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Audio and Video Talk
Vinyl
Point to point wiring from a practical point of view
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<blockquote data-quote="Mars" data-source="post: 77559" data-attributes="member: 817"><p>Yes, the copper bus bar is a critical aspect of the circuit. I'll even venture to say that the earth configuration is going to make or break your construction.</p><p></p><p>I have seen amplifiers that tie the earth to the chassis all over the place, and still perform quietly, but it is not a practice I engage. I also prefer the earth bus, connected on one side only to the chassis, usually close to the input point.</p><p></p><p>Here is another example of P2P wiring, this time from post war Japan:</p><p></p><p><img src="http://farm5.static.flickr.com/4128/5095975537_3c2c74a339_b.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Note that the centre lug of the tag strip is screwed down, and soldered. Obviously they are using the chassis as an earth plane. Also note that the centre lug of the 9-pin socket is connected to earth, but nothing is connected to it! I guess it helps stopping interference between legs of the tube socket.</p></blockquote><p></p>
[QUOTE="Mars, post: 77559, member: 817"] Yes, the copper bus bar is a critical aspect of the circuit. I'll even venture to say that the earth configuration is going to make or break your construction. I have seen amplifiers that tie the earth to the chassis all over the place, and still perform quietly, but it is not a practice I engage. I also prefer the earth bus, connected on one side only to the chassis, usually close to the input point. Here is another example of P2P wiring, this time from post war Japan: [IMG]http://farm5.static.flickr.com/4128/5095975537_3c2c74a339_b.jpg[/IMG] Note that the centre lug of the tag strip is screwed down, and soldered. Obviously they are using the chassis as an earth plane. Also note that the centre lug of the 9-pin socket is connected to earth, but nothing is connected to it! I guess it helps stopping interference between legs of the tube socket. [/QUOTE]
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Audio and Video Talk
Vinyl
Point to point wiring from a practical point of view
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