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Last modified 2023-06-27

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Lowe HF-225

A picture of Lowe HF-225

SPECIFICATIONS

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 (Barrel connector, 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.




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
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:3.5 mm, 4-8 ohm




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:
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
A rear picture of Lowe HF-225