Monthly Archives: October 2011

Earthing System for Hi-Fi

The earthing for a mains powered Hi-Fi system is pretty straight forward, so long as you keep the signal currents away from the heavy currents placed on the power supplies and don’t introduce any loops etc. The earthing for the … Continue reading

Posted in Design, Earthing | Tagged , , , , , | Leave a comment

Front Panel Layout V2

It is very important to me to keep left and right channels symmetrical and with signal wires as short as possible. For this reason both the input selector switch and volume control need to be centrally aligned, this solving both … Continue reading

Posted in Amp Cabinet, Design | Tagged , , , , , , , | Leave a comment

Control Switch Saga

I’ve just noticed that having straightened up the alignment of the Volume and Input Selector knobs, the Input Selector’s connection rod will now run right through the middle of the Amp Board connector. So that’s why I had it over … Continue reading

Posted in Amp Cabinet, Design | Tagged , , , , , , , , , , | Leave a comment

Lack of Alignment

That ever so slight kick to the right of the input switch compared to the volume control below it is irritating me. It’s the ‘butterfly effect’; a lack of alignment between the 0.1″ grid the objects use on the Relay … Continue reading

Posted in Construction | Tagged , , , | Leave a comment

Amp Cabinet Control View

The new amp board design is coming along nicely and it won’t be much longer now before its design is finished. I’m very pleased with the way it is going and in completing its design I have had to look … Continue reading

Posted in Amp Cabinet, Design | Tagged , , , , , , , , , , , , , | Leave a comment

V3 Relay Board layout complete

The Relay Board now also contains the regulation circuitry and its layout is complete. I’ll print out the drawing to use as a template for drilling holes and mounting the components. I’m very happy with the layout though there is … Continue reading

Posted in Construction, Control Circuits, Power Supplies, Relay Board | Tagged , , , , , | Leave a comment