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Last modified 2023-03-27

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Galaxy GT-550 (By World Radio Laboratories)

A picture of Galaxy GT-550 (By World Radio Laboratories)

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: 10-80 m in six bands:
3.5-4.0 MHz (80 m)
7.0-7.5 MHz (40 m)
14.0-14.5 MHz (20 m)
21.0-21.5 MHz (15 m)
28.0-28.5 MHz (10 m)
28.5-29.0 MHz (10 m)
Tuning steps:Continuous
Frequency stability:±? ppm
Mode:SSB / CW
Channels / memory management: None
Repeater shift / offset:No
Power supply:Various voltages from external PSU
Current drain / power consumption:RX: ? VA
TX: Max ? VA
Antenna impedance / connector:40-100 ohm / SO-239
Dimensions (W*H*D):286*152*318 mm (11.25*6*12.5")
Weight:7.71 Kg (17 lb)
Other features:Backlit dial.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne
IF: 9 MHz
Sensitivity:0.5 uV (10 dB S+N/N)
Selectivity: SSB: 2.1 KHz (-? dB)
CW: 300 Hz (-? dB), with optional CW filter
Image rejection:
AF output power / speaker:1 W at ?% distortion / No internal speaker
External speaker connector:Phono (RCA), 8 ohm




TRANSMITTER SECTION
RF output power: SSB: ~250 W (550 W input)
CW: ~160 W (360 W input)
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 3-pin (1/4" jack)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 19xx-197x (Discontinued)
Additional info:New price 1970 in the US: $550.00
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
AC-400
CAL-25
F-3
G-1000DC
GTM
RF-550
PR-550
RV-550
SC-550
VOX-35C
X-0550
ZZM
AC power supply. 110/230 VAC
25 KHz calibrator
CW filter. 300 Hz
DC power supply. 12/14 VDC
Dashboard mounting bracket
RF console with 400/4000 W wattmeter and antenna selector
Phone patch unit
Remote VFO
Speaker console. 8 ohm. Can also house AC-400
VOX unit
XTAL controlled adaptor
Floor-board adapter for GTM