NATIONAL UNION RADIO CORP Tube Box U.S.N.3C27B

( Brand: National Union Radio Corp ), ( Manufacturer Part Number: 3C27B ), ( Model: U.S.N. 3C27B ), ( Type: Electron Tube ), ( Country/region Of Manufacture: United States )

Review NATIONAL UNION RADIO CORP Electronic Tube Us.s.n.3c27b Rare Vintage Box

The National Union Radio 3C27B Tube, also known as the U.S.N. 3C27B, is a vintage audio component that holds a significant place in the history of radio technology. This tube is a direct-heated triode, specifically designed for use in medium-power radio transmitters and amplifiers.

The 3C27B tube is characterized by its high-quality construction, featuring a glass enclosure with internal metal components. The tube's design allows for efficient heat dissipation, with a large metal heater filament and a cooling fin at the base. This cooling fin is not only functional but also adds a distinctive aesthetic touch to the tube.

The 3C27B tube has a rated voltage of 300 volts and a plate current of 25 milliamperes. Its anode-to-cathode distance is approximately 9.5 inches, making it suitable for use in larger radio circuits. The tube's high gain and high input impedance make it an ideal choice for high-fidelity audio applications.

The National Union Radio 3C27B tube is a testament to the craftsmanship and technological innovation of its time. It's not just a piece of electronic equipment but a piece of history, a link to the past when radio was the primary source of entertainment and communication.

In restoring or building vintage radio sets, the 3C27B tube is a cherished component. Its warm, rich sound quality adds a unique character to the audio output, making it a favorite among audio enthusiasts and collectors. The National Union Radio 3C27B tube is more than just a tube; it's a symbol of the golden age of radio.

1. Authenticity: The National Union Radio 3C27B tube is an original and authentic tube, which can be a valuable asset for collectors or for those looking for a vintage replacement for their audio equipment.

2. Quality: The 3C27B tube is known for its high-quality sound and durability, making it a popular choice for audio enthusiasts.

3. Rare Availability: As a vintage tube, the 3C27B is not as commonly available as newer tubes, which can make it a desirable item for those looking for something unique.

1. Compatibility: The 3C27B tube may not be compatible with all modern audio equipment, which could limit its usefulness for some buyers.

2. Cost: Vintage tubes, such as the 3C27B, can be more expensive than newer tubes, which could be a deterrent for some buyers.

3. Maintenance: Tubes can be more prone to failure than solid-state components, which could require more maintenance and replacement over time.

The National Union Radio 3C27B Tube (USN 3C27B) is a valuable and desirable item for audio enthusiasts and collectors due to its high-quality sound, authenticity, and rarity. However, potential buyers should be aware of its compatibility issues, higher cost, and maintenance requirements before making a purchase. If these factors do not pose a problem, the 3C27B tube can be a worthwhile investment for those looking for a unique and high-performing audio component.

If you are an audio enthusiast or collector and are interested in the National Union Radio 3C27B Tube (USN 3C27B), I would recommend doing thorough research to ensure compatibility with your audio equipment and to understand the expected maintenance requirements. Additionally, consider the cost of the tube and weigh it against the potential benefits of its high-quality sound and rarity. If you are still interested, I would recommend purchasing the tube from a reputable seller to ensure its authenticity and quality.

Details:

Don't miss your chance to own a piece of history with this National Union Radio Corp electronic tube. Its box adds to its value as a collectible item.Not only is this tube great addition any vintage audio or video collection, but it also serves piece of art. This vintage electronic tube from National Union Radio Corp is a rare find for collectors and enthusiasts alike. New Old Stock Its box adds to its value as a collectible item.

3C27B, this tube is a piece of American manufacturing history. Made in the USA, this tube is a testament to ingenuity and innovation of American engineering. With its intricate design and impressive craftsmanship, it is a beautiful fascinating piece to admire. With its model USAN.

part #: 3c27b prices

• $25.00-$50.00

specifications tubesocketvintagego:

• brand: National Union Radio Corp
• mpn: 3c27b
• model: U.s.n. 3c27b
• type: Electron Tube
• country/region of manufacture: United States

offer tubesocketvintagego:

• sold: 0
• quantity: 1
• availability: In Stock
• started: December 27, 2023
• best offers: True
• options: Ship-to-home

seller tubesocketvintagego:

