RCA OTHER Nos Ham Radio Sweep Tubes 30KD6 36KD6/40KD6

( Brand: Rca Other ), ( Manufacturer Part Number: 40KD6 ), ( Model: 30KD6, 36/KD6/40KD6 ), ( Part Type: Radio Tube ), ( Country/region Of Manufacture: United States )

Review RCA OTHER Nos Nib And 36kd6/40kd6 Ham Radio Sweep Tubes

The RCA 40KD6, 30KD6, 36KD6/40KD6 sweep tubes are essential components in the world of ham radio communication. These vacuum tubes are designed to provide superior performance in the intermediate frequency (IF) amplifier stage of superheterodyne radio receivers.

The 40KD6 and its siblings, the 30KD6 and 36KD6, are all dual-triode tubes that operate in the intermediate frequency range. They are known for their excellent sensitivity, high gain, and low noise figure, which are crucial factors for optimizing radio receiver performance.

The 40KD6 tube is a popular choice due to its versatility and wide application range. It can be used in various radio receiver designs, including broadcast, amateur radio, and military communication systems. With a plate voltage range of 150V to 400V and a grid voltage range of -80V to -120V, it can be easily adapted to different receiver designs and power supplies.

The 30KD6 and 36KD6 tubes are similar to the 40KD6 but have slightly different specifications. The 30KD6 has a higher plate current rating of 120mA compared to the 40KD6's 100mA, making it a better choice for high-power applications. The 36KD6, on the other hand, has a lower plate current rating of 70mA and a higher plate resistance of 2500 ohms, making it more suitable for low-power and high-impedance applications.

All three tubes share the same physical dimensions, with a glass envelope measuring 9.5 inches long and 2.5 inches in diameter. They are also designed to operate at a standard filament voltage of 6.3V and a filament current of 250mA, ensuring compatibility with most ham radio power supplies.

The RCA 40KD6, 30KD6, and 36KD6 sweep tubes are a reliable and proven solution for building high-performance ham radio receivers. Their excellent sensitivity, high gain, and low noise figure make them an essential component for anyone serious about radio communication. Whether you're a seasoned ham radio operator or just starting out, these tubes will help you build a receiver that delivers outstanding performance and reliability.

RCA 40KD6, 30KD6, 36KD6, and 40KD6 are vacuum tubes commonly used in ham radio applications for RF amplifiers. These tubes are known for their good performance and reliability. Here are some pros and cons of buying these tubes:

1. Good performance: These tubes provide good gain, linearity, and efficiency, making them suitable for various ham radio applications.

2. Reliability: RCA tubes have a proven track record of reliability, making them a popular choice among ham radio operators.

3. Availability: These tubes are readily available from various suppliers, both online and offline, making it easy to find replacements or spares.

4. Versatility: These tubes can be used in various ham radio applications, including linear and power amplifiers, mixers, and oscillators.

1. Cost: RCA tubes can be more expensive than solid-state alternatives, especially when considering the cost of the tube itself and the additional power supply and filament requirements.

2. Maintenance: Vacuum tubes require more maintenance than solid-state components, including regular alignment and filament replacement.

3. Size and weight: Vacuum tubes are larger and heavier than solid-state components, making them less ideal for portable ham radio setups.

4. Fragility: Vacuum tubes can be damaged easily if not handled properly, which can lead to costly repairs or replacements.

RCA 40KD6, 30KD6, 36KD6, and 40KD6 vacuum tubes offer good performance, reliability, and versatility for various ham radio applications. However, they also come with some disadvantages, such as cost, maintenance requirements, size and weight, and fragility. Ultimately, the decision to buy these tubes depends on the specific requirements of your ham radio setup, your budget, and your willingness to handle the additional maintenance needs.

If you are looking for high-performance, reliable, and versatile vacuum tubes for your ham radio setup, then the RCA 40KD6, 30KD6, 36KD6, and 40KD6 tubes are a good choice. However, you should be prepared for the additional cost, maintenance requirements, size and weight, and fragility compared to solid-state components. If you have a limited budget or prefer a more maintenance-free and portable setup, then solid-state components may be a better option for you.

Details:

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

part #: 40kd6 prices

• $19.99-$64.50

specifications vintaelec:

• brand: Rca Other
• mpn: 40kd6
• model: 30kd6, 36/kd6/40kd6
• part type: Radio Tube
• country/region of manufacture: United States

payments vintaelec:

• Other
• wallet: Google-pay
• credit card: Visa

returns vintaelec:

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

general vintaelec:

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

shipping vintaelec:

• cost: $16.00
• carrier: USPS
• transit: 4-7 Days
• type: Calculated
• class: Expedited
• service: USPS Priority Mail

seller vintaelec:

• city: Salem, Oregon
• # reviews: 10029
• rating: 100.0%

offer vintaelec:

• started: October 2, 2025
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home

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