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Last modified 2022-01-18

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Magnum S-3

A picture of Magnum S-3


Type:Citizen band / "Freeband" / Export transceiver
Frequency range:25.165-30.105 MHz (6*40 channel blocks programmable)
Channels / tuning steps:240 (6*40)
Mode:AM / FM
Frequency control:PLL
Frequency stability:10 ppm @ 0-40C (32-104F), after 15 minutes warmup
Clarifier or Delta tune:No
Power supply:10.5-15 VDC
Current drain / power consumption:RX: ? mA
TX: Max 7 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):200*60*270 mm (7.88*2.38*10.62")
Weight:2.04 Kg (4.5 lb)
Other features: PA. "Top gun" modulator. Turbo echo chamber. ANL/NB. SWR-meter.
Talkback. +10 KHz button.

Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity: AM: 1 uV (10 dB S+N/N)
FM: 0.3 uV (12 dB SINAD)
Selectivity:6 KHz (-6 dB)
18 KHz (-60 dB)
Image rejection:>80 dB
AF output power / speaker:2 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm

RF output power: AM: 10-50 W (PEP)
FM: 1-30 W
Modulation system:
FM deviation (Factory set):2 KHz
Spurious emissions:Better than -50 dB
Microphone impedance / connector:600 ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV

Manufactured:200x-200x (Discontinued)
Main PCB:
Sub PCBs:
Additional info:
Related documents: User manual (403 KB)
Two 2SC1969 finals
Sams Photofact #:None
Modifications and fixes:
Options / Accessories:
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A rear picture of Magnum S-3