DIYer logo

DIY - you may not save money, but you can earn many ... fun, new knowledge, experience, ... even money at last


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

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


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

Custom Search

B&W 685 S2 speaker


bowers & wilkins 685 S2 speaker

Bowers & Wilkins ( B & W )

685 S2 Book Shelf Speaker

Made in China


B&W 685 S2

Two foams for reducing the Bass


3M Plastic Feet

3M Plastic "Feet"


Before pluging in the speaker cable, the plastic caps have to be removed.

You may use a "-" screw driver to lift the plastic cap.

B&W 685 S2


DIYer's equipment

My equipment is upgraded ...