Home
Up Front
Newsroom
Editorial
E-Letters
Features
Glenn Hauser's SW/DX Report
Glenn Hauser's
Continent of Media
Don Schimmel's Radio
Intrigue
Joe Carr's Tech Notes
Radio Basics
Frequency vs. Wavelength
Modes and Modulation
Call Sign Prefixes
UTC/GMT Conversion
Radio Terms
Shortwave Radio
Introduction to Shortwave
Listening
Tuning 150 kHz to 30 MHz
Selecting a Shortwave Radio
Reporting and QSLs
Receiver Reference
Modern Shortwave Receiver Survey
Favorite Tube-Type Shortwave Receivers
Scanner Monitoring
Introducing the "Action
Bands"
The World Above 30 MHz
Selecting a Scanner
National Scanner Frequency
Guide
Other Radio Hobbies
Ham Radio
AM Band DXing
Longwave DXing
Clandestine Radio
Pirate Radio
Numbers Stations
TV/FM DXing
Radio Links
Shortwave Listening
Radio Clubs
International Broadcasters
Scanner Listening
Ham Radio
Web-Controlled Radios
Miscellaneous
Top of Page |
National 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: • ¼" 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
| 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. |
Click here to return to the TABLE OF CONTENTS.
|
