UNITED 2A3W Sylvania Vacuum Tube Contract 5/1951

( Brand: United ), ( Manufacturer Part Number: 2A3W ), ( Type: Vacuum Tube ), ( Unit Type: Unit )

Review UNITED Sylvania Vacuum Tube Matched Pair Tested Strong Navy Contract 5/1951

The United 2A3W Sylvania Vacuum Tube, manufactured in 1951, is a vintage audio component that holds significant historical and functional value. This triode vacuum tube, specific model number 2A3W, was produced by Sylvania, a renowned American electronics company.

The United 2A3W tube is designed for use in high-fidelity audio applications, such as in amplifiers, preamplifiers, and other audio equipment. It is a dual triode, meaning it has two independent amplifying stages in one tube. The 2A3W is known for its warm and rich sound, making it a popular choice for vintage audio enthusiasts and musicians.

The tube's glass envelope is made of tough borosilicate glass, which ensures durability and resistance to shock and vibration. The metal filament is made of tungsten, a material that provides long-lasting filament life. The grid and plate electrodes are made of high-quality materials, ensuring reliable operation and consistent performance.

The United 2A3W Sylvania Vacuum Tube is a collectible item for audio enthusiasts and vintage electronics collectors. Its historical significance, combined with its unique sound quality, makes it a sought-after component for those looking to build or restore vintage audio equipment.

In summary, the United 2A3W Sylvania Vacuum Tube is a vintage audio component with a rich history and unique sound. Its durability, high-quality materials, and suitability for high-fidelity audio applications make it a valuable addition to any vintage audio setup.

1. Historical value: This tube is a vintage piece, which can add a unique and nostalgic touch to your audio system.

2. Quality craftsmanship: Vacuum tubes manufactured in the 1950s were often made with high-quality materials and craftsmanship, which can result in a richer, more nuanced sound.

3. Unique sound signature: Tubes can provide a warmer, more natural sound compared to solid-state transistors, which can make your audio system sound more analog and less digital.

1. Limited availability: Vintage tubes can be difficult to find and may require searching through various online marketplaces or specialized stores.

2. Compatibility issues: Older tubes may not be compatible with modern audio equipment, which may require additional components or modifications to use them.

3. Lower efficiency: Vacuum tubes are generally less efficient than solid-state transistors, which can result in higher energy consumption and heat production.

4. Fragility: Vacuum tubes are delicate and can be easily damaged, which can make them more expensive to repair or replace.

Buying a United 2A3W Sylvania vacuum tube from 1951 can be a rewarding experience for audio enthusiasts who appreciate historical value, craftsmanship, and unique sound signatures. However, it's important to consider the potential limitations and challenges of using a vintage tube in a modern audio system. If you're willing to invest the time and effort to find a compatible tube and modify your equipment, you may be able to enjoy the rich, nuanced sound that only a vintage tube can provide.

If you're interested in purchasing a United 2A3W Sylvania vacuum tube from 1951, I recommend researching the specific model and doing your due diligence to ensure that it will be compatible with your audio equipment. You may also want to consider investing in a high-quality tube tester to ensure that the tube is functioning properly before using it. Additionally, be prepared to potentially pay a premium price for a vintage tube, as they can be difficult to find and in high demand among audio enthusiasts.

Details:

Mutual conductance 3600 and 3700. Both test strong and match. Navy tubes from 1951 in original packaging. Tested on Hickok model 600A for shorts and mutual conductance.

New old stock. Nominal value of 3000 new. Measurements listed on each box.

part #: 2a3w prices

• $12.99-$74.99

specifications tubesocketvintagego:

• brand: United
• mpn: 2a3w
• type: Vacuum Tube
• unit type: Unit

shipping tubesocketvintagego:

• cost: $5.99
• type: Fixed
• transit: 5-9 Days
• carrier: USPS
• class: Standard
• service: USPS First Class

general tubesocketvintagego:

• Vintage Audio Video > Vintage Parts Accessories > Vintage Tubes Tube Sockets

payments tubesocketvintagego:

• wallet: Paypal
• other
• credit card: Visa

offer tubesocketvintagego:

• started: August 25, 2024
• availability: In Stock
• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1

returns tubesocketvintagego:

• policy: No Returns

seller tubesocketvintagego:

• rating: 100.0%
• # reviews: 329
• city: Cupertino, California

United 2A3W Is Similar To:

• 1216 United Electronics Rare New Vintage Vacuum Tube Nib Nos Computer (43% similar) ...(May 9th, 2018)
• 19br5 Um80 United Electron Vacuum (28.3% similar) Call toll-free to with specific requests. For updated shipping if you purchase multiple products. is the largest supplier of nos tubes in world...(April 7th, 2017)
• Nos 6ca7 2-foil El34 Micas Welded National Snubber United Tube Plates Getters (24.2% similar) Then we match the mutual conductance, dates and aesthetics looks. Or messaging with any questions or specific tube needs. This tube is brand new, unique 2 square foil fetters, smooth grey welded plates with two heat vents, square mica with 2 snubbed mica attached to the top mica, two copper and four...(January 12th, 2015)
• 203a-303a Pair Type Radio Output Transmitting Tubes Rca United (28.2% similar) Of course the TV-7 does not provide enough voltage for a definitive test, but these appear to be usable. Shipping weight is 2 pounds. One is an rca radio tron and labelled 203A, while the other by United, 303A. Please see my other offers for more interesting phono radio audio items and tubes. ...(April 29th, 2018)
• 311-ch United Tube Vintage Vacuum (30.1% similar) 8 inch by inch 311 ch United vacuum tube made in us. No cracks or brakes...(March 3rd, 2015)
• 311-ct Two United Electronics Company Vacuum Tubes (36.9% similar) Also included are 2 Bernbach 4 pin 424 ceramic tube sockets. Has the numbers 6686 on one and 6693 other couldn't make out. Used no box...(October 5th, 2018)
• Rare Electronics Power 311ct 311 Transmitting Tube United (26.3% similar) It appears to be in good condition, but I don't have any way of testing tubes so it must be sold as is or for parts. This is a United electronics 311CT tube. Please look over the photos well before buying. 7s oddities. And ask all questions and request more pics if needed before buying too...(January 3rd, 2015)
• 3b24s United Electronic Company Electronics Electron Tube (24.8% similar) High voltage rectifier tube filament tested good...(November 2nd, 2018)
• 572 United Electronics Vacuum Tube (38.6% similar) 30 day free return. Up for offer one United electronics UE-572-B vacuum tube. Tube has continuity that was the only testing I could do. Tubes is very clean base tight. Cut off time for same day shipping is 12 noon pacific...(April 12th, 2018)
• 6db6 United Vacuum Tube Vintage (41.4% similar) is a vintage new old stock United 6DB6 electronic vacuum tube in original packaging. Never tested outside of manufacturing plant that I know. New and never used audio radio vacuum tube. Please view all pics...(November 11th, 2017)
• 949h United Electronics Vacuum Power Tube In Unused Condition (42.6% similar) The envelope is completely clear and clean. I am including the specification sheet with tube. It measures 14 inches long and 4 wide. This power tried shows no markings on the caps or pins to indicate it was ever installed in a piece of equipment. 7AMPS and 3,500 plate volts . I am a tube guy so ...(April 1st, 2018)