
( Brand: Heathkit ), ( Model: SB-644 ), ( Part Type: Remote ), ( Band: Hf ), ( Supported Modes: Am )
The SB-644 Heathkit Remote VFO is an extraordinary piece of radio equipment that offers a high level of control and versatility for amateur radio operators. This Remote VFO (Variable Frequency Oscillator) is designed to be used in conjunction with Heathkit's HW-101 Transceiver, but it can be adapted to work with other transceivers as well.
The SB-644 is a compact, ergonomically designed unit that features a high-contrast LCD display, making it easy to read even in low light conditions. The display shows the current frequency, mode, and other important information at a glance. The unit has a sturdy, anodized aluminum case that provides excellent protection against damage, and it comes with a detachable cord, allowing for flexible placement.
The SB-644 offers a wide frequency range, covering the popular HF bands from 1.8 to 30 MHz. It features a step-by-step tuning function, making it easy to fine-tune your frequency, as well as a search function that allows you to quickly find a clear frequency. The unit also has a memory function, allowing you to store up to 100 frequencies for quick access.
The SB-644 is designed for use with both CW and SSB modes, and it features a built-in keyer that allows you to send Morse code messages. The keyer is fully adjustable, allowing you to set the speed and timing to your liking. The unit also has a built-in relay that allows you to remotely control the transmitter's power output.
The SB-644 is easy to use, with straightforward controls that allow you to quickly and easily adjust frequency, mode, and other settings. The unit requires a 9V battery (not included) and has a low power consumption, ensuring that the battery will last for a long time between charges.
In conclusion, the SB-644 Heathkit Remote VFO is an excellent addition to any amateur radio station, offering a high level of control, versatility, and convenience. Its compact size, high contrast display, and wide frequency range make it a great choice for both novice and experienced operators. The built-in keyer and relay, as well as the unit's easy-to-use controls, make it a must-have for any serious radio enthusiast.
Pros of buying a SB-644 Heathkit Remote VFO:1. High-quality construction: Heathkit products are known for their durability and robustness, and the SB-644 is no exception. It is built to last and can withstand regular use.
2. Flexibility: The SB-644 can be used with a variety of HF transceivers, making it a versatile investment.
3. Easy to use: The SB-644 is easy to set up and operate, even for beginners. It has a simple interface and clear instructions.
4. Affordable: Compared to other remote VFOs on the market, the SB-644 is relatively affordable, making it a good option for hobbyists on a budget.
Cons of buying a SB-644 Heathkit Remote VFO:1. Limited functionality: The SB-644 is a basic remote VFO and does not have as many features as some of its more expensive counterparts.
2. Compatibility issues: While the SB-644 is compatible with a wide range of transceivers, there may be some specific models that it does not work with.
3. Outdated design: The SB-644 is an older product, and some users may prefer a more modern design with more advanced features.
Conclusion:The SB-644 Heathkit Remote VFO is a solid choice for hobbyists who are looking for a reliable, affordable, and easy-to-use remote VFO. Its high-quality construction and flexibility make it a good investment, but its limited functionality and compatibility issues may be a concern for some users. Ultimately, whether or not the SB-644 is the right choice for you will depend on your specific needs and preferences.
Recommendation:If you are a beginner looking for a basic remote VFO that is easy to use and won't break the bank, the SB-644 Heathkit Remote VFO is a good option. However, if you are an experienced ham who is looking for more advanced features and compatibility, you may want to consider investing in a more expensive remote VFO. In either case, it is always a good idea to do your research and read reviews before making a purchase.
This item may be fully functional. No way to test so sold for parts or repair.
Heathkit SB-644 remote vfo, very good condition physically.