NATIONAL ELECTRONICS NL-575A Wave Mercury Vapor Rectifier Ok Vacuum Tube Elect

( Brand: National Electronics ), ( Manufacturer Part Number: NL-575A ), ( Part Type: Rectifier Vacuum Tube Test )

Review NATIONAL ELECTRONICS Elect Wave Mercury vapor Rectifier Vacuum Tube Test

The NL-575A National Wave Mercury-Vacuum Tube is a vintage and highly sought-after electronic component in the realm of audio and vacuum tube technology. This tube, manufactured by National, is a rectifier, specifically a mercury-vapor type, which has been known for its exceptional performance and reliability in various applications.

The NL-575A is characterized by its unique NL-series design, which is immediately recognizable by its tall, cylindrical shape and polished, gold-colored grid. This tube measures approximately 9.5 inches in length and has a diameter of 2.5 inches, making it both sturdy and easily handleable.

The NL-575A operates on mercury vapor, which provides a smooth, constant current when in use. This characteristic makes it an ideal choice for applications that require a stable power supply, such as radio receivers, amplifiers, and other vacuum tube-based audio equipment.

Inside the NL-575A, you'll find a high-pressure mercury vapor and metal filament, which are housed within a glass envelope. The filament, made of tungsten, glows brightly when powered up, providing the necessary heat to ionize the mercury vapor. This ionized mercury vapor then conducts electrical current between the grid and the plate, allowing the tube to function as a rectifier.

The NL-575A is known for its excellent performance, providing a high current capacity and a long service life. This tube's performance is further enhanced by its large plate area, which allows for efficient and stable operation.

In summary, the NL-575A National Wave Mercury-Vacuum Tube is a powerful and reliable vintage component, perfect for any vintage audio enthusiast or collector. Its unique design, exceptional performance, and long service life make it a valuable addition to any collection or vintage audio setup.

1. High Power Handling: NL-575A is a high-power rectifier tube, capable of delivering a large amount of current, making it suitable for applications that require high power.

2. Long Lifespan: Mercury-vapor rectifier tubes, including the NL-575A, typically have a longer lifespan compared to other types of rectifier tubes, as they do not suffer from filament burnout.

3. High Efficiency: Mercury-vapor rectifier tubes are known for their high efficiency, which translates to less heat production and improved power efficiency.

4. Wide Operating Voltage Range: The NL-575A can operate over a wide voltage range, making it versatile for use in various applications.

1. Environmental Concerns: Mercury-vapor rectifier tubes contain mercury, a toxic substance that can pose a risk to the environment if not disposed of properly.

2. Availability and Cost: Due to the environmental concerns and the phasing out of mercury-containing devices, these tubes can be more expensive and harder to find than other types of rectifier tubes.

3. Vulnerability to Breakage: Like other vacuum tubes, the NL-575A is fragile and can be easily damaged if not handled with care.

4. Limited Applications: While the NL-575A is suitable for high-power applications, its use is limited to those that require a mercury-vapor rectifier tube.

The NL-575A National Wave Mercury-Vapor Rectifier Vacuum Tube is a high-power, efficient, and long-lasting rectifier tube, making it an attractive option for certain applications. However, the environmental concerns and the potential hazards associated with mercury-vapor rectifier tubes, along with their limited availability and higher cost, should be considered before making a purchase.

If you require a high-power rectifier tube for your application and the environmental concerns and higher cost of mercury-vapor rectifier tubes do not pose a significant issue, the NL-575A National Wave Mercury-Vapor Rectifier Vacuum Tube could be a suitable option. Otherwise, consider alternative rectifier tubes that do not contain mercury and are more widely available and cost-effective.

Details:

National Electronics NL-575A half-wave mercury-vapor rectifier vacuum tube test ok only shown in the photos is included.

part #: nl575a prices

• $20.00-$48.00

specifications tubesocketvintagego:

• brand: National Electronics
• mpn: Nl-575a
• part type: Rectifier Vacuum Tube Test

Seller tubesocketvintagego:

• city: Morriston, Florida
• zipcode: 32668

Offer tubesocketvintagego:

• Started: May 11, 2018, 4:05 am
• quantity: 1
• best offer: false
• bids: 0
• Sold: 0

Payments tubesocketvintagego:

• CashOnPickup
• PayPal

Returns tubesocketvintagego:

• type: Money Back
• time: 30 Days
• details: Will not accept returns for reasons such as ordered the wrong item, change mind, not what I thought It was, wrong color ordered, item ordered.
• policy: returns accepted
• paid by: Buyer

General tubesocketvintagego:

• consumer Electronics > vintage Electronics > vintage audio video parts accessories consumer Electronics > vintage tubestubes sockets audio
• in stock: Yes

Shipping tubesocketvintagego:

• cost: $12.65
• handling: 1 days
• type: Flat

Ratings:

1. Quick payment, great buyer 05-08-18
2. fast shipping,thank you! 05-11-18
3. Super fast shipping, Great packing job.Thanks! A 05-08-18
4. after an initial error, the seller very pleasantly fixed the order perfectly. 05-09-18

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