PIONEER 2SA1076 Transistor SX-3900

( Brand: Pioneer ), ( Manufacturer Part Number: 2SA1076 )

Review PIONEER Original Used Pnp Transistor Pulled From

The Pioneer 2SA1076 transistor is a crucial component in various electronic devices, particularly in vintage audio equipment like the SX-3900 integrated amplifier. This transistor is a general-purpose, NPN, bipolar type, with a high power rating, making it suitable for use in power amplifier circuits.

The 2SA1076 transistor boasts a continuous collector-emitter voltage rating of 35 volts and a peak collector-emitter voltage rating of 100 volts. It can handle a maximum collector current of 35 amperes, with a maximum power dissipation of 13 watts. These specifications make this transistor capable of delivering substantial power to the speaker in the SX-3900 integrated amplifier.

The base-emitter junction of the 2SA1076 transistor features a forward voltage drop of approximately 0.7 volts at room temperature. This voltage drop, also known as Vbe, is crucial for the transistor's operation in amplifier circuits. The transistor's high current gain, beta, of around 200 further enhances its ability to amplify signals effectively.

In terms of physical dimensions, the 2SA1076 transistor has a TO-3 case, which allows for efficient heat dissipation. The transistor's pin configuration follows the standard NPN format: the collector is the larger center pin, the base is the smaller pin to the left, and the emitter is the tab at the bottom of the case.

The Pioneer 2SA1076 transistor is a reliable and robust component that has proven its worth in numerous electronic applications. Its high power handling capabilities, combined with its efficient heat dissipation and stable electrical characteristics, make it an excellent choice for power amplifier circuits in vintage audio equipment like the SX-3900 integrated amplifier.

The Pioneer SX-3900 is a vintage stereo receiver that uses the Pioneer 2SA1076 transistor as one of its key components. This transistor was known for its high power handling capability and excellent sound quality, making it a popular choice in high-end audio equipment of the time. Here are some pros and cons of buying a Pioneer SX-3900 with a Pioneer 2SA1076 transistor:

1. High Power Handling: The Pioneer 2SA1076 transistor is known for its high power handling capability, making the SX-3900 a powerful and dynamic audio system.

2. Excellent Sound Quality: The transistor's superior sound quality is one of the main reasons why the SX-3900 is considered a high-end vintage receiver.

3. Vintage Appeal: The SX-3900 has a classic design that appeals to collectors and audiophiles who value vintage audio equipment.

4. Durability: Transistors are more durable than vacuum tubes, making the SX-3900 a more reliable and long-lasting audio system.

5. Versatility: The SX-3900 can be used with a variety of speaker systems and can be easily upgraded with modern components like a CD player or Bluetooth receiver.

1. Limited Connectivity: The SX-3900 does not have modern connectivity options like Bluetooth or Wi-Fi, making it less convenient for some users.

2. Maintenance: Older audio equipment like the SX-3900 may require more maintenance than modern equipment, including regular cleaning and calibration.

3. Replacement Parts: Finding replacement parts for vintage audio equipment like the SX-3900 can be more difficult and expensive than for modern equipment.

4. Compatibility: The SX-3900 may not be compatible with some modern audio sources, such as USB drives or digital music files.

5. Size and Weight: The SX-3900 is a large and heavy piece of equipment, making it less portable than modern audio systems.

The Pioneer SX-3900 with a Pioneer 2SA1076 transistor is a powerful and dynamic vintage audio system that offers excellent sound quality and durability. However, it also comes with some limitations, such as limited connectivity and compatibility with modern sources, as well as the need for more maintenance and potentially harder-to-find replacement parts.

If you are an audiophile or collector who values vintage audio equipment and is looking for a powerful and high-quality stereo receiver, the Pioneer SX-3900 with a Pioneer 2SA1076 transistor could be a great choice for you. However, if you prioritize modern connectivity and convenience, or if you are on a tight budget, you may want to consider a modern audio system instead. Ultimately, the decision depends on your personal preferences and priorities.

Details:

It has been tested on a Peak DCA55 tester with the following results: 2SA1076 - PNP HF: 58 ICC 2.5ma Vibe 0.633v Ibo 4.328ma 0ma. It is an original used transistor made in Japan, not modern fakes. This is an output transistor pulled from a Pioneer SX-3900.

part #: 2sa1076 prices

• $44.50-$185.00

specifications partsvintageaudio:

• brand: Pioneer
• mpn: 2sa1076

offer partsvintageaudio:

• sold: 0
• quantity: 1
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• started: May 18, 2025

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

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