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star A.C. Devices
star A.C. EMI Filter
star A.C. Spectrum Verion 2
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

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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


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
star Vacuum Pump for RC Oil Damper

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Isolation Transformer
Part 6

The bigger case for the Isolation Transformer

Put it on the base for easy moving.

You can compare the size of the Isolation Transformer with that of the 1x1 square feet wooden floor.

The weight of the Isolation Transformer is 14.1 kg ... Rated Power is 2000VA.

Specification of Isolation Transformer


Input: 0V - 220V Red - Red 50 - 60 Hz, Yellow Green Shielding

Output: 0V - 220V Green - Green

Isolating Transformer

Fix the Isolation Transformer with the nut and the plate provided by the Isolation Transformer manufacturer.

The case is a little bit too tall compare with the height of the Isolation Transformer; however, the case is not talior made. It is perfect for me ... DIYer.

There are many wiring work needed, just keep the case open.

Part 6 finished

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