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Favorite Tube-Type Shortwave Receivers


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National NC-400

NC-400
General Coverage Communications Receiver Rating (1-5):
Made In: United States 1959-1963 Voltages: 115/230 VAC 50/60 Hz 138 W
Coverage: 540 - 31000 kHz Readout: Analog
Modes: AM/SSB/CW
Circuit: Double Conversion Superheterodyne. 18 Tubes. Physical: 19x11x16" 482x279x406mm
Circuit Complement: 6BZ6 1st RF Amp, 6BZ6 2nd RF Amp, 6BE6 1st Mixer 455 kHz, 6BE6 1st Mixer 1730 kHz, 6BE6 2nd Converter/Soc, 6BZ7 HF Osc, 6BA6 1st IF Amp, 6BA6 2nd IF Amp, 3rd IF Amp, 4H4C Fil. Reg, 6AL5 AM Detector/ANL, 6BE6 Het Det. 6AL5 Manual NL, 6U8 BFO, 12AT7 S-Meter/1st Audio, 6AQ5 Audio Amp, OB2 Voltage Regulator and 5U4GB Rectifier. Two tuned RF stages with three tuned circuits on all bands. Single conversion below 7 MHz.
Features: " Head. Jack S-Meter Manual NL Antenna Trimmer RF Gain Dial Lamp IF Out Jack Mute Tone Bandspread Cal Reset HFO In Jack 5 Fixed Channels
Accessories: NTS-2 Speaker, XCU-400 Calibrator 100/1000 kHz, MX-400 50 Fixed Freq., NC-400 DMK Diversity Modification Kit
New Price: $895-995 Used Price: $500-900
Comments: Ranges: .54-1.1, 1.1-2.1, 2.1-4.1, 4.1-7, 6.9-12.2, 11.8-20.4 and 19.6-31 MHz. Bandspread: 3.5-4.1, 7-7.3, 13.7-14.5, 20.8-21.6 and 28-30 MHz. Has five crystal positions. Gray and black metal cabinet. Were used in F.B.I. field offices.

National SW-54

SW-54
General Coverage Communications Receiver Rating (1-5):
Made In: United States 1950-1957 Voltages: 105/130 VAC 50/60Hz 25W or 105/130 VDC
Coverage: 540 - 30000 kHz Readout: Analog
Modes: AM/CW Selectivity: 5 kHz -6dB.
Circuit: Single Conversion Superheterodyne. 5 Tubes. Physical: 11x7x7" 13 Lbs. 279x178x178mm 5.9 kg
Circuit Complement: 12BE6 Converter, 12BA6 CW Oscillator/IF Amp, 12AV6 2nd Detector/1st Audio/AVC, 50C5 Audio Out and 35Z5 Rectifier.
Features: Phone Tip Jack Standby Bandspread 0-100 Speaker Dial Lamp Spkr/Phones Switch
New Price: $50-60 Used Price: $50-100
Comments: Ranges: .54-1.6, 1.6-4.7, 4.6-14.5 and 12-30 MHz. The SW-54 has a red dial pointer, and red slide switches. The Tuning and Bandspread knob are one in the same (not a true bandspread). A popular model fondly remembered by baby-boomers.

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