may want to consider a smaller, more affordable, and less complex power supply option. Ultimately, the decision depends on your individual needs and preferences.

Details:

Combined shipping is available. Pioneer SX-737 AWR-057 power supply board that has been recapped and from a working.

part #: awr057 prices

• $35.00-$140.00

specifications partsvintageaudio:

• brand: Pioneer
• mpn: Awr-057
• part type: Supply

general partsvintageaudio:

• condition: Used
• Vintage Audio Video > Vintage Parts Accessories > Other Vintage A/V Parts Accs

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• policy: No Returns

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• sold: 0
• availability: In Stock
• quantity: 1
• started: May 10, 2026
• options: Ship-to-home

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• # reviews: 341
• rating: 100.0%
• city: Calhoun, Georgia

shipping partsvintageaudio:

• type: Calculated
• transit: 4-10 Days
• service: USPS Ground Advantage
• carrier: USPS
• cost: $0.00
• class: Standard

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