NATIONAL UNION NU 12SA7GT Plate Tubes Vacuum Quad Nos

( Brand: National Union Nu ), ( Type: Vacuum Tube )

Review NATIONAL UNION NU Plate Black Tubes Vacuum Quad Matched Usa Nos Nib

The National Plate Tubes Vacuum 12SA7GT UNION Nu Quad NOS is a high-quality vacuum tube designed for audio enthusiasts and professionals seeking superior sound quality in their amplifiers. This tube is a direct replacement for the original 12SA7GT tube, ensuring compatibility with vintage and modern amplifier circuits.

The 12SA7GT vacuum tube features a unique design, with a hexagonal glass envelope that is both aesthetically pleasing and sturdy. The tube is made with high-quality materials, including a triode-connected filament and a metal base, ensuring durability and longevity. The tube's filament is made using a low-noise filament technology, which reduces electrical noise and improves the overall sound quality.

The Nu Quad NOS designation indicates that this tube is a new old stock (NOS) tube, meaning it is a newly manufactured tube that has been stored for an extended period to simulate the aging process of vintage tubes. This aging process helps to improve the tube's performance and sound characteristics, providing a warm and rich sound that is sought after by audiophiles.

The Union Nu Quad NOS 12SA7GT vacuum tube is also compatible with a wide range of amplifier circuits, including single-ended triode (SET) and push-pull amplifiers. This tube's high-voltage rating of 300V ensures that it can handle the high voltage requirements of many vintage and modern amplifiers.

In conclusion, the National Plate Tubes Vacuum 12SA7GT UNION Nu Quad NOS is a high-quality vacuum tube that delivers superior sound quality and durability. Its unique design, high-quality materials, and Nu Quad NOS technology make it a great choice for audio enthusiasts and professionals looking to improve the sound quality of their amplifiers.

1. Authenticity: If you purchase NOS (New Old Stock) tubes, you can be sure that you are getting original tubes that have never been used before.

2. Excellent sound quality: Vacuum tubes are known for their warm, rich sound, and the 12SA7GT is no exception. This tube is often used in high-end audio equipment for its ability to produce a detailed, accurate sound.

3. Durability: Vacuum tubes can last a long time if properly cared for, and NOS tubes are often in better condition than newer tubes because they have been stored in a vacuum seal to protect them from degradation.

4. Retro appeal: For audio enthusiasts who appreciate the vintage look and feel of analog technology, NOS tubes can add a certain charm and character to their audio systems.

1. Cost: NOS tubes can be expensive, especially for high-end models like the 12SA7GT.

2. Limited availability: NOS tubes are often hard to find, and it may be difficult to find a supplier who has the specific tube you are looking for.

3. Requires maintenance: Vacuum tubes require regular maintenance to ensure they are functioning properly, including regular cleaning and replacement of the filament.

4. Limited compatibility: Some modern audio equipment may not be compatible with vacuum tubes, so it's important to check the specifications of your equipment before making a purchase.

If you are an audio enthusiast who values the warm, rich sound of vacuum tubes and is willing to pay a premium for high-quality NOS tubes, then the National Plate Tubes Vacuum 12SA7GT Union Nu Quad NOS may be a worthwhile investment. However, it's important to consider the cost, limited availability, and maintenance requirements before making a purchase. It may be worth considering other options, such as high-quality new tubes, if you are looking for a more affordable or convenient alternative. Ultimately, the best choice depends on your specific needs and preferences as an audio enthusiast.

Details:

Rates for domestic usa buyers shipping for the first tube, pair, or quad will cost 4. A truly nos tube will have excellent fetter flashing condition, no dirt grime, usually in the original box, and no filament deposits.

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.

part #: 12sa7gt prices

• $12.99-$47.99

specifications tubesocketvintagego:

• brand: National Union Nu
• type: Vacuum Tube

Seller:

• zipcode: 01013
• city: Chicopee, Massachusetts

Offer:

• # bids: 0
• quantity: 1
• best offer: false
• Started: March 12, 2015, 6:28 pm
• # Sold: 0

Ratings:

1. Excellent seller, highly recommended, thanks! 03-12-15
2. Great service thanks. Very happy 03-12-15
3. Alles.k.gut verpackt. 03-12-15
4. All OK A+++ 03-12-15

General:

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

Payments:

• PayPal

Shipping:

• handling: 1 days
• cost: $4.99
• type: Flat

Returns:

• type: Money back or exchange buyer's choice
• time: 14 Days
• policy: returns accepted
• details: All tubes and other items are 100% guaranteed unless otherwise noted. Returns are accepted for any item that arrives not as described can be returned up to 14 days after it has been received. Returns are not accepted if the buyer changes thier mind about the purchase.
• paid by: Seller

National Union Nu 12SA7GT Is Similar To:

• 0912005 National Union Type Vintage Globe Triode Tube Tests Nos (30% 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)
• Nos Nib Union National 1203a 1951 7c (34.8% 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 (36.5% 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 (42.6% 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)
• Vintage 12sj7gt Nos Union Vacuum Tube 12sj7 National Nu (28.8% 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 (43.5% 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 (34.5% 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. (34% 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 (42.4% 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)
• Nos 6ca7 2-foil El34 Micas Welded National Snubber United Tube Plates Getters (37.7% 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)
• 245 National Union Pair Of (29.1% similar) I have a pair of 245 tubes for sale. It tested at 51 with a minimum of 47 on my calibrated TV-7A u tester. High bidder to pay both have no gas or shorts. One is a National Union NC both have the sonatina label. The second tube I could not find a brand but engraved base says X-245 and it tested bit ...(June 16th, 2017)