
( Brand: Heathkit ), ( Manufacturer Part Number: SB-650 ), ( Part Type: Display Radio )
The SB-650 Heathkit Ham Radio Frequency Display is a high-quality, vintage piece of radio technology that still holds its own in the modern world of ham radio enthusiasts. This analog frequency counter features a red seven-segment display, capable of displaying frequencies from 0.01 MHz to 1.6 GHz with an accuracy of 0.01%, making it ideal for precise tuning and monitoring of radio signals.
The SB-650 is built with a robust, all-metal chassis, providing excellent shielding against electromagnetic interference (EMI) and ensuring reliable operation in noisy environments. The front panel is equipped with a large, easy-to-read dial, allowing for simple and intuitive frequency adjustment. The display is backed by a high-precision quartz oscillator, ensuring stable and accurate readings over time.
The SB-650 also includes a built-in calibration function, allowing for easy and convenient adjustment of the counter's frequency accuracy. This feature, along with the counter's high sensitivity, makes it an excellent tool for calibrating other radio equipment as well.
In addition to its frequency display capabilities, the SB-650 also features a built-in signal strength meter, allowing you to monitor the strength of incoming signals. This meter is displayed in decibels (dBm) and can be calibrated to match the sensitivity of your radio receiver, providing you with a comprehensive view of the radio environment.
The SB-650 is a versatile and powerful tool for any ham radio enthusiast. Its robust construction, high precision, and easy-to-use interface make it an essential addition to any radio shack. Whether you're a seasoned ham radio operator or just starting out, the SB-650 Heathkit Ham Radio Frequency Display is sure to become an invaluable part of your radio arsenal.
Pros of buying a SB-650 Heathkit Ham Radio Frequency Display:1. High-quality construction: The SB-650 is known for its sturdy and durable build, which is a common characteristic of Heathkit products. This can ensure that the device will last for a long time.
2. Frequency display: The SB-650 provides a clear and precise frequency display, which is essential for any Ham Radio operator. This makes it easy to monitor and adjust the frequency of your transmission.
3. Affordable price: Compared to some other frequency counters on the market, the SB-650 is relatively affordable, making it a good option for those on a budget.
4. Easy to use: The SB-650 is designed to be user-friendly, with clear and straightforward instructions. This makes it a good option for beginners or those who are new to Ham Radio.
Cons of buying a SB-650 Heathkit Ham Radio Frequency Display:1. Limited features: Compared to some more advanced frequency counters, the SB-650 has limited features. For example, it does not include a built-in signal generator or an RF power meter.
2. Requires assembly: The SB-650 is a kit that requires assembly, which can be time-consuming and may require some technical knowledge.
3. Limited availability: The SB-650 is no longer in production, so it may be difficult to find new units or replacement parts.
Conclusion:The SB-650 Heathkit Ham Radio Frequency Display is a reliable and affordable option for those looking for a basic frequency counter. Its high-quality construction and clear frequency display make it a good choice for beginners or those on a budget. However, its limited features and require assembly may be a drawback for some users. Ultimately, whether or not the SB-650 is the right choice for you will depend on your specific needs and preferences.
Recommendation:If you are a beginner or on a budget and only need a basic frequency counter, the SB-650 Heathkit Ham Radio Frequency Display could be a good option for you. However, if you require more advanced features or are looking for a more modern device, you may want to consider other options that are currently available on the market.
I am unable to test it but turns on and all Dixie tubes light up with no flickering. Us only please.
Quoted shipping is to the 48 states only.
It calculates the received frequency to 1 10khz and displays on six display tubes. Mixing bf, HF and limo signals, 6 Dixie tubes nil it is in excellent cosmetic condition. Heathkit frequency display SB-650 these are rare items only produced from 1972 to 1975 the is designed operate with heath amateur receivers and 5 band transceivers of sb Haw series operating in 3 30 MHz range.
See photos for details. The only operating control is a front panel rocker switch which turns instrument on and off.
Used, as is from a collectors estate.