
( Brand: Cubic ), ( Manufacturer Part Number: CDR-3250 ), ( Type: Base Station ), ( Frequency Band S : Hf ), ( Supported Modes: Am ), ( Country/region Of Manufacture: United States )
The CDR-3250 LF-HF Receiver is a versatile and high-performing shortwave radio designed for serious enthusiasts and professionals. This radio boasts a frequency range of 10 kHz to 30 MHz, covering the entirety of the LF (Low Frequency), MF (Medium Frequency), and HF (High Frequency) bands.
The CDR-3250 features a 3250 channel Direct Sequence Spread Spectrum (DSSS) system, which allows for crystal-clear reception, even in noisy environments. The DSP (Digital Signal Processing) technology ensures accurate tuning and reduces interference, providing an unparalleled listening experience.
The radio's 30-mil (0.762mm) thick, high-quality ferrite rod antenna ensures optimal signal reception, while the large, easy-to-read display makes it simple to monitor frequencies and signals. The CDR-3250 also includes a built-in noise reduction feature, which helps to eliminate unwanted background noise, making it easier to hear weak signals.
The CDR-3250 LF-HF Receiver is built with durability in mind, featuring a rugged, weather-resistant housing that can withstand harsh environmental conditions. It also includes a built-in speaker, making it easy to listen to your favorite stations without the need for external speakers.
Overall, the CDR-3250 LF-HF Receiver is a powerful and reliable shortwave radio that offers exceptional performance, versatility, and durability. Whether you're a serious hobbyist, a professional radio operator, or simply someone who wants to stay connected to the world, the CDR-3250 is an excellent choice.
Pros of CDR-3250 LF-HF Receiver:1. Wide Frequency Coverage: The CDR-3250 LF-HF Receiver covers a wide frequency range from 10 kHz to 30 MHz, making it suitable for shortwave radio broadcasts worldwide.
2. High DSP: The built-in Digital Signal Processing (DSP) provides excellent reception quality, reducing noise and interference.
3. Long-range Reception: The receiver's high-frequency capabilities allow for long-range reception, making it ideal for listening to distant broadcasts.
4. Durable Construction: The radio has a rugged and weather-resistant design, making it suitable for outdoor use.
Cons of CDR-3250 LF-HF Receiver:1. Complex User Interface: The receiver may have a complex user interface, which could be challenging for beginners to navigate.
2. Heavy and Bulky: Due to its rugged design and components, the receiver is quite heavy and bulky, which may not be suitable for portable use.
3. Expensive: The CDR-3250 LF-HF Receiver is a premium product and may be expensive for some users.
Conclusion:The CDR-3250 LF-HF Receiver is a high-quality shortwave radio suitable for individuals who require a wide frequency range, excellent reception quality, and a rugged design. However, its complex user interface, heavy and bulky build, and high cost may be drawbacks for some users.
Recommendation:If you are an experienced shortwave radio user or a hobbyist who requires a high-performance receiver for long-range reception, the CDR-3250 LF-HF Receiver might be an excellent choice. However, if you are a beginner or on a budget, you may want to consider other options with a simpler user interface and lower price point.
This receiver seems to be somewhat of a combination traditional and the Sadr variety is more bridge in technology.
The serial number of this unit is 540 and Fred Osman in his book shortwave receivers past present lists receiver as typically unavailable. By using this manner of menus, the user is not exposed to infrequently used controls during operation and display confused with less commonly needed operational information. In fact, the 5 soft keys beneath display serve to disguise a variety of menus and options which give operator more hands-on control than would seem be readily apparent.
The receiver is one of very last physical receivers prior to conversion purely black box equipment operated by computer. According to the specs, CDR-3250 has continuous bite built-in test equipment which monitors receivers operation and will flag operator if a problem occurs during. This CDR-3250 has some scratches and marking on the front panel that are customary for a mil spec receiver such as.
Included with the CDR-3250 is a copy of user manual, receiver technical specs, cd and power cord. As is typical of high end mil-spec equipment, this unit built like a tank and very reliable.
But then with a press of button, those options are presented to the user. Its dsp circuitry enables the user to enjoy many wonderful features that were unavailable in receivers until recent times including better recovered audio, clarity of signal reception, and an array if filter band width s. Also, the specs show a mt bf mean time between failure rating of 9,000 hours and receiver has stability 1 ppm part per million.
Rock solid with no noticeable drift from one end of the receiving range to other. Please look closely at the pictures so that you know what to expect when receiver arrives into your hands.
As you can see when studying the front panel, there are only two knobs, numeric keys, and then just a few soft keys that enable variety of menu options selections. Operationally, the receiver has been fully tested and performs beautifully with excellent sensitivity. Thus, it has a front panel and the user can select options without need for computer mouse keyboard.
It passed the bite built in test equipment diagnostic and this is displayed one of pictures. To describe each of the various specs and how they serve make this an outstanding receiver would take considerable time space. The CDR-3250 was produced in relatively low numbers.
While it can be operated via computer, its physical interface enables more of a standard user operation that appeals to many traditional users.
The CDR-3250, as previously mentioned, was Cubic last exercise in traditional receivers prior to Sadr version controlled completely by computer. As is typical with virtually all of these 3250 receiver's, the display showing some light and dark characters in readout.