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Mono Cartridge Stylus

So a while back there was a thread about mono cartridges like the Miyajima. There was some confusion about stylus size and what should be used for mono re-pressings versus the original mono pressings.

So Miyajima claims that their 0.7 stylus is optimal for modern mono re-pressings and that their 1.0 stylus is for those earlier mono pressings that began in 1950. Columbia introduced the Microgroove pressing in 1948. The Microgroove pressing offers 300-400 grooves per inch and AI claims that the correct stylus for these pressings is 0.7. I will say that I don't believe Miyajima to be entirely wrong, as there were labels that still used wider grooves however, I believe nearly all of the major labels eventually adopted the Microgroove band width thus making it the norm by the early to mid 1950's.

goofyfoot

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bdp24
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@dogberry: I currently have a Decca 4RC sitting at the London/Decca office in England, waiting for me to choose between the original stock size conical stylus and the line contact that London offers. Having them rebuild it as a mono model has also been swirling around in my brain. I already have two stereo London’s, but the Decca 4RC has a different motor structure and cartridge body construction (and therefore sound character) than later Deccas (and of course Londons), which I anxiously await hearing.

 

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