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Topic

star A.C. Devices
star A.C. EMI Filter
star A.C. Spectrum
star Digital Oscilloscope
star Flat Top A.C.
star Isolation Transformer - Safer Power Supply ?
star Isolation Transformer
star MCB - For Testing
star Relay - Power Failure Manual Reconnection System
star Soft Start Circuit
star Soft Start Circuit 2
star Tube Amplifier
5Z3P, 6N9P, EL34
 

Useful Info.

star AWG Vs mm
 

My AV System

star System Info.
star Testing Result 2016-5-14
star Testing Result 2014-7-27
   

Case Opening

star Cambridge Audio
CA 351C
star KEF Q300 Speaker
   

Unboxing

star 5z3p 6n9p EL34
Tube Amplifier DIY kit
star AudioQuest USB A-B Forest 1.5m
star B&W 685 S2 speaker
star WireWorld RCA Luna 7 1m
   

Other DIY

star Medeco Lock Replacement
   

 

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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