RADIOSHACK 276-704 Radio Archer Audio Amplifier Ic Shack BA521

( Brand: Radioshack ), ( Manufacturer Part Number: 276-704 ), ( Model: 276-704 BA521 ), ( Part Type: Radio Amplifier ), ( Color: Black )

Review RADIOSHACK New Radio Shack Archer Audio Amplifier Ic

The RadioShack 276-704 Radio Shack BA521 Audio Amplifier IC is a versatile and powerful integrated circuit designed for audio amplification applications. This small yet powerful component measures only 14.1mm x 11.3mm x 3.9mm, making it ideal for use in compact electronic projects and designs.

The BA521 is a dual triode common emitter amplifier IC, which means it can amplify two audio signals independently. Each amplifier stage is capable of delivering up to 350mW of output power into a 4 ohm load, making it suitable for driving medium-sized speakers or headphones. The amplifier also features a gain of approximately 20dB, allowing it to boost weak audio signals to a more audible level.

The BA521 comes with several built-in protection circuits, including overcurrent and thermal protection, ensuring that the amplifier stays safe from potential damage caused by excessive current or high temperatures. The IC also has a biasing circuit that automatically adjusts the base-emitter voltage of the transistors to ensure optimal amplification, eliminating the need for external biasing components.

The pinout of the BA521 is straightforward and easy to understand. The input pins are connected to the base of the transistors, while the output pins are connected to the collector. The ground pin is used for the common ground connection, and the 12V DC power pin is used to provide power to the IC. The IC also features a bypass capacitor pad that can be used to add additional capacitance to the power supply, improving the stability and performance of the amplifier.

The BA521 is a popular choice among hobbyists and electronics enthusiasts due to its high power output, ease of use, and affordability. It can be used in a wide range of audio amplification projects, including guitar amplifiers, public address systems, and audio mixers. Overall, the RadioShack 276-704 Radio Shack BA521 Audio Amplifier IC is a must-have component for any electronics enthusiast looking to amplify audio signals in their projects.

The RadioShack 276-704 RadioShack 2BA521 Audio Amplifier IC is a discrete audio power amplifier that can deliver up to 1.5 watts of output power per channel into 8 ohms. Here are some pros and cons that may help you decide whether to buy this amplifier IC:

1. High Power Output: The 2BA521 amplifier IC can deliver a considerable amount of power, making it suitable for applications where a moderate level of power is required.

2. Discrete Design: Discrete amplifier designs offer better control over the circuit's performance and allow for easier modification compared to integrated circuits.

3. Wide Input Voltage Range: The amplifier IC can operate on a wide range of input voltages, making it more versatile.

4. Easy to Use: The 2BA521 amplifier IC is relatively easy to use, and RadioShack provides a user-friendly datasheet and application notes.

1. Limited Gain: The maximum gain of the 2BA521 amplifier IC is only 33dB, making it less suitable for applications where high gain is essential.

2. Requires External Components: The 2BA521 amplifier IC requires external components, such as capacitors, resistors, and transistors, to function correctly.

3. Limited Current Capability: The 2BA521 amplifier IC can only deliver a maximum of 200mA of current per channel, which may be a limitation for some applications.

In conclusion, the RadioShack 276-704 2BA521 Audio Amplifier IC is a suitable choice for applications where moderate power and easy modification are essential. Its discrete design, wide input voltage range, and high power output make it an attractive option for hobbyists and DIY enthusiasts. However, its limited gain, requirement for external components, and limited current capability may be limitations for some applications.

If you're looking for an amplifier IC with a higher gain, more current capability, or integrated design, you may want to consider other options. However, if the 2BA521's pros outweigh the cons for your application, it could be a great choice. Ultimately, the decision depends on your specific requirements and preferences.

Details:

part #: 276704 prices

• $6.87-$14.99

specifications ampsguru:

• brand: Radioshack
• mpn: 276-704
• model: 276-704 Ba521
• part type: Radio Amplifier
• color: Black

shipping ampsguru:

• transit: 3-9 Days
• carrier: USPS
• service: USPS Ground Advantage
• type: Fixed
• cost: $5.98
• class: Standard

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offer ampsguru:

• started: August 6, 2025
• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock

returns ampsguru:

• policy: No Returns

general ampsguru:

• condition: New
• In-Car Technology, GPS Security > In-Car Entertainment > Amplifiers

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• rating: 100.0%
• city: Las Vegas, Nevada
• # reviews: 7126

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