Even though the control panel looks simple compared to an MFJ it really helps to have the updated manual at the ready while in the learning curve. I work only CW so my rating applies only to A1A and not voice modes. I rated the JPS NIR "Good" not "Great" but it is way ahead of the original kit-built DSP-1 that I tried out. Audio Filter Discontinued! JPS NIR SWL Audio Filter Discontinued! Please check our Used List. Recently sold used. Discontinued Audio Filters: The JPS NIR audio filter allows reception of difficult to read signals and reduces listener fatigue. Operates on radio receiver audio outputs then provides its own volume-adjustable processed audio to an external 3 to 8 ohm speaker Missing: manual. Created Date: 8/8/ PM.
was using a jps nir which i liked, saw this jps nir at a tailgate for $ with manual and power supply. best purchae i have made for ham related gear in year's. the nir is very good on cw, avg on ssb, well, that really changed with the nir, cw is still very good, but ssb use is greatly improved on the nir, work's better than. Y JPS NIR $ SOLD Audio Filter The JPS NIR audio filter employs DSP circuits to provide effective noise reduction. The rear panel has jacks for Audio In, Speaker Out, Remote Bypass, Inv Rem Bypass, DC Input. There is a headphone jack on the front panel. Requires 12 VDC at 1 amp. Power supply not included. [08/10] Click here for technical info on this discontinued model. Comments on JPS NIR DSP Audio Filter. by Gregory K Doerschl» Sat, The following comments represent a rather thorough assessment of the JPS. NIR DSP Audio Filter which I picked up a few weeks ago. Their emphasis. is on the use of the NIR for shortwave broadcast listening and SSB. utilities monitoring, but hams.
- JPS Digital signal processor NIR - - Documentation - Complete Manual / Schematics (In www.doorway.ru image file) - Technical data - FACTORY SPECIFICATIONS. JPS NIR SWL Audio Filter Discontinued! Please check our Used List. Recently sold used. Discontinued Audio Filters The JPS NIR audio filter allows reception of difficult to read signals and reduces listener fatigue. Operates on radio receiver audio outputs then provides its own volume-adjustable processed audio to an external 3 to 8 ohm. Re: JPS NIR DSP eproms «Reply #1 on: Novem, pm» Just to update: I connected to Doug K4DSP, the original designer of the NIR and he was kind enough to give me his last set of ROMs so that I could make the DSP work.
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