AMPEREX 4-400A Nos Ham Radio Tube

( Brand: Amperex ), ( Manufacturer Part Number: 4-400A ), ( Part Type: Radio Tube ), ( Country/region Of Manufacture: United States )

Review AMPEREX Guaranteed Nos Nib Ham Radio Tube

The Amperex 4-400A NOS (New Old Stock) ham radio tube is a remarkable piece of vintage technology that continues to captivate radio enthusiasts and hobbyists today. This tube, manufactured by Amperex, is a 4-pin high power triode with a plate voltage rating of 400 volts, making it an ideal choice for high power amplifier applications in the ham radio world.

Constructed using high-quality materials and advanced manufacturing techniques of its time, this tube boasts a robust and durable design that can withstand the rigors of high power operation. The glass envelope housing the internal components is made of high-temperature borosilicate glass, ensuring stability and resistance to thermal shock.

The 4-400A NOS tube features a high-mu triode design, which provides excellent gain and linearity, crucial for amplification in ham radio applications. The plate current rating of 2.5 amperes and the plate resistance of 2500 ohms provide ample power handling capabilities. The tube's heater filament requires a 6.3V DC supply, ensuring easy integration into existing ham radio setups.

The Amperex 4-400A NOS tube is a testament to the craftsmanship and innovation of the golden age of vacuum tubes. Its performance characteristics, combined with its nostalgic appeal, make it a cherished component for many ham radio enthusiasts who appreciate the unique sound and feel of tube-based radio equipment. Whether you're a seasoned ham radio operator or a curious hobbyist, the Amperex 4-400A NOS tube is a valuable addition to your collection or your ham radio station.

1. Authenticity: NOS tubes are original, factory-made tubes that have been stored in their packaging since their production date. They are not replicas or refurbished tubes.

2. Reliability: NOS tubes are known for their reliability and long lifespan. They are often considered to be of higher quality than modern tubes, as they were manufactured using the original specifications and processes.

3. Sound Quality: NOS tubes are often praised for their superior sound quality compared to modern tubes. They have a warmer, more natural sound that some listeners prefer.

4. Collectible Value: NOS tubes can be valuable collectibles, especially if they are rare or hard to find. Some collectors pay high prices for NOS tubes with specific brand names or models.

1. Availability: NOS tubes can be hard to find, especially for specific models and brands. It may take time and effort to locate a reliable source.

2. Price: NOS tubes can be more expensive than modern tubes. The cost can vary depending on the brand, model, and availability.

3. Compatibility: NOS tubes may not be compatible with modern radio equipment. It is important to research the specific tubes and equipment to ensure compatibility.

4. Fragility: NOS tubes can be fragile, especially if they have been stored for a long time. They may require special handling and care to avoid damage.

Buying Amperex 4-400A NOS Ham Radio Tubes can offer several benefits, including authenticity, reliability, sound quality, and potential collectible value. However, it is important to consider the potential drawbacks, such as availability, price, compatibility, and fragility. If you are a collector, audiophile, or radio enthusiast, NOS tubes may be worth the investment. If you are looking for a cost-effective solution for your radio needs, modern tubes may be a better option.

If you are interested in purchasing Amperex 4-400A NOS Ham Radio Tubes, it is recommended that you research the specific tubes and equipment to ensure compatibility and availability. It is also important to consider the cost and potential fragility of the tubes. If you are unsure or have any questions, it may be helpful to consult with a radio technician or expert.

Details:

part #: 4400a prices

• $145.00-$500.00

specifications vintaelec:

• brand: Amperex
• mpn: 4-400a
• part type: Radio Tube
• country/region of manufacture: United States

seller vintaelec:

• # reviews: 9690
• city: Salem, Oregon
• rating: 100.0%

shipping vintaelec:

• transit: 4-11 Days
• carrier: USPS
• service: USPS Priority Mail
• class: Expedited
• cost: $16.35
• type: Calculated

offer vintaelec:

• options: Ship-to-home
• started: January 2, 2025
• availability: In Stock
• best offers: True
• sold: 0
• quantity: 1

returns vintaelec:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back

general vintaelec:

• Consumer Electronics > Vintage Electronics > Other Vintage Electronics
• condition: New

payments vintaelec:

• credit card: Discover
• other
• wallet: Paypal

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