• detailed rating: Speed: 5/5, Accuracy: 5/5, Communication: 5/5, Charges: 5/5
• # feedbacks: 1748
• city: Omaha, Nebraska
• rating: 100.0%

payments tubesocketvintagego:

• wallet: Paypal
• credit card: Visa

shipping tubesocketvintagego:

• carrier: USPS
• service: USPS Ground Advantage
• class: Standard
• cost: $8.00
• type: Calculated
• transit: 6-10 Days

general tubesocketvintagego:

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

returns tubesocketvintagego:

• policy: No Returns

ratings:

1. Awesome bottle 12-14-23
2. Great item,price and vendor. 12-26-23
3. Great product 11-29-23
4. as presented, very well packaged, would do again AAAA 12-22-23
5. Nice bottle 12-05-23

National Union Radio Corp 3C27B Is Similar To:

• 0912005 National Union Type Vintage Globe Triode Tube Tests Nos (37.5% similar) 76 through the messaging system. I rate these tubes nos new old stock. I will not guarantee that our readings match your. All our tubes are tested thoroughly on an AT1000. About our tube:all tubes are tested with the audiophile in mind for shorts, gas, mutual conductance and noise large tube lots ...(September 20th, 2018)
• Xe5 Cl-8 188-5 National 10dx8 5 Sylvania Lot Rca Vintage Ge Tube 6f6g (34.7% similar) Vintage 5 tube lot rca XE5 cl 8 National 6F6G sylvan 10DX8 ge tubes have not been tested. There is a rca tube in a National box...(March 5th, 2015)
• Nos Nib Union National 1203a 1951 7c (25.2% similar) One 7C3 1203A tube original box appears nos date 52ND week of 1951 shipping is free to continental us...(February 28th, 2015)
• 1223 National 1957 Rare Nos (31.5% similar) Prior to placing an order for a price quote any noise or microphone testing. E stacks: 4021A, 4101D, 4104D, 4205B, 4205D, 4242A, 4274A, 4275A, 4300A, 4300B,3A 167M, 3b 151A, CV851 6B4G brown base WE101D f WE216A WE271A WE308A WE347A WE437A WE-D86326WE104D WE223A WE274A b WE310A WE348A WE440A WE-...(May 27th, 2017)
• 12a5 National Union Vacuum Tube (39.3% similar) Tested with my calibrated TV-7U tube tester. Minimum gm 45 is equal to 65 of the life tube. Tube tested at 79 for shorts and gas. Cut off time for same day shipping is 12 noon pacific. 30 day free return. Up for offer one National 12A5 tube...(February 17th, 2018)
• 12jt6a National Tube Amplifier (28.8% similar) 12JT6A tube's qty...(January 6th, 2015)
• Union Quad National Nu 4 12sa7gt Vacuum Plate Black Matched Nos Usa Nib Tubes (26.6% similar) What started as a hobby several years ago to fund my obsession with tube audio, viva tubes has quickly grown into a full time business. Other options available only by request. We even guarantee our tubes to arrive without having any sound quality issues like micro phonics or noise...(March 12th, 2015)
• Vintage 12sj7gt Nos Union Vacuum Tube 12sj7 National Nu (14.7% similar) I don't think it has ever been out of the box before now. If we miss your call, please leave a message. Vintage nu National Union 12SJ7GT vacuum tube, 12SJ7, nos free shipping. Vintage nu National Union 12SJ7GT vacuum tube, 12SJ7 numbers on the tube green box and lettering this item appears to be ...(March 6th, 2015)
• 14w7 Gt National Union Vacuum Tube Nos Nib Single Valvola Hre (43.7% similar) And all the angels sang because heavenly music was playing it turned way up. These tubes are nos nib. It is easy at that point to take where top line intersects the plate voltage , find lamp level and compare data sheet. All are nos nib and tested by me. I give a number of evaluations for tubes. At...(January 16th, 2019)
• 182-b National Union Vintage Triode Nos (41.7% similar) Tested OK on TV10D u as a type 45 with proper filament voltage . Original box included, but is in poor condition. 182-B vintage tried nos National Union...(March 8th, 2019)
• 6x5gt Vintage Union National Nos Test Tube Pair Nib 1940-1945 Great. (15.9% similar) Next day shipping we combine shipping. Everything always arrives fast and fine. Canada everything always arrives fast and fine USA shipping rest of world typically 9 to test great for rectifier tubes tube tube vintage about 1945TWO solid rectifiers also tested no shorts. National Union 6X5GT tube ...(February 11th, 2015)