GENERAL |
Type: | General coverage HF receiver |
Frequency range: |
0.54-31 MHz in seven bands
A: |   0.54-1.1 MHz |
B: |   1.1-2.1 MHz |
C: |   2.1-4.1 MHz |
D: |   4.1-7.0 MHz |
E: |   6.9-12.2 MHz |
F: |   11.8-20.4 MHz |
G: |   19.6-31 MHz |
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Tuning steps: | Analog / continuous |
Frequency stability: | 0.002% after warmup (No temperature reference) |
Mode: | AM / SSB / CW |
Channels / memory management: |
5 optional XTAL controlled
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Power supply: | Mains: 115 / 230 VAC |
Current drain / power consumption: | 138 W |
Antenna impedance / connector: | ? ohm / ? |
Dimensions (W*H*D): | 482*279*406 mm (19*11*16") |
Weight: | ? Kg (? lb) |
Other features: | Bandspread. IF out jack. |
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RECEIVER SECTION |
Receiver system: |
Single conversion superheterodyne (Below 7 MHz)
IF: 455 KHz
Double conversion superheterodyne (Above 7 MHz)
1st IF: 1.72 MHz
2nd IF: 455 KHz
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Sensitivity: | 1 uV (10 dB S/N) |
Selectivity: |
Selectable
16, 8, 4 and 3.5 KHz (-6 dB)
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Image rejection: | 80-100 dB |
AF output power / speaker: | 1 W at ?% distortion / No internal speaker |
External speaker connector: | 3.2 ohm |
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MISCELLANEOUS |
Manufactured: | USA, 1959-1963 (Discontinued) |
Additional info: |
18 tubes
Was commonly used in FBI field offices
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Related documents: | |
Modifications and fixes: | |
Reviews: |
CQ: April 1960
QST: February 1960, page 44
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Options / Accessories: |
NC-400 DMK
NTS-2
XCU-400
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Diversity modification kit
Matching speaker
Calibrator
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