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OM POWER - OM-2501HF - Amplifier Amateur Bands 1.8 – 29.7 MHz including WARC
OM-2501HF
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General description of the OM-2501HF amplifier
The linear amplifier OM-2501HF is a manual tune designed for all short wave amateur bands from 1.8 till 29 MHz (including WARC) and all modes.
It is equipped with an one piece of ceramic tetrode FU728F or GU84B.
Specification of OM2501HF:
| Frequency coverage: | Amateur Bands 1.8 – 29.7 MHz including WARC |
| Power output: | 2500W in SSB and CW on HF bands, 2000W in RTTY, AM and FM |
| Input Power: | Usually 30 to 60W for full Output Power |
| Input Impedance: | 50 Ohm, VSWR < 1.5 : 1 |
| Power Gain: | 17 dB |
| Output Impedance: | 50 Ohm unbalanced |
| Maximum Output SWR: | 3:1 |
| SWR protection: | Automatic switching to STBY, when reflected power is 350W or higher |
| Intermodulation distortion: | -32dB below nominal output |
| Suppression of harmonics: | < -50 dBc |
| Tubes: | 1x FU728F or GU84B Ceramic tetrode |
| Cooler: | Centrifugal blower + Axial blower |
| Power supply: | switchable voltages - 220/230/240V for 50Hz or 230/240/250V for 60Hz (or other primary voltages e.g. 200V 50/60Hz for Japan) |
| Transformers: | 2 pcs of toroidal transformer 2kVA |
| Dimensions: | 485 x 200 x 455mm (width x height x depth) |
| Weight: | 40 kg |
| Protection circuits: | - VSWR too high |
| - Anode current too high | |
| - Anode voltage error | |
| - Screen current too high | |
| - Screen voltage error | |
| - Grid current too high | |
| - Grid voltage error | |
| - Heating voltage error | |
| - Mistuning of PA | |
| - Temperature too high | |
| - Soft start for protecting your fuses | |
| - “switch-on blocking“ at opened amplifier | |
| Indications: | 4.3" color touch screen display |
| Features: | High level of protection |
| Memory for faults and warnings, easy maintenance | |
| Automatic set-up anode current (BIAS) – no need to adjust manually after changing the tubes | |
| Three programmable working modes of the axial blower | |
| Full QSK operation | |
| Many operational parameters to display |
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