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Audio and Video Talk
The Vintage Audio Section
Things that Dutchmen get up to...
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<blockquote data-quote="Steerpike" data-source="post: 198764" data-attributes="member: 807"><p>After a new power switch, and a circuit fudge in the counter (counter IC was half dead; its segment strobe oscillator had died, so I piggybacked a 7555 onto its clock pin) the Philips N4520 is working nicely. What I thought was a real-time counter actually counts off tape in metres! (quite unusual).</p><p></p><p>I don't think this model was ever marketed in SA, and it would be interesting to know how many made it over here. The interweb suggests only a couple of thousand were ever made.</p><p></p><p>Until I take photographs, here are someone else pictures of its guts, for those interested.</p><p><a href="http://www.makarateyp.com/MG/N4520/philipsN4520.htm" target="_blank">http://www.makarateyp.com/MG/N4520/philipsN4520.htm</a></p></blockquote><p></p>
[QUOTE="Steerpike, post: 198764, member: 807"] After a new power switch, and a circuit fudge in the counter (counter IC was half dead; its segment strobe oscillator had died, so I piggybacked a 7555 onto its clock pin) the Philips N4520 is working nicely. What I thought was a real-time counter actually counts off tape in metres! (quite unusual). I don't think this model was ever marketed in SA, and it would be interesting to know how many made it over here. The interweb suggests only a couple of thousand were ever made. Until I take photographs, here are someone else pictures of its guts, for those interested. [url=http://www.makarateyp.com/MG/N4520/philipsN4520.htm]http://www.makarateyp.com/MG/N4520/philipsN4520.htm[/url] [/QUOTE]
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Audio and Video Talk
The Vintage Audio Section
Things that Dutchmen get up to...
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