Monthly Archives: February 2015

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

Posted in Power Amplifier | Tagged , , , , , , , , , , , , | Leave a comment

Voltmeter or no Voltmeter

I’m deciding on whether to add a voltmeter to the front panel of the amps. As the battery voltage falls, they will need recharging – how will the listener know they need charging? One way would be to monitor a … Continue reading

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