Cobra 25 NW 25NWCLAS - Page 30

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) 30