Story of a pair of silver output transformers
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| Precision CNC Crafted Fiber Glass Bobbin |
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| Wind, wind and wind... |
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| Nice and shiny LEWCOS silver plated magnet wires |
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| Wires are properly aligned for maximum coupling and durability |
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| Measurements to ensure proper matching |
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| It's matched alright... down to 0.x Ohms - 0.3%! |
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| Stray Capacitance |
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| Leakage inductance |
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| Primary inductance - gapped at 110mA for 300B-XLS |
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| Primary inductance - gapped at 110mA for 300B-XLS - 2% tolerance! |
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| Potted, 3.5K Primary, 40 Ohm secondary - for headphone use |
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| Direct draw of magnet wire to the binding posts for direct signal path |
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| Transformer cover - 1.2mm thick top cover, 1.8mm base plate. |
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| Extra piece of brand new cover for user to pot his power transformer. |
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| 1st layer of packaging - shrink wrapped, covered with thick paper box, and protected by bubble wrap before being boxed in the 1st box. |
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| View before bubble wrap is added. |
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| 2nd box! |
Hope you enjoyed the show!
J&K Audio Design
14 May 2014
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