EIMAC Tube Ham Radio Vacuum 2-25A

( Brand: Eimac ), ( Type: 2-25a ), ( Country/region Of Manufacture: United States )

Review EIMAC 2-25a Tube Ham Radio Vacuum

The Eimac 2-25A Tube Ham Radio Vacuum is a high-performance vacuum tube designed specifically for use in amateur radio applications. This tube is a 2N3055 equivalent, making it a versatile and reliable choice for a wide range of radio applications.

The Eimac 2-25A Tube Ham Radio Vacuum is a pentode tube, which means it has five active elements in its construction. This design allows it to both amplify and switch signals, making it ideal for use in various radio applications. The tube has a plate anode diameter of 2.25 inches, which provides a generous amount of electrical surface area for efficient signal amplification.

The Eimac 2-25A Tube Ham Radio Vacuum is a vacuum tube, which means it operates by controlling the flow of electrons in a high vacuum environment. This design allows the tube to achieve high gain and efficiency, making it well-suited for use in power amplifiers, oscillators, and other high-power radio applications.

The Eimac 2-25A Tube Ham Radio Vacuum is designed to operate at a voltage of 300V and a current of 150mA, making it a powerful and efficient choice for use in amateur radio applications. The tube's operating temperature range is -20 C to 60 C, which ensures reliable performance in a wide range of operating conditions.

The Eimac 2-25A Tube Ham Radio Vacuum is housed in a robust and durable glass enclosure, which protects the internal components from damage and provides a hermetic seal to maintain the high vacuum environment required for operation. The tube is also equipped with heat-sink mounting points, which allow it to be easily installed and cooled in a radio circuit.

In summary, the Eimac 2-25A Tube Ham Radio Vacuum is a high-performance and versatile vacuum tube designed for use in amateur radio applications. Its pentode design allows it to both amplify and switch signals, while its vacuum operation provides high gain and efficiency. The tube is well-suited for use in power amplifiers, oscillators, and other high-power radio applications, and its robust glass enclosure and heat-sink mounting points make it easy to install and cool in a radio circuit.

1. Powerful: The Eimac 2-25A is a high-power vacuum tube that can output up to 2500 watts. This makes it suitable for long-distance communication and strong signal transmission.

2. Durable: Vacuum tubes are known for their longevity and reliability. Eimac is a well-known manufacturer of high-quality vacuum tubes, which means the 2-25A is likely to last for a long time with proper maintenance.

3. Versatile: This tube can be used in various types of ham radio setups, including linear amplifiers and transmitters.

4. Collectible: Vacuum tubes have a certain nostalgic appeal and can be considered a collector's item by some ham radio enthusiasts.

1. Size and Weight: Vacuum tubes are larger and heavier than solid-state components. This can make the equipment more difficult to transport and may require more space in your ham radio station.

2. Maintenance: Vacuum tubes require more maintenance than solid-state components. They need to be properly cooled, aligned, and tested to ensure they are working correctly.

3. Cost: Vacuum tubes, especially high-power tubes like the Eimac 2-25A, can be more expensive than their solid-state counterparts.

4. Less Energy Efficient: Vacuum tubes consume more power than solid-state devices. This can lead to higher electricity bills and may not be as environmentally friendly.

The Eimac 2-25A Tube Ham Radio is a powerful and reliable option for ham radio enthusiasts who prefer vacuum tubes. Its durability and versatility make it a good investment, but its size, weight, maintenance requirements, and cost should be considered before making a purchase. If you are willing to put in the extra effort to maintain the tube and appreciate its historical appeal, the Eimac 2-25A could be a great addition to your ham radio setup.

If you are a dedicated ham radio enthusiast who prefers vacuum tubes, the Eimac 2-25A could be a good choice for you. However, if you are looking for a more compact, low-maintenance, and energy-efficient option, you may want to consider a solid-state amplifier instead.

Details:

For out of country shipping, our standard shipping is us postal 1st class service and delivery confirmation is not always available. One Eimac 2 25a ham radio vacuum tube, made in the USA.

Please review the photo for more detail. We combine shipping when applicable. The tube has a gray circular vented plate, ceramic pin set, metal base collar and ix 4 pins.

• $34.66-$100.00

specifications tubesocketvintagego:

• brand: Eimac
• type: 2-25a
• country/region of manufacture: United States

Ratings:

1. As described, fast shipment & great packaging! A+ Thanks! 02-10-15
2. Super!! 02-10-15
3. Thank you will do business with again! 02-10-15
4. Quick ship. Thanks. 02-10-15

Returns:

• policy: returns accepted
• type: Money Back
• time: 14 Days
• paid by: Buyer
• details: Restocking fee: No

Payments:

• PayPal

Offer:

• best offer: false
• quantity: 1
• # bids: 0
• Started: February 10, 2015, 8:15 pm
• # Sold: 0

Shipping:

• cost: $5.75
• type: Flat
• handling: 1 days

General:

• in stock: Yes
• Consumer Electronics > Vintage Electronics > Vintage Audio & Video > Vintage Parts & Accessories > Vintage Tubes & Tubes Sockets

Seller:

• city: Westwood, Massachusetts
• zipcode: 02090

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