Cobra Electronics Cobra 25 NW ST specifications NW ST Specifications Limited Two Year Warranty

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25 NWST Manual3.3 6/15/99 12:43 PM Page 32

25 NW ST Specifications

Limited Two Year Warranty

GENERAL

 

CHANNELS

CB - 40 CH

FREQUENCY RANGE

CB - 26.965 TO 27.405 MHZ

FREQUENCY TOLERANCE

0.005 %

FREQUENCY CONTROL

PLL (PHASE LOCK LOOP) SYNTHESIZER

OPERATING TEMPERATURE

 

RANGE

-30° C TO + 50° C

MICROPHONE

PLUG-IN DYNAMIC

INPUT VOLTAGE

13.8VDC nom.(positive or negative ground)

CURRENT DRAIN

TRANSMIT: AM FULL MOD.,1.5A (MAXIMUM)

 

RECEIVE:SQUELCHED, 0.3A;

 

FULL AUDIO OUTPUT, 1.2A (NOMINAL)

SIZE

.8-5/8”D X 6-3/8”W X 2-13/64”H

WEIGHT

4 LBS.

ANTENNA CONNECTOR

UHF; SO-239

METER

ILLUMINATED;INDICATES RELATIVE

 

POWER OUTPUT AND RECEIVED

 

SIGNAL STRENGTH

TRANSMITTER

 

POWER OUTPUT

4 WATTS

MODULATION

AM (AMPLITUDE MODULATION)

FREQUENCY RESPONSE

300 TO 3000 HZ

OUTPUT IMPEDANCE

.50 OHMS,UNBALANCED

RECEIVER

 

SENSITIVITY

.LESS THAN 1 µV FOR 10dB(S+N) /N

SELECTIVITY

6 dB@ 7 KHZ,60 dB@ 10KHZ

IMAGE REJECTION

80 dB, TYPICAL

ADJACENT-CHANNEL REJECTION . . .

60 dB, TYPICAL

IF FREQUENCIES

.DOUBLE CONVERSION:1ST: 10.695 MHZ

 

2ND:455 KHZ

AUTOMATIC GAIN CONTROL (AGC) .LESS THAN 10 dBCHANGE IN AUDIO

 

OUTPUT FOR INPUTS FROM 10 TO 50,000

 

MICROVOLTS

RF GAIN RANGE

40 dB

NOISE BLANKER

RF TYPE

SQUELCH

ADJUSTABLE;THRESHOLD LESS THAN 1µV

AUDIO OUTPUT POWER

4 WATTS

FREQUENCY RESPONSE

300 TO 3000 HZ

DISTORTION

LESS THAN 7% @3 WATTS @ 1000 HZ

BUILT-IN SPEAKER

.8 OHMS,5W

EXTERNAL SPEAKER (NOT SUPPLIED) 8 OHMS; DISABLES INTERNAL SPEAKER WHEN CONNECTED

PA SYSTEM

POWER OUTPUT . . . . . . . . . . . . . . . . . .4 WATTS INTO EXTERNAL SPEAKER EXTERNAL SPEAKER FOR PA . . . . . . . .8 OHMS, 4 W. MIN.

(NOT SUPPLIED) . . . . . . . . . . . . . . . . . .THE PA SPEAKER ALSO MONITORS THE RECEIVER;SEPAR ATE JACK PROVIDED

(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)

COBRA ELECTRONICS CORPORATION warrants that its COBRA CB Radios, and the component parts thereof, will be free of defects in workmanship and materials for period of two (2) years from the date of first consumer purchase. This warranty may be enforced by the first consumer purchaser, provided that the product is utilized within the U.S.A.

COBRA will,without charge, repair or replace, at its option, defective CB radios, products or component parts upon delivery to the COBRA factory Service Department, accom- panied by proof of the date of first consumer purchase, such as a duplicated copy of a sales receipt.

You must pay any initial shipping charges required to ship the product for warranty service, but the return charges will be at Cobra's expense, if the product is repaired or replaced under warranty.

Exclusions: This limited warranty does not apply; 1) to any product damaged by accident;2) in the event of misuse or abuse of the product or as a result of unauthorized alter- ations or repairs;3) if the serial number has been altered, defaced or removed;4) if the owner of the product resides outside the U.S.A.

