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Desktop HF/VHF Receiver
Desktop Shortwave receiver
Desktop Shortwave Transceiver

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  80m  60m  40m  20m  15m  10m  80m  40m  20m  15m  10m 
Freq. stability ± 50Hz per hour after 1 hour. < 100 cps for 10% line fluctuation after warm up ?
Tuning steps Continuous Continuous ?

Receiver

RX-range 0.1-29.9999 MHz 10-80 m 10-80 m
Modulations AM   CW   USB   LSB   RTTY   AM   FM   CW   SSB   CW   SSB  
Sensitivity 0.5 µV 1.6-30 MHz SSB/CW S+N/N=10dB 0.5 µV (10 dB S/N) ?
Selectivity 2.4 / 6 kHz
0.6 kHz optional
SSB: 2.1 kHz @ -6 dB, 2.5 kHz @ -60 kHz
AM: 4 kHz @ -6 dB, 7.5 kHz @ -25 kHz
AM: 2.1 kHz @ -6 dB, 2.5 kHz @ -25 kHz
CW: 5 kHz @ -6 dB, 2.5 kHz @ -60 kHz
?
Filters ? ? ?
Receiver system Double conversion superheterodyne Single conversion superheterodyne Tubes
IF-freqs. 1st: 70.455 MHz
2nd: 455 kHz
455 kHz ?
Image rejection > 70 dB (1.6 - 30 MHz) > 50 dB ?
Audio output 1 W @ 4 Ohms, requires external speaker 2 W ?

Transmitter

TX-range - - 10-80 m
Modulations - - CW   SSB  
RF-output ? - SSB: 560 W (PEP input), CW: 500 W (input)

Connections

Antenna SO-239 SO-239 SO-239
Impedance 50/75Ω 50/70Ω 50 Ω
Other - - -

Electrical

Power req. Mains Mains Mains
Current RX 50W 50 W ?
TX - - ?

Physical

Manufactured Between 1979 and 1986 in Japan Between 1965 and 196x Between 1971 and 1973 in Japan
Dimensions 340 × 140 × 300 mm
(13.39 × 5.51 × 11.81 in)
380 × 180 × 330 mm
(14.96 × 7.09 × 12.99 in)
400 × 159 × 350 mm
(15.75 × 6.26 × 13.78 in)
Weight 7.70 kg (17.0 lbs) 12.00 kg (26.5 lbs) 18.15 kg (40.0 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories None None ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ¼" Head. Jack, S-Meter, Attenuator, NB, Mute Terminals, ANL, Line Out Jack, RIT, BFO, AGC, PBT, Speaker Output, MW Tune, Up-Down Tuning, Dial Lock, RF Gain, Int./Ext. VFO Switch. - ?
Accessories ? - ?
MPN JRC-NRD-000515 SOMMERKAMP-FR-000100B SOMMERKAMP-FTDX-000505