RCA Guide to FM Antennas for Enhanced Radio Reception
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Attach the antenna wires from the AM loop antenna to the AM and GND (ground) ANTENNA terminals.

Place the antenna on a flat surface and rotate it for the best AM reception.

Notes:

•Keep the AM loop antenna connected even when you use another indoor antenna or an outdoor AM antenna.

•Ensure that the antenna does not touch the receiver or any other metal object.

•Do not place the antenna near a CD player, a personal computer, or a TV set.

•If the wire between the AM loop antenna and your receiver is too short, you can add extra wire, available at your local RadioShack store.

You can also use an optional RadioShack shortwave antenna kit (Cat. No. 278-758), which makes an excellent outdoor AM antenna. Connect the outdoor AM antenna wire to the receiver’s AM ANTENNA terminal as shown.

FM Antennas

Note: For the best results, use 75-ohm coaxial cable to connect an outdoor antenna to the receiver. Connect the supplied FM antenna to the FM 300Ω ANTENNA terminal as shown then extend it.

For better FM reception, you can also use a rabbit-ear TV antenna (for indoor use only) or an outdoor VHF TV antenna. To connect the TV antenna to the receiver, you need a VHF/ UHF/FM splitter (not included). RadioShack stores carry a full line of quality antennas and antenna connection accessories.

Warning: To prevent injury, read and follow all cautions and warnings that accompany the outdoor antenna.

For the best radio reception, use an outdoor antenna. Follow these steps to connect an outdoor FM antenna to the receiver using 75Ω coaxial cable.

Note: If your antenna has 300Ω twin-lead cable, connect it to the FM 300Ω ANTENNA terminals.

1.Disconnect the supplied FM antenna from the receiver’s

FM 300Ω ANTENNA terminal.

2.With a stripping tool, remove about 1 1/2 inches of the 75Ω cable’s outer insulation to expose the cable’s shielding.

Inner Insulation

Center Wire

Outer Insulation

Shielding

3.Fold back the shielding from the inner insulation.

4.Remove about 1 inch of the inner insulation from around the center wire.

5.Pull the shielding to one side. Connect the center wire to the receiver’s FM 75Ω ANTENNA terminal. Twist the shielding to secure any loose wire strands, and connect it to the GND ANTENNA terminal.

Shielding

FM

FM

AM

300Ω

75Ω

 

Center

 

GND

 

 

Wire

 

 

Caution: The cable’s shielding should only touch the GND ANTENNA terminal.

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Contents Stereo Receiver Introduction Important Safety Instructions Contents Preparation Connecting SpeakersPreparing the Speaker Wires Connecting Speakers to the a and B TerminalsConnecting the Antennas Connecting Program SourcesFM Antennas Connecting to AC Power Installing Remote CONTROL’S BatteriesOperation Using the Sleep TimerTuning the Radio Manual and Automatic TuningAutomatically Storing Stations Memory TuningDirect Tuning Remote Control Only Tuning to a Station in MemoryUsing the Reset Button Adjusting BalanceUsing Headphones Cassette Deck FeaturesTroubleshooting FCC Wants YOU to Know Care and MaintenanceSpecifications Page RadioShack Division of Tandy Corporation Fort Worth, Texas

STA-3850 specifications

The RCA STA-3850 is a versatile and powerful stereo receiver, crafted to deliver exceptional audio performance while providing a number of features that enhance the listening experience. Released during a period when audio technologies were quickly evolving, the STA-3850 embodies a blend of traditional design and innovative advancements.

At the heart of the STA-3850 is its robust amplifier section, providing a substantial output power of 50 watts per channel. This power output allows the receiver to drive a wide array of speakers, ensuring rich and dynamic sound reproduction for various types of music. The receiver is designed to handle a broad frequency response, typically ranging from 20 Hz to 20 kHz, providing a full-bodied audio experience that's ideal for both casual listening and critical listening.

One of the standout features of the RCA STA-3850 is its easy-to-use tuner. It offers AM and FM capabilities, enabling users to access a wide range of radio stations. The built-in stereo decoder enhances FM reception, ensuring that users can enjoy crystal-clear sound with reduced interference. Another key feature is the inclusion of multiple inputs, allowing for the connection of various audio sources, including turntables, CD players, and audio devices, making it a comprehensive solution for an audiophile setup.

The STA-3850 is designed with user convenience in mind. It includes a built-in equalizer, allowing users to tailor the sound to their preferences. This feature makes it possible to boost or cut specific frequency ranges, enhancing the overall listening experience. Additionally, the receiver boasts easy-to-navigate controls, with clearly labeled knobs and buttons, making it user-friendly for all levels of audio enthusiasts.

Durability and build quality are also notable characteristics of the RCA STA-3850. Constructed with sturdy materials, this receiver is designed to last, ensuring longevity for those who invest in it. Its classic aesthetic, featuring a sleek design with an appealing wood veneer finish, makes it a stylish addition to any audio setup.

Overall, the RCA STA-3850 stereo receiver is a well-rounded piece of equipment that combines sound quality, versatility, and user-friendly features. Whether for a dedicated listening room or a casual home environment, this receiver is sure to please anyone seeking to elevate their audio experience.
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