All implied warranties, including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty. COBRA shall not be liable for any incidental, conse- quential or other damages;including, without limita- tion, damages resulting from loss of use or cost of instal- lation.

Some states do not allow limitations on how long an implied warranty lasts and/or do not allow the exclu- sion or limitation of incidental or consequential dam - ages, so the above limitations may not apply to you.

Cobra Electronics

Corporation

6500 West Cortland Street Chicago, Illinois 60707

 

32

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Contents Features of This Product How to Use Your Cobra 25 NW STLocationLocation InstallationMounting and Connection Mounting and ConnectionInstallation Antennas Ignition Noise Interference Marine InstallationCB Antenna CB AntennaOperation Setting ChannelTurning On SelectorChannel Selecting aTo Receive MeterSoundTracker ActivatingSoundTrackerTM System How SoundTrackerTM WorksSetting Squelch Setting SquelchDimmer Control Dimmer Control RF Gain ControlTo Transmit Gate set to Desired Squelch Setting DSSTo Transmit Setting Dynamike SettingDynamike TransmitPA Public External Speaker External SpeakerAddress PA Public AddressANL Automatic SwitchNoise Limiter Noise BlankerTemporary Mobile Set-Up Temporary Mobile Set-Up Home And Office Set-UpBase Station Operation From 120V AC House Current Temporary Mobile OperationChannel Emergency Messages Home And Office Set-Up How Your CB Can Serve YouFew Rules You Should Know CB 10-Codes Permitted Example MessageFreq Frequency RangesCobra Electronics Corporation NW ST Specifications Limited Two Year WarrantyMagnetic Mount Antenna Dual Band CB/WX Antenna Microphone Optional AccessoriesShipping & Handling Accessory Order FormPm,Monday through Friday, CST If You Think You Need ServiceIf you think you need service call FCC Regulations CB StoryFCC Warnings What’s Included with Your 25 NW STCobra Customer Service Controls and Indicators Our Thanks to YouSoundTrackerTM Customer Support

Cobra 25 NW ST specifications

The Cobra 25 NW ST is a popular model in the realm of mobile communications, particularly among professional drivers and outdoor enthusiasts. This compact and efficient 40-channel CB radio is designed to provide reliable communication, making it a valuable tool for anyone who requires a dependable means of contacting others over short distances.

One of the central features of the Cobra 25 NW ST is its 40-channel capability. This allows users to access a wide range of frequencies, ensuring that they can find an open channel for communication even in crowded areas. The radio’s automatic noise limiter works diligently to minimize background noise, enhancing clarity and ensuring that messages come through loud and clear. Users can depend on the sound quality provided by this model, which is crucial for maintaining effective communication on the road.

Equipped with a built-in high-efficiency speaker, the Cobra 25 NW ST delivers crisp audio even in noisy environments such as trucks or construction sites. The radio also features a dynamic microphone that is specifically designed to enhance voice clarity, making it easier for listeners to understand the sender's message.

In terms of usability, the Cobra 25 NW ST has a straightforward interface. The dial and buttons are clearly marked, allowing users to operate the device easily without needing extensive training. The front-mounted controls enable quick adjustments, ensuring that users can focus on their driving without getting distracted by complicated setups.

Additionally, the Cobra 25 NW ST is designed with a rugged construction, ideal for the rigors of the road. Its durable casing can withstand the bumps and jolts commonly encountered in vehicles, making it suitable for a variety of environments. The radio also features an illuminated LCD display, providing visibility even in low-light conditions, which is essential for nighttime use.

Another notable technology incorporated into the Cobra 25 NW ST is its dual watch function. This feature allows users to monitor two channels simultaneously, ensuring they never miss important communications. With a compact design, this CB radio fits easily between the seats or on a dashboard, making it a convenient choice for both lightweight transport and permanent installations.

In summary, the Cobra 25 NW ST is a feature-rich CB radio that excels in performance, durability, and ease of use. Its combination of essential communication capabilities and user-friendly design makes it an excellent choice for drivers and outdoor enthusiasts alike, facilitating reliable communication in various settings. Whether for work or leisure, this radio stands out as a dependable companion on the road.
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