SIEMENS E280F-SIEM Tube Driver Pentode 7722 2A3 300B

( Brand: Siemens ), ( Manufacturer Part Number: E280F-SIEM ), ( Part Type: Tube Driver ), ( Warranty Manufacturer: 3 Mois )

Review SIEMENS Tube 2a3 Driver Pentode

The Siemens E280F is a highly regarded 300B driver pentode tube, manufactured by Siemens. This tube, with its model number 7722 tube 2A3, is a crucial component in many high-end audio systems, particularly in vacuum tube amplifiers.

The Siemens E280F is renowned for its exceptional performance and reliability. It possesses a triode-connected plate circuit, which provides a low plate impedance and a wide bandwidth, resulting in a smooth and natural sound. The tube's design allows for a low plate dissipation, thereby minimizing distortion and ensuring a clean and detailed sound.

The Siemens E280F has a filament voltage of 6.3V and operates at a plate voltage of 300V, making it suitable for a wide range of amplifier designs. The tube has a maximum plate current of 1.2A, which provides ample power to drive a variety of output tubes.

The Siemens E280F is made with high-quality materials and undergoes rigorous testing to ensure its reliability and longevity. The tube is encased in a glass envelope, which is vacuum-sealed to prevent the introduction of moisture or gases. The metal base of the tube is gold-plated, providing a secure electrical connection and enhancing the tube's aesthetic appeal.

In conclusion, the Siemens E280F 7722 tube 2A3 is a high-performance 300B driver pentode tube that is a popular choice among audiophiles and audio enthusiasts. Its low distortion, wide bandwidth, and smooth sound make it an excellent choice for amplifier applications, particularly in vacuum tube amplifiers. With its high-quality construction and rigorous testing, the Siemens E280F is a reliable and long-lasting component that will provide years of enjoyment for music lovers.

1. High-quality construction: Siemens is known for its high-quality and durable products, and the E280F is no exception. It is made with precision and care, ensuring a long lifespan.

2. Reputable brand: Siemens is a well-established and reputable brand in the electronics industry. This means you can trust that the E280F will perform well and provide reliable service.

3. Suitable for vintage audio equipment: The E280F is a popular choice for vintage audio enthusiasts who want to restore or build their own amplifiers. It is compatible with many vintage audio systems and can provide a rich, warm sound.

4. Energy-efficient: The E280F is a low-power tube that can save you money on electricity bills. It also generates less heat, which can be beneficial in warmer climates.

1. Expensive: The E280F is a high-end tube and can be quite expensive compared to other options on the market.

2. Limited availability: Due to its popularity and high demand, the E280F can be difficult to find in stock. This may require you to shop around and wait for availability.

3. Requires maintenance: Tube amplifiers, including the E280F, require regular maintenance to ensure proper functioning. This includes cleaning the tube sockets, checking for any damage, and replacing the tube if necessary.

4. Potential for damage: Tube amplifiers are delicate and can be easily damaged if not handled properly. This includes avoiding excessive heat, avoiding dropping the tube, and avoiding touching the tube's filament.

The Siemens E280F is a high-quality tube that can provide a rich, warm sound for vintage audio enthusiasts. It is built to last and is compatible with many vintage audio systems. However, it is expensive, limited in availability, requires maintenance, and can be easily damaged if not handled properly. If you are willing to invest in a high-end tube and put in the necessary maintenance, the E280F can be a great addition to your audio system. If not, there are other options available that may be more affordable and suitable for your needs.

If you are a vintage audio enthusiast and are looking for a high-quality tube to upgrade your audio system, the Siemens E280F is a great option to consider. It can provide a rich, warm sound that is suitable for many vintage audio systems. However, be prepared to invest in a high-end tube and put in the necessary maintenance to ensure proper functioning. If you are not ready to make that investment, there are other options available that may be more affordable and suitable for your needs.

Details:

This is a single tube in untested as condition - gold pins.

part #: e280f prices

• $112.36-$200.00

specifications tubesocketvintagego:

• brand: Siemens
• mpn: E280f-siem
• part type: Tube Driver
• warranty manufacturer: 3 Mois

payments tubesocketvintagego:

• credit card: Discover
• other
• wallet: Apple-pay

returns tubesocketvintagego:

• policy: No Returns

general tubesocketvintagego:

• Vintage Audio Video > Vintage Parts Accessories > Vintage Tubes Tube Sockets
• condition: Used

seller tubesocketvintagego:

• # reviews: 128
• rating: 100.0%
• city: Jacksonville, Oregon

offer tubesocketvintagego:

• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: October 12, 2024

shipping tubesocketvintagego:

• class: Standard
• type: Calculated
• cost: $4.47
• carrier: USPS
• transit: 7-12 Days
• service: USPS Ground Advantage

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