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Last modified 2024-12-05

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Electrophone CB-550

A picture of Electrophone CB-550

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range
depending on version:
Old Australian bandplan
27.015-27.225 MHz
Other
26.965-27.405 MHz
Channels / tuning steps
depending on version:
18 (Old Australian bandplan)
40 (Other)
Mode:AM / SSB
Frequency control:PLL (PLL02A)
Frequency stability:±?%
Clarifier or Delta tune:±600 Hz
Power supply:13.8 VDC (Male 2-pin jack)
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):190*64*265 mm (7.48*2.52*10.43")
Weight:2.33 Kg (5.14 lb), without mounting bracket
Other features:PA. NB. Dimmer. SWR meter.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne (SSB)
1st IF: 10.695 MHz
Double conversion superheterodyne (AM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity: AM: 1 uV (10 dB S/N)
SSB: 0.25 uV (10 dB S/N)
Squelch sensitivity: AM: 1 uV (Threshold)
SSB: 0.7 uV (Threshold)
Selectivity: AM
6 KHz (-6 dB)
SSB
2.5 KHz (-6 dB)
Image rejection:
AF output power / speaker:3 W at ?% distortion / 8 ohm
External speaker connector:TS "Minijack" (3.5 mm), 8 ohm




TRANSMITTER SECTION
RF output power: AM: 4 W
SSB: 12 W (PEP)
Modulation system: AM: High class level B
SSB: Double balanced modulator with crystal latice filter
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -60 dB
Microphone impedance / connector:? ohm / 4-pin (Male locking ring jack)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 19xx-19xx (Discontinued)
Main PCB:PTBM048AOX by Cybernet Electronics Corporation
Sub PCBs:
Additional info:
Related documents: Service manual (3.5 MB)
PLL: PLL02A
AF amplifier: TA7205P
Balanced modulator: AN612
RF driver: 2SC2166
RF final: 2SC1969
Market(s) / Approval(s): Australia
Approval no: 249024
Sams Photofact #:
Modifications and fixes:
Reviews:
Options / Accessories:
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A picture of Electrophone CB-550, 40 channel version
An inside picture of Electrophone CB-550