Tag Archives: components

Populating the PCB

The printed circuit board is now being populated.  As you can see I am having to pillage previous versions for parts to keep the cost down; there are some very expensive parts to be bought yet. It feels so good … Continue reading

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PCB Layout and Design using KiCad

The layout of the PCB is progressing well. I spent a few days getting the hardware (as in the old physical sense, not the new computer speak) right which gave me the size of the PCB. I now have a … Continue reading

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Quad 405-2 Service and Upgrade

At the moment I am working on a friend’s Quad 405-2. ¬†It has never been serviced and is well over 30 years old. ¬†Electrolytic capacitors have a limited lifetime, mostly 2000 hours, special ones more (the ones I am using … Continue reading

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Lorlin Plastic Switches

I really do not like using metal switches for HiFi. Electric currents (including small signals) produce magnetic fields in surrounding metalwork. Even aluminium produces some bizzare effects when a magnetic field is introduced to it – look into this on … Continue reading

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Amp Board Construction

I have now started work on building the amplifier board. This contains the pre-amps as well as the power amps. I’ll add a photo once the board is completed.

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Creating a Stock Control System

In preparation for building the Lab Power Supply Unit I need to know what components to order. So I am currently creating a Stock Control System. That has meant updating all my circuit diagrams and component listings. Just in case … Continue reading

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A Tidy Workspace…

… equals a tidy mind. I have problems working in a space that is untidy. It’s almost as if the more untidy things get the more clutter I have in my mind and the last two builds did create one … Continue reading

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