...My DIY audio world...
Why the CleanPower®
was build? Because I still had nightmares what the electric line
carry into my audio system. What to did? I started to digging an
internet and found some articles, reading some audio forums (e.g.:
looking at photos of DIY devices and schematics. That was basement
of my CleanPower®
project. The conditioner was build in short time because I wanted
to use the device as quickly as posible. This is a reason why I have
never finished the front side of its housing and now I know that I
will finish it because I intend to build new
in better looks housing. The circuit will be a bit improved for higher
efficiency of "AC cleaning".
How it was made
include: mains relays, DC trap, main RFI/EMI filter,
separating EI trafo, 3 pcs toroids, 3 pcs RFI/EMI filters,
3 regulators and sockets. All is mounted directly to bottom plate
of housing. The housing is made of 10 mm thick MDF covered inside by
1 mm thick Alu sheet. Cover plate is made of 1 mm thick steel sheet.
The housing is painted by black mat varnish.
Basic module of the CleanPower®
is main DC trap with main EMI/RFI filter. AC lines is connected
by solid and thick shielded 3-wire power cord fitted with big mains
plug on input end and with PowerCon by Neutric plug on output.
Current flows from PowerCon socket throw 2 big 20A relays to
directly Power Amp socket (from first relay) and to DC Trap
and main EMI/RFI filter (from second relay). From the main filter
current flows to directly to Turntable socket and to first EMI/RFI
sub-filter and from the sub-filter to FM Tuner/TV Set/DVD Rec sockets.
From the main EMI/RFI filter current flows pararelly to 100VA EI
trafo (now bypassed because it gives to high voltage on outputs:
245V) and next to 2 EMI/RFI sub-filters. Outputs of them
are connected to 3 sockets: DAT Rec, CD Player and Preamp. Additionally
outputs of both these sub-filters are connected to 3 small 15VA
toroids. Each toroid supply one regulator: +/-16V, +/-19V and
+14V. Outputs of these regulators are connected to small
XLR sockets: AudioAlchemy DAC, AudioAlchemy DTI and AudioAlchemy HPA.
The DC trap is equiped with Fuse Detector. There are 16A rotary
switch to on-off relays and fuses too. All high voltage connections
are made of Cu 4 sq mm wires. That is all. Internal connections
are such simple that I made the dvice first and next drew the
schematic. It is placed on left submenu.
More details and photos I publish after the CleanPower®
will be disconnected from my system.