Liquid Mike

As a kid, I cherished my Tandy 200-in-1 electronics project lab, Dick Smith electronics kits and making tapes from 96FM on my Dad's hi-fi. After years as a drummer and lover of all things music and hi-fi, I created Liquid Audio with the mission to deliver the ultimate science-based knowledge and TLC for Japanese, American and European classic and vintage hi-fi stereo equipment.

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Denon DP-1200 Turntable Motor Service

By popular demand, I’ve decided to write some articles about servicing direct-drive turntable motors. Having recently overhauled a Denon DP-1200, this seemed like a great motor to start with. The Denon DP-1200 is a direct-drive classic, loved by thousands around the globe. Consider this a workhorse deck, solid, well-made, reliable, with great sound. This is

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Class-A Amplifiers and the Krell KSA-150

Regulars will know how much I love Krell’s class-A amplifier designs. The Krell KSA-150 power amplifier is a great example. In this article, I discuss the basics of class-A amplifiers, with particular reference to the gorgeous KSA-150. You may have already watched my restoration video, where I completely refurbish one of these beasts, if not,

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Kenwood KD-500 / SME 3009 Turntable Service

As a follow-