Brief Pointers
"THE object of the adjusting screw on a horn loudspeaker is to vary the distance between the permanent magnet, and the diaphragm in order that the maximum sensitivity can be obtained, .
'THROTTLE-CONTROL reaction has of late become very popular for shortwave work, OR sensitivity’s sake it is often an ad¥antage to reduce the value of the shortwave condenser. to .0001 and increase the grid leak up to about 6 ‘'megohms, "THRESHOLD howl, . the bugbear of the shortwave enthusiast, is not due to only one- particular cireumstance, but can arise from a large numbt of different factors. ,
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https://paperspast.natlib.govt.nz/periodicals/RADREC19290719.2.71
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Radio Record, Volume II, Issue 53, 19 July 1929, Page 37
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98Brief Pointers Radio Record, Volume II, Issue 53, 19 July 1929, Page 37
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