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Audio and Video Talk
The Vintage Audio Section
Marantz PM-30 Amp
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<blockquote data-quote="Henry" data-source="post: 480444" data-attributes="member: 14394"><p>Johan</p><p></p><p>Found the problem with the amp. The one leg of the one emitter resistor was a dry joint. However, it has also caused problems with the power transistor that is connected to the resistor and will need replacement. The resistor itself still tests fine.</p><p></p><p>The transistor is a Toshiba 2SC3180N. As it so happens, they are not being made anymore, as is usual with a lot of Toshibas. So if anybody out there can help me locate such a transistor, it will be very helpful. So for now I am going to look around for alternatives. Mike, Rudie?</p></blockquote><p></p>
[QUOTE="Henry, post: 480444, member: 14394"] Johan Found the problem with the amp. The one leg of the one emitter resistor was a dry joint. However, it has also caused problems with the power transistor that is connected to the resistor and will need replacement. The resistor itself still tests fine. The transistor is a Toshiba 2SC3180N. As it so happens, they are not being made anymore, as is usual with a lot of Toshibas. So if anybody out there can help me locate such a transistor, it will be very helpful. So for now I am going to look around for alternatives. Mike, Rudie? [/QUOTE]
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Audio and Video Talk
The Vintage Audio Section
Marantz PM-30 Amp
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