Tag Archives: upgrade

Pioneer SX-5580 Receiver Refurb

Here is what I’m working on at the moment, a Pioneer SX-5580 monster receiver (amplifier with built in tuner).  As far as I’m aware, it is identical to the SX-1050 but is in black instead of all aluminium. This photo … Continue reading

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B&O Beogram 1200 Turntable Renovation / Service

In order to raise some funds for this project, I’ve been buying various vintage bits and pieces; amps, turntables, speakers, receivers and fixing them up for sale.  This blog shows some pictures of the inside of a Bang & Olufsen … Continue reading

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Quad 404 – 2 Service and Upgrade Results

My good friend has now listened to his serviced and upgraded Quad 404 Mk 2 and emailed me his assessment: “Btw…finally to answer your question…yes, Quad well worth the 200 smackers to renovate! Listening now…(Erykah Badu)… muddiness gone, “earth loop” … 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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Quad 405 Service and Upgrade

Looking around on the web I have come across Keith Snook’s site which is proving very useful – many thanks to him for his free and helpful efforts: http://www.keith-snook.info/

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Quad 405 Component Service / Upgrade

A good friend of mine, a HiFi buff and keen music listener and drummer, has asked me to service his Quad 405-2. This amp has a great reputation for a good reason – it sounds great, especially for its time … Continue reading

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Upgradability

There will be three amplifier quality levels. Level 1, the lowest quality level, will be powered by the mains via a filter and then a d.c. regulator with electrolytic capacitors. This is the standard way of providing power for virtually … Continue reading

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