NATIONAL UNION 46-246 Nu Radio Audio Amplifier Vacuum Tubes Valves Globe 346

( Brand: National Union ), ( Manufacturer Part Number: 46-246 ), ( Type: Vacuum Tube ), ( Tube Type: 46 246 ), ( Product Type: Vacuum Tubes ), ( Country Of Manufacture: United States )

Review NATIONAL UNION Type Nu 46 Radio Audio Amplifier Vintage Vacuum Tubes Valves Globe 246 346

National Union 46-246/NU 46 Radio Audio Amplifier Vacuum Tubes Valves - Globe 246/346

Experience the rich, robust sound of yesteryears with the National Union 46-246/NU 46 Radio Audio Amplifier Vacuum Tubes Valves - Globe 246/346. These vintage tubes are an exquisite addition to any classic audio setup, offering a unique blend of warmth, clarity, and power that modern solid-state components simply cannot replicate.

The National Union 46-246/NU 46 tubes are renowned for their exceptional performance in radio and audio amplifier applications. The Globe 246/346 designation refers to the specific pin configuration of these tubes, making them a versatile choice for a wide range of vintage equipment.

Each tube is meticulously crafted with precision and care, ensuring consistent quality and reliability. The vacuum-sealed glass envelope houses a carefully balanced combination of noble gases and filament materials, designed to optimize performance and longevity.

The National Union 46-246/NU 46 tubes deliver a smooth, full-bodied sound with a rich harmonic structure, making them ideal for music enthusiasts who value the authentic, analog character of vintage audio equipment. Whether you're listening to jazz, blues, or classical music, these tubes will bring a new level of depth and warmth to your listening experience.

These tubes are not just a mere replacement for aging components; they are a testament to the art of tube audio engineering. Each tube is a piece of history, encapsulating the spirit of a bygone era and offering a glimpse into the golden age of radio and audio.

Invest in the National Union 46-246/NU 46 Radio Audio Amplifier Vacuum Tubes Valves - Globe 246/346 and elevate your vintage audio setup to new heights. Enjoy the timeless, captivating sound of these iconic tubes and rediscover the magic of analog audio.

Pros, Cons, and Recommendation for Buying National Union 46-246 Nu 46 Radio Audio Amplifier Vacuum Tubes Valves Globe 246 346

1. Authenticity: These vacuum tubes are original National Union products, ensuring high-quality performance.

2. Vintage Appeal: These tubes have a classic, vintage aesthetic that can add character to your audio equipment.

3. Durability: Vacuum tubes, when properly maintained, can last for thousands of hours, making them a long-term investment.

4. Wide Compatibility: These tubes are compatible with a wide range of audio devices, particularly vintage radios and amplifiers.

1. Limited Availability: Original National Union tubes are not as commonly available as modern equivalents, which can make them more expensive.

2. Maintenance: Vacuum tubes require regular maintenance, such as aligning and replacing anodes, which can be time-consuming.

3. Fragility: Vacuum tubes are delicate and can break easily if dropped or mishandled.

4. Incompatibility with Modern Equipment: These tubes may not work efficiently with modern audio devices, requiring the use of a separate preamp.

Buying the National Union 46-246 Nu 46 Radio Audio Amplifier Vacuum Tubes Valves Globe 246 346 can provide a unique, high-quality audio experience for those with vintage audio equipment. However, their limited availability, maintenance requirements, fragility, and potential incompatibility with modern equipment should be carefully considered.

If you have a vintage radio or amplifier and are looking to enhance its sound quality, these tubes could be a great investment. However, it's essential to ensure they are compatible with your specific device and weigh the costs against the potential benefits. For those with modern equipment, it may be more practical to consider modern alternatives or preamps that can accommodate these tubes.

Details:

Tubes have black ribbed plates, clear top, engraved base. Bottom side foil fetter, tube tests: 68, 78, 66 %. Price is for all tubes pictured. Scale 1-1 good quality percentage on my Triplet starts at 54.

Tested on Triplet tube tester for shorts and leaks as well. Two 2 No 46 National Union vintage vacuum tubes, ST shape,made in USA.

part #: 46246 price

• $119.99

specifications tubesocketvintagego:

• brand: National Union
• mpn: 46-246
• type: Vacuum Tube
• tube type: 46 246
• product type: Vacuum Tubes
• country of manufacture: United States

shipping tubesocketvintagego:

• carrier: USPS
• class: Standard
• cost: $5.00
• type: Fixed
• transit: 3-8 Days
• service: USPS Ground Advantage

offer tubesocketvintagego:

• started: September 3, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 1

payments tubesocketvintagego:

• other
• wallet: Apple-pay
• credit card: Diners-club

general tubesocketvintagego:

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

returns tubesocketvintagego:

• time: 60 Days
• paid by: Seller
• method: Money back
• policy: Returns Accepted

seller tubesocketvintagego:

• city: Irwin, Pennsylvania
• rating: 99.8%
• # reviews: 18521

National Union 46-246 Is Similar To:

• 0912005 National Union Type Vintage Globe Triode Tube Tests Nos (43.5% 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 (38.3% 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 (22.1% similar) One 7C3 1203A tube original box appears nos date 52ND week of 1951 shipping is free to continental us...(February 28th, 2015)
• 12a5 National Union Vacuum Tube (40.3% 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 (32.8% similar) 12JT6A tube's qty...(January 6th, 2015)
• Union Quad National Nu 4 12sa7gt Vacuum Plate Black Matched Nos Usa Nib Tubes (34.3% 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 (14.4% 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 (42.8% 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 (39.4% 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. (25% 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)
• 1dp1 National Union Very Rare Nos Nu Tube Inch Crt Free (40.5% similar) Free shipping is included. 1 inch CRT this is a very rare tube and guaranteed. Listing does not include anything mentioned in the and or shown photo's. Up for bids is a nos nib National Union 1DP1 tube...(March 23rd, 2018)