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star A.C. Devices
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star Isolation Transformer - Safer Power Supply ?
star Isolation Transformer
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Case Opening

star Cambridge Audio
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star 5z3p 6n9p EL34
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star B&W 685 S2 speaker
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Isolation Transformer
Part 4

The original case has a large hole for the IEC Male connector with Fuse; however, I would like to use an IEC Male connector without Fuse. So, I have to buy a "converter" for the smaller IEC Male connector.

On the other hand, I have to enlarge the hole for the switch ...

Milling Cutter Enlarging the Square hole with Milling Cutter ... hand held ... ...
The edge is not perfect because of low cost DIY equipment with hand held ... ...
Finish ... not beautiful ... now
The IEC coverter plate is installed
Looks good ...
The IEC Male connector is Copper Colour ... ... A famous brand of HIFI connectors, wires in China

One more hole is needed for the press button switch ...

Looks perfect now !

This is the back of the smaller case.
Part 4 finished

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12