RCA 833-833A Box Ham Radio Tube

( Brand: Rca ), ( Manufacturer Part Number: 833-833A ), ( Part Type: Box Radio Tube ), ( Country Of Origin: United States )

Review RCA Guaranteed Nos No Box 833 833a Ham Radio Tube

The RCA 833 and 833A vacuum tube is a crucial component for amateur radio applications, specifically used as an audio output tube in transmitter and receiver circuits. This triode tube is designed to deliver high power and excellent audio fidelity, making it an essential addition to any serious ham radio setup.

The RCA 833 and 833A tubes feature a heptal element in the control grid, which provides excellent grid leakage current control and improves overall efficiency. The tube's plate is made of a high-quality metal coating, providing a large surface area for efficient energy transfer, resulting in increased power output.

This RCA tube is designed to operate with a filament voltage of 6.3 volts and a plate voltage of 300 volts, making it suitable for use in a wide range of ham radio applications. With a plate current of up to 1.5 amps, it can deliver a plate power output of approximately 15 watts, making it ideal for use as a final output tube in transmitters and as a power amplifier in receivers.

The RCA 833 and 833A tubes are known for their rugged construction and long-lasting performance. The tubes' glass envelope is reinforced with a metal base and a metal shield, providing added protection against mechanical shock and vibration. Additionally, the tube's filament is coated with a heat-resistant material, ensuring that it can handle the high temperatures and power dissipation required for ham radio applications.

The RCA 833 and 833A tubes come in a standard NOS (New Old Stock) box, ensuring that they are preserved in their original packaging, maintaining their historical value and authenticity. The tubes are individually inspected, tested, and graded to ensure that they meet the highest standards of quality and performance.

In summary, the RCA 833 and 833A vacuum tubes are essential components for any serious ham radio setup. With their high power output, excellent audio fidelity, rugged construction, and long-lasting performance, they are an investment in the hobby and a piece of ham radio history.

Buying an RCA 833 or 833A vacuum tube for ham radio use can be a good investment for those who require this specific type of tube for their radio setup. Here are some pros and cons to consider before making a purchase:

1. Authenticity and reliability: RCA is a well-known brand in the world of electronics, and their vacuum tubes are known for their durability and reliability.

2. Improved radio performance: The RCA 833 and 833A tubes are particularly useful for improving the performance of older ham radios that require this type of tube.

3. Availability: These tubes are still produced and sold by various retailers, making them relatively easy to find.

4. Cost-effective: Compared to buying a new radio that may require this tube, purchasing an individual tube can be a more cost-effective solution.

1. Limited compatibility: These tubes are only compatible with specific radio models that require the 833 or 833A tube.

2. Fragility: Vacuum tubes are delicate components that can be easily damaged if not handled with care.

3. Power consumption: Vacuum tubes consume more power than solid-state components, which can lead to higher electricity bills.

4. Maintenance: Vacuum tubes require regular maintenance to ensure they are functioning properly and to extend their lifespan.

In conclusion, the decision to buy an RCA 833 or 833A vacuum tube for ham radio use depends on the specific requirements of your radio setup. If you have an older radio that requires this type of tube, then purchasing a new one can be a cost-effective solution to improve performance and reliability. However, it is essential to be aware of the potential cons, such as limited compatibility, fragility, power consumption, and maintenance requirements.

Recommendation: Before making a purchase, ensure that you have identified the specific model of your ham radio and that the RCA 833 or 833A tube is compatible. Additionally, consider purchasing from a reputable retailer to ensure the authenticity and quality of the tube. Finally, be prepared for the maintenance requirements and handle the tube with care to ensure its longevity.

Details:

I no longer ship to China Vietnam due lost packages in Custom's.

part #: 833833a prices

• $250.00-$1250.00

specifications vintaelec:

• brand: Rca
• mpn: 833-833a
• part type: Box Radio Tube
• country of origin: United States

offer vintaelec:

• availability: In Stock
• started: January 5, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home

payments vintaelec:

• other
• credit card: MasteRcard
• wallet: Google-pay

shipping vintaelec:

• type: Calculated
• class: Expedited
• service: USPS Priority Mail
• carrier: USPS
• cost: $16.90
• transit: 3-7 Days

seller vintaelec:

• rating: 100.0%
• city: Salem, Oregon
• # reviews: 10195

general vintaelec:

• condition: Open box
• Consumer Electronics > Vintage Electronics > Other Vintage Electronics

returns vintaelec:

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

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