Ramsey Electronics SR2 manual Shortwave Radio

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4-19.5 MHz

SHORTWAVE RADIO

Ramsey Electronics Model No. SR2

Have you ever wanted to get into the fascinating world of radio? The Ramsey SR2 is a fine performer that will bring in the world using just a few feet of wire as an antenna! Folks of all ages have successfully built and enjoyed this easy and fun kit.

•Enjoy hours of fascinating international listening using just a simple indoor wire antenna

•Select portions of the 4 to 19.5 MHz shortwave band, easily re-tuned at any time

•Smooth varactor diode tuning

•Excellent sensitivity and selectivity

•Front panel Volume and Tuning controls

•Multi-stage audio amplifier for room filling volume

•Well designed superhetrodyne circuit is easy to build, makes a nice one-evening project

•Ideal scout, school, or club project

•Clear, concise step-by-step instructions carefully guide you to a finished kit that not only works - but you’ll also learn too!

•Runs on a standard 9 volt battery

•Add our matching case and knob set for a finished ‘pro’ look

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Contents Shortwave Radio Partial List of Available Kits Ramsey Transmitter Kits Shortwave Radio Table of ContentsWhat YOU can Expect to Hear Introduction to the SR2Shortwave Listening AS a Hobby Circuit Description SR2 SR2 Parts Layout Diagram SR -2 Block D iagram Inductors Parts List CapacitorsResistors SemiconductorsREQUIRED, not Supplied Hardware and MiscellaneousOptional Enough said... Let’s get building Assembly InstructionsSR2 SR2 SR2 SR2 SR2 Progress Summary Shortwave Antenna Ideas Initial Testing and Adjustment C16 = T3 Slug T3 Slug Out Troubleshooting Tips Ramsey Electronics CASE, Knob & Hardware Option Tuning DIAL?Other Enclosure Recommendations Freq Country MHz Sample Shortwave LoggingsSample Shortwave Loggings Con’t Freq Country MHz SR2 Ramsey Kit Warranty Required Tools Estimated Assembly TimeAdditional Suggested Items Total Solder Points

SR2 specifications

The Ramsey Electronics SR2 is a versatile and robust RF transmitter designed for a range of applications, including hobbyist projects, educational purposes, and practical uses in the field of amateur radio. Its compact size and user-friendly design make it a popular choice among enthusiasts and professionals alike.

One of the standout features of the SR2 is its frequency range, which typically spans from 88 MHz to 108 MHz. This wide range allows users to operate within the FM band, making it suitable for transmitting audio signals, music, or voice communications. This flexibility is particularly advantageous for those interested in creating their own radio stations or conducting experiments in radio frequency communication.

The SR2 utilizes advanced technology to ensure high-quality transmission. It incorporates modulation techniques that enhance audio clarity and reduce noise, resulting in a smoother listening experience. The transmitter is also equipped with a low distortion audio preamplifier, ensuring that sound quality remains pristine even at higher transmission stages.

Another important characteristic of the SR2 is its ease of assembly. The kit comes with all necessary components, including a printed circuit board (PCB), which simplifies the building process for users. Detailed instructions guide the user through the assembly, making it accessible even for those with limited electronics experience.

The SR2 also boasts a power output of approximately 100 mW, allowing for a transmission range of up to several miles, depending on the surroundings and antenna used. This power level strikes a balance between effective transmission and energy efficiency, catering to various operational settings.

In terms of design, the SR2 features a compact enclosure that protects the internal components from dust and damage, which is vital for maintaining reliability in various environments. Its user-friendly interface includes adjustable controls for tuning and volume, enabling users to customize their transmission settings easily.

Additionally, the SR2 is compatible with a variety of external audio sources, such as microphones, CD players, and smartphones, enhancing its versatility. The unit can be powered by standard power supplies or batteries, making it suitable for both portable and stationary use.

Overall, the Ramsey Electronics SR2 is a well-designed RF transmitter that combines quality, functionality, and ease of use, making it an excellent choice for anyone looking to explore the world of radio transmission.
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