Category Archives: renovation

In the meantime, my B&O 3800’s are going up for sale

I’ve started to work on my Bang & Olufsen (B&O) 3800 speakers. The crossovers have had their electrolytic capacitors replaced (and upgraded a bit): The internal cable has been replaced with decent stuff and good quality 4mm banana connectors have … Continue reading

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Quick Update

I’m feeling guilty for not saying anything on this blog for such a long time, so will write something quick now. I took some time off to decorate the sitting room; laying a parquet floor and a vintage looking HiFi … Continue reading

Posted in Amp Cabinet, Amplification, cabinet, Construction, Design, Earthing, PCB Layout & Design, Power Amplifier, Power Supplies, Pre Amplifier, renovation, Vintage HiFi Renovation | Tagged , , , | Leave a comment

Pioneer SX-5580 Broken Pot / Switch Shaft Repair / Fix

The Pioneer SX-5580 I am renovating was not looked after very well at some point, surprising considering how prestigious a piece of equipment it is and how much it would have cost.  One of the problems was some bent volume … Continue reading

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Dry Solder Joints

Some parts in a power amp stage get very hot.  The output transistors of course but also some of the resistors in the output stage.  After years and decades of getting very hot and then cooling and running through this … Continue reading

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