PIONEER ATT402 Capacitor Sx

( Brand: Pioneer ), ( Manufacturer Part Number: ATT402 ), ( Part Type: Capacitor )

Review PIONEER Original Main Capacitor From Sx

The Pioneer ATT402 Capacitor SX, manufactured in 1980, is a vintage audio component that was once a staple in high-fidelity audio systems. This capacitor is an essential part of the audio circuit, designed to store and release electrical energy to ensure accurate and precise sound reproduction.

This particular model, the ATT402, is a 400 volt, 220 microfarad capacitor, making it suitable for use in power supplies or filtering applications where large capacitance values and high voltage requirements are necessary. The Capacitor SX designation indicates that this is a superx capacitor, which is a type of capacitor known for its high capacitance value, low equivalent series resistance (ESR), and fast discharge time.

The Pioneer ATT402 Capacitor SX is a tantalum capacitor, which means it uses tantalum metal as the electrode material. Tantalum capacitors are known for their small size, high energy density, and stability under various operating conditions. The use of tantalum also results in a more compact design compared to electrolytic capacitors with similar capacitance values.

The case of this vintage capacitor is made of aluminum and is sealed to protect the internal components from external moisture and contaminants. The sealed design also helps to maintain a consistent electrical performance over long periods of use. The capacitor is marked with a red stripe, indicating its positive terminal, and is equipped with screw terminals for easy connection to other components in an audio system.

It is important to note that, as a vintage component, the Pioneer ATT402 Capacitor SX may show signs of aging, such as a decrease in capacitance or an increase in ESR. These aging effects can impact the performance of the component and, in turn, the overall sound quality of the audio system. As such, it is recommended that this capacitor be tested and, if necessary, replaced with a new one to ensure optimal audio performance.

In summary, the Pioneer ATT402 Capacitor SX is a vintage 400 volt, 220 microfarad tantalum capacitor, designed for use in high-voltage applications and suitable for audio filtering and power supply applications. With its compact size, high energy density, and fast discharge time, this capacitor was once a valuable component in high-fidelity audio systems. However, as a vintage component, it may show signs of aging and require testing and replacement to maintain optimal performance.

The Pioneer AT-402SX is an older phono cartridge model produced by Pioneer Electronics. This model was popular among audiophiles in the late 1980s and early 1990s due to its high-quality sound reproduction. Here are some pros and cons of buying a Pioneer AT-402SX:

1. High-quality sound: The AT-402SX is known for its ability to reproduce clear, detailed, and accurate sound from vinyl records. Its stylus design and construction provide excellent tracking and minimal distortion.

2. Durable build: The cartridge's construction is robust and durable. It can handle heavy use and rough handling, making it ideal for DJs or anyone who needs a cartridge that can withstand frequent use.

3. Versatile: The AT-402SX can be used with both moving magnet (MM) and moving coil (MC) phono preamps. This versatility makes it a popular choice for a wide range of users.

4. Affordable: Compared to some modern cartridges, the AT-402SX is relatively affordable. It offers excellent value for money, especially for those who want a high-quality cartridge without breaking the bank.

1. Limited compatibility: The AT-402SX may not work optimally with some modern turntables or phono preamps. It is essential to ensure that your turntable and phono preamp are compatible with this cartridge.

2. Requires regular maintenance: Like most analog components, the AT-402SX requires regular maintenance to keep it performing at its best. This includes periodic stylus replacement and cleaning.

3. May not be suitable for casual listeners: The AT-402SX is not the best choice for casual listeners who are not particularly concerned with sound quality or the analog listening experience. It may be overkill for their needs.

The Pioneer AT-402SX is an excellent choice for audiophiles and professionals who demand high-quality sound reproduction from their vinyl records. Its durable construction, versatility, affordability, and high-quality sound make it a popular choice among enthusiasts. However, it may not be suitable for casual listeners or those who do not have compatible equipment.

If you are an audiophile or professional who values high-quality sound reproduction, the Pioneer AT-402SX is a great investment. Make sure that your turntable and phono preamp are compatible with this cartridge before making a purchase. With proper maintenance, the AT-402SX can provide years of enjoyment and excellent sound quality from your vinyl collection.

Details:

Original stock main capacitors from a Pioneer SX 1980.

part #: att402 prices

• $14.99-$39.89

specifications vintacapacitor:

• brand: Pioneer
• mpn: Att402
• part type: Capacitor

returns vintacapacitor:

• policy: No Returns

general vintacapacitor:

• condition: Used
• Vintage Audio Video > Vintage Parts Accessories > Vintage Capacitors

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• cost: $17.00
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• class: Economy
• service: Economy
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• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: November 23, 2025
• quantity: 1

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