| Genaral DX-SR8 ALL MODELS |
| Operating mode |
J3E (USB, LSB), A3E (AM), A1A
(CW), F3E (FM) |
| Antenna impedance |
50ohm unbalanced |
| Frequency stability |
+/-1ppm |
| Power requirement |
13.8V DC +/-15% (11.7 to 15.8V
DC) |
| Ground method |
Negative ground |
| Current drain |
Receiver:
1.0A(max.) 0.7A(Squelched)
Transmit: 20A |
| Operating temperature |
-10digC to 60digC (+14digF to
+140digF) |
| Dimentions |
240(w) x 94(h) x 255(d)mm
(Projections not included)
(9.45"(w) x 3.7"(h) x 10"(d)
240(w)
x 100(h) x 293(d)mm
(9.45"(w) x 3.94"(h) x 11.54"(d) |
| Weight |
Approx. 4.1kg (144.6oz) |
| Dimensions (w/o projection) |
142(W) x 40(H) x 174(D)
mm
5.59"(W) x 1.57"(H) x 6.85"(D) |
| Weight |
Approx. 1.0Kg (35.3oz) |
| Transmitter |
| Power Output |
SSB, CW, FM: 100W(Hi) Approx. 10W
(Low) Approx. 1W (S-Low)
AM: 40W(Hi) Approx. 4W (Low) Approx.
0.4W (S-Low) |
| Modulation system |
SSB: Balanced modulation
AM:
Low power modulation
FM: Reactance modulation |
| Spurious emission |
Less than -50dB (Less than -45dB
in 30m band) |
| Carrier suppression |
More than 40dB |
| Unwanted sideband |
More than 50dB(1KHz) |
| Maximum FM deviation |
+/-2.5KHz |
| Receiver |
| Receive circuitry |
Double conversion
superheterodyne |
| Sensitivity |
SSB: (0.15 to 1.8MHz)
0dBu(1uV)
CW: (1.8 to 30MHz) -12dBu(0.25uV)
AM:
(0.15 to 1.8MHz) +20dBu(10uV)
AM: (1.8 to
30MHz) +6dBu(2uV)
FM: (28 to 30MHz)
-6dBu(0.5uV) |
| Intermediate frequency |
1st 71.75MHz, 2nd 455KHz |
| Selectivity |
SSB, CW, AM(narrow):
2.4KHz/-6dB 4.5KHz/-60dB
AM, FM:
6KHz/-6dB 18KHz/-60dB
-6dB: 6KHz or more
-60dB:
16KHz or less (NFM) |
| Spurious and image rejection
ratio |
More than 70dB |
| Audio output power |
More than 2.0W(8ohm
10%THD) |
| RIT variable range |
+/-1.2KHz |
