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Audio and Video Talk
Vinyl
Sansui BA-303 and AU-70
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<blockquote data-quote="henniekuyper" data-source="post: 64421" data-attributes="member: 1448"><p><strong>The core steel must be</strong>:</p><p></p><p>Two of the most significant issues on output transformer design are the core selection and the winding techniques. Most of Hashimoto's main output transformers, excluding smaller transformers, such as 15W in PP or 7W in SE, are constructed with a parallel twin Cut-Core to form a shell type core. The core material is 0.27mm Orient Core Hi-B, which is the enhanced directional silicon steel, from Nippon Steel Corporation with 1.10 W/Kg Material iron Loss at 1.7T/50Hz (for the comparison, the thickness and Material iron Loss of popular M3, M4, M5, M6 are 0.27mm/1.3, 0.27mm/1.4, 0.3mm/1.5, 0.3mm/1.65 at 1.7T/50Hz respectively).</p><p></p><p>Hennie</p></blockquote><p></p>
[QUOTE="henniekuyper, post: 64421, member: 1448"] [b]The core steel must be[/b]: Two of the most significant issues on output transformer design are the core selection and the winding techniques. Most of Hashimoto's main output transformers, excluding smaller transformers, such as 15W in PP or 7W in SE, are constructed with a parallel twin Cut-Core to form a shell type core. The core material is 0.27mm Orient Core Hi-B, which is the enhanced directional silicon steel, from Nippon Steel Corporation with 1.10 W/Kg Material iron Loss at 1.7T/50Hz (for the comparison, the thickness and Material iron Loss of popular M3, M4, M5, M6 are 0.27mm/1.3, 0.27mm/1.4, 0.3mm/1.5, 0.3mm/1.65 at 1.7T/50Hz respectively). Hennie [/QUOTE]
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Audio and Video Talk
Vinyl
Sansui BA-303 and AU-70
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