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Last modified 2023-08-17

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Radio Shack DX-394 (20-224)

A picture of Radio Shack DX-394 (20-224)

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range:0.15-30 MHz (USA)
Tuning steps:100 Hz, 1 / 5 / 9 / 10 KHz
Frequency stability:? ppm
Mode:AM / SSB / CW
Channels / memory management: 160 regular
1 monitor
RAM storage with lithium battery backup
Power supply:Mains: 120 VAC
or 13.8 VDC
Current drain / power consumption:Max 13 W @ mains
Max 450 mA @ 13.8 VDC
Antenna impedance / connector:50 ohm / SO-239
Hi-Z random wire / Phono (RCA)
Dimensions (W*H*D):230*96*233 mm (9.06*3.78*9.17")
Weight:2.1 Kg (4.6 lb)
Other features:Clock and timer. Dimmer. NB. 20 dB attenuator.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 45 MHz
2nd IF: 455 KHz
Sensitivity: AM (10 dB S+N/N)
0.15-0.510 MHz: 10 uV
0.510-1.730 MHz: 7 uV
1.730-30 MHz: 1 uV
SSB (10 dB S+N/N)
1.730-30 MHz: 0.3 uV
CW (10 dB S+N/N)
1.730-30 MHz: 0.1 uV
Selectivity: AM: 7 KHz (-6 dB), 14 KHz (-50 dB)
SSB/CW: 6 KHz (-6 dB), 15 KHz (-50 dB)
Image rejection:
AF output power / speaker:800 mW at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




MISCELLANEOUS
Manufactured:China, 1995-1998 (Discontinued)
Additional info: New price 1996 in the US: $399.99
New price 1997 in the US: $299.99
New price 1998 in the US: $249.99
Related documents: User manual (3.9 MB)
User manual (58 Kb, in swedish)
Service manual (14 MB)
Schematic (10.2 MB)
Modifications and fixes:
Reviews: Monitoring Times: June 1996, page 98
QST: October 1997, page 77
Options / Accessories:
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