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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[CQ\-Contest\]\s+Noise\s+cancelling\s+headphones\s*$/: 4 ]

Total 4 documents matching your query.

1. [CQ-Contest] Noise cancelling headphones (score: 1): Author: paule@sfu.ca (Paul Erickson); Date: Sat Dec 11 15:23:12 1999; Has anyone had any experience with "noise cancelling" headphones? I just tried a pair of Sony MDNR5's and they look promising. I am getting ready for a multi multi operation next year, and need a set; /archives//html/CQ-Contest/1999-12/msg00082.html (7,423 bytes)
2. [CQ-Contest] Noise cancelling headphones (score: 1): Author: AA4NC@aol.com (AA4NC@aol.com); Date: Mon Dec 13 23:08:45 1999; The noise cancellers work great in VERY noisy environments with lots of low frequency noise. Most are made to attenuate noise by 15-20 dB in the 60-150 Hz region that are generated by propeller drive; /archives//html/CQ-Contest/1999-12/msg00086.html (7,953 bytes)
3. [CQ-Contest] Noise cancelling headphones (score: 1): Author: brian@brianlewis.com (Brian L. Lewis); Date: Mon Dec 13 19:36:20 1999; Paul, In addition to ham radio, I also play the drums. For drummers they make "isolation headphones". 29 db of attenuation from outside noise. I use these to practice drums with, plus I monitor the o; /archives//html/CQ-Contest/1999-12/msg00088.html (7,614 bytes)
4. [CQ-Contest] Noise cancelling headphones (score: 1): Author: sdelling@facstaff.wisc.edu (Scott Ellington); Date: Mon Dec 13 15:29:12 1999; I've used a commercial set (NRT?), advertised in QST, etc. They are very effect in reducing noise, but there are a couple problems. The audio response seems to have a big peak at very low frequencies; /archives//html/CQ-Contest/1999-12/msg00091.html (7,742 bytes)

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