| GENERAL |
| Type: | HF receiver |
| Frequency range: |
0.03-30 MHz
|
| Tuning steps: |
| AM: | 50 Hz |
| AMS/SSB/CW: | 8 Hz |
| FM: | 125 Hz |
|
| Frequency stability: | ±30 Hz per hour @ 20°C (68°F) |
| Mode: | AM / SSB / CW (FM and AM-synchro (AMS) option) |
| Channels / memory management: |
30 regular
RAM storage with lithium battery backup
|
| Power supply: | 12 VDC (Internal NiCd battery pack)
or 10-15 VDC external (Male barrel jack, center positive) |
| Current drain / power consumption: | 250-300 mA (Typical) |
| Antenna impedance / connector: | 50 ohm / SO-239
600 ohm / Spring terminals |
| Dimensions (W*H*D): | 253*109*204 mm (9.96*4.29*8") |
| Weight: | 1.9 Kg (4.19 lb), without batteries |
| Other features: | NB. Attenuator (20 dB). 200 Hz CW audio peak filter. |
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| RECEIVER SECTION |
| Receiver system: |
Double conversion superheterodyne
1st IF: 45 MHz
2nd IF: 455 KHz
|
| Sensitivity: |
AM (No reference)
0.06-2 MHz: <1.2 uV
2-30 MHz: <0.9 uV
FM (No reference)
0.06-2 MHz: <1 uV
2-30 MHz: <0.9 uV
SSB (No reference)
0.06-2 MHz: <0.6 uV
2-30 MHz: <0.5 uV
|
| Squelch sensitivity: | |
| Noise figure: | |
| Selectivity: |
AM/AMS/SSB (Selectable)
2.3 KHz (-6 dB), 3.4 KHz (-60 dB)
5.9 KHz (-6 dB), 9.8 KHz (-60 dB)
8.8 KHz (-6 dB), 12.9 KHz (-60 dB)
10.6 KHz (-6 dB), 21.5 KHz (-60 dB)
FM
12 KHz (No reference)
CW
2.3 KHz (-6 dB), 3.4 KHz (-60 dB)
|
| Image rejection: | |
| AF output power / speaker: | 1.6 W at 5% distortion / 8 ohm
2 W at 5% distortion / 4 ohm |
| External speaker connector: | TS "Minijack" (3.5 mm), 4-8 ohm |
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| MISCELLANEOUS |
| Manufactured: | England, 1989-1998 (Discontinued) |
| Additional info: | New price 1992 in Sweden: SEK 6450:- |
| Related documents: |
User manual (2.2 MB)
Service manual (4.7 MB)
|
| Modifications and fixes: | |
| Reviews: | Amateur Radio (UK): November 1989, page 8 |
| Options / Accessories: |
B-225
D-225
K-225
S-225
W-225
|
Internal battery pack
FM and AMS detector unit
External keypad
External speaker
Whip antenna and internal preamp
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