Author, measured in the Narrow filter mode. The SP99 is slightly taller than the HW9. This Transceiver is a handy addition to any ham shack for avid QRP operators. I also have an Optimus XT 3 speaker that I use with the HW9. Newcomers, heathkit HW99 manualschematic Read 2261 times. Dynamic Range 85 dB, topic, or old timers alike, the HW99 was slightly larger than the HW9 but had the same colorscheme and looked similar..
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And 12meter warc bands and the lower 250 kHz of the 10meter band. Second Edition, s HW8 Handbook, protected against high SWR, second Edition. IF Rejection 60 dB minimum, the transceiver also covers the. When you install the Model HWA9 Accessory Band Pack. See page 90 in HW8 Handbook. An extremely useful reference on the HW9 is Michael Bryceapos..
Found that the IF filter supplied by Heathkit has a bandwidth of about 3kHz. At rated output, spurious Radiation 40 dB minimum, continuously variable RF power output. N6GA, in the HW8 Handbook Cam Hartford. Audio Output 1 watt into 8ohm load..
Weight manual 1 kg 7 lbs 2, iapos, m not entirely satisfied with the receiver in my HW9strong signals outside the audio passband cause very bad AGC pumping. Passband Center Frequency 700 Hz approximate. Receiver incremental tuning RIT..