Many customers of ours had ordered a lot of our C core power transformers, output transformers, chokes and such. So today, let me show you guys the details of this core. This is higher quality than the normal Hi-B C core. Should I call it as Hi-Hi-B C core? [14/9/2014] Let's call it as Super Hi-B C Core. It is a custom made core to our specifications.
The core sheets comes with high laser cut stripes on their surface and therefore it is quite easy to recognize. The core materials are ordered in rolls, pressed and cut into share to become a C core. The cut area needs to be polished to have good contact between the 2 C's for good coupling.
[14/9/2014] Our customize C cores comes in pairs too with identification on the transformers in matched pairs for ultimate performance and matching.
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| Laser cut stripes on C core lamination |
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| Polished surface |
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| Super Hi-B C Core |
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| 1 batch of Super Hi-B C core |
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| Super Hi-B C Core with custom made bobbin |
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| Made in to double C Core Output Transformer |
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| Primary Inductance measurement - whopping 34H! |
With normal Z11/Hi-B cores, I can only get ~19-20H for the same winding. With Super Hi-B, it is 34H! Imagine how much bass extension you are going to get with the added primary inductance! Go figure.
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| Invoice from Nippon Steel |
Now it is time to order a pair and test out the power of Super Hi-B C Core!
J&K Audio Design
22 June 2014
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