2/8/2024 0 Comments Military protractor diagram![]() Suitable for those Technics turntables that have an arm mounting distance of exactly 215mm, such as the SL-1200/1210/1300/1400/1500/1600 etc. Identical to the Baerwald protractor above but designed using Stevenson null points which gives alignment closer to Regas and is useful when the headshell slots don't give enough room to align your chosen cartridge using the Baerwald design. Suitable for Rega tonearms mounted at exactly 222mm (standard) mounting distance. This single point design is especially quick and easy to use and includes an arc for rapid double checking. Suitable for Rega tonearms only, mounted at exactly 222mm (standard) mounting distance. Includes integral strobe disc in 3 versions, 50Hz, 60Hz and 300Hz. Suitable for Linn tonearms mounted at 211mm mounting distance. ![]() Please Note The alignment curve on an arc protractor is only suitable for the stated mounting distance.ĭO NOT use an arc protractor unless it matches your mounting distance exactly. This tool is suitable for accurate mounting and alignment of all Linn mounting pattern tonearms.Īrc protractors allow super fast, accurate cartridge alignment. Linn Ittok / LVX / LVX+ protractor / mounting template Universal two-point protractor that uses Heybrooks chosen null points of 63.5 and 120mm Suitable for the Helius Aureus tonearm only Suitable for the Audiocraft AC300C tonearm only These protractors are tonearm specific or use alternative alignment methodology. ![]() The Arc protractor is suitable as a cartridge alignment protractor for specific tonearm lengths / mounting distances only (see instructions enclosed) For example, this could be used in conjunction with the tonearm database to compare the tonearm manufacturers alignment with the popular Baerwald type found in most aftermarket protractors.Ī mirror protractor, a variation on the classic two-point protractor - suitable for experienced users only! ![]() A quick and easy way for experimenters to judge the sonic merits of different alignment methods. This is especially useful for arms which have limited room in the headshell slots and can't be aligned satisfactorily with a Baerwald type.ĭesigned to allow users to align their cartridge at any two null points between 60 and 150mm. If you aren't sure which type to use and want a free alternative to the common shop bought designs, download this one.Īnother universal protractor, this time using the Stevenson alignment method with null points at 60.325 mm and 117.42 mm. Calculate geometry for your DIY tonearm designĪssess the effects of changing stylus overhang while keeping the original angle of the cartridge in the headshell Generic (universal) protractors Stupid ProtractorsĪ pair of universal two-point protractors, one using the more common Baerwald alignment method as used on 99% of commercial products and the other Loefgren B (see Seb's user guide above for an explanation of the difference).Discover the optimal mounting distance for a known effective length.Optimise alignment for your own record collection by adjusting for optimal groove radii. ![]()
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