NATIONAL UNION 49.3MA Tube Vacuum 49.9MA 5Y3GT 48.7 49.1 49MA

( Brand: National Union ), ( Country/region Of Manufacture: United States ), ( Type: 5y3gt )

Review NATIONAL UNION Date 48.7 Tube Tubes Vacuum 49.1 Matched

The 49.9ma National 48.7 Union Tube Tubes Vacuum 49.9ma 49.1ma 49.3ma 5Y3GT is a high-quality vacuum tube that is perfect for audio enthusiasts and professionals who require superior sound quality. This tube is manufactured by National, a reputable brand known for its commitment to delivering top-notch audio components.

The 5Y3GT is a pentode vacuum tube, which means it has five active elements in its construction. This specific model is designed for use in preamplifiers, amplifiers, and other audio equipment. It is a triode-connected pentode, which means it can operate in both triode and pentode modes, providing flexibility in circuit design.

This tube has a heater voltage of 6.3V and a plate voltage of 300V. It has a plate current of 49.9mA, 49.1mA, or 49.3mA, depending on the specific model, and a screen grid voltage of 180V. The 5Y3GT is capable of delivering an output power of up to 2.5 watts, making it suitable for use in low-power audio applications.

The vacuum tube is made of high-quality materials, including a glass envelope and metal filaments. The filaments are made of tungsten, a material known for its durability and resistance to high temperatures. The glass envelope is designed to withstand the high vacuum pressure inside the tube, ensuring a long lifespan.

The 49.9ma National 48.7 Union Tube Tubes Vacuum 49.9ma 49.1ma 49.3ma 5Y3GT is a great choice for audio enthusiasts who are looking for a tube that can deliver a warm, rich sound. Its high-quality construction and versatile design make it a reliable and efficient addition to any audio system. Whether you're a professional audio engineer or a music lover with a passion for vintage sound, this tube is sure to meet your needs.

1. High Quality: These tubes are manufactured by reputable companies, ensuring high quality and reliability.

2. Long Life Span: Vacuum tubes, when properly maintained, can last for many years.

3. Improved Sound Quality: Vacuum tubes often provide a warmer, more natural sound compared to solid-state components.

4. Suitable for Vintage Equipment: If you have vintage audio equipment, these tubes will likely be compatible and can improve its performance.

1. Higher Cost: Vacuum tubes can be more expensive than their solid-state counterparts, especially high-quality ones.

2. Less Efficient: Vacuum tubes can consume more power and produce more heat than solid-state components.

3. Requires Maintenance: Vacuum tubes need regular cleaning and alignment to maintain optimal performance.

4. Fragile: Vacuum tubes are more fragile and can break easily, which can be costly to replace.

If you value sound quality, have vintage audio equipment, and are willing to invest in high-quality components, buying 49.9ma National 48.7 Union Tube Tubes (5Y3GT) can be a worthwhile investment. However, consider the higher cost, maintenance requirements, and fragility before making a decision.

If you're unsure about buying these tubes, consider testing them in your equipment first to see if the improved sound quality is worth the additional cost and maintenance. It's also a good idea to purchase from a reputable dealer to ensure the tubes are in good working condition.

Details:

I also know how to pack for safe delivery even if mishandled by postal employee's. Here is are 3 matching National Union 5Y3GT tubes with black plates an bottom rectangle fetters ma. These all have matching date codes of Lr tu and very nice printing ma where 1600 is minimum tested at 200vdc on my regularly calibrated heath kit Ty 1a mutual conductance tester which has been rebuilt to factory specifications with hand selected and measured components that measure exactly what the schematic calls for.

part #: 49.3ma prices

• $12.00-$90.00

specifications tubesocketvintagego:

• brand: National Union
• country/region of manufacture: United States
• type: 5y3gt

General tubesocketvintagego:

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

Ratings:

1. Quick response and fast payment. Perfect! THANKS!! 11-13-16
2. Good buyer, prompt payment, valued customer, highly recommended. 11-02-16
3. Great buyer!! Fast transaction!! Hope you shop with me again!! 11-02-16
4. Thank You - The Best Jeans at the Best Prices 11-03-16
5. Smooth Transaction 11-03-16

Offer tubesocketvintagego:

• Started: November 16, 2016, 9:33 pm
• best offer: false
• quantity: 1
• # bids: 0
• # Sold: 0

Seller tubesocketvintagego:

• city: Mira Loma, California
• zipcode: 91752

Returns tubesocketvintagego:

• type: Money Back
• time: 14 Days
• paid by: Seller
• policy: returns accepted

Payments tubesocketvintagego:

• PayPal

Shipping tubesocketvintagego:

• type: Flat
• handling: 2 days
• cost: $3.5

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