Cobra Electronics 25 NW NW Specifications, General, Transmitter, Receiver, Pa System

25 NW Specifications

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 dB CHANGE 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; SEPARATE JACK PROVIDED

(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)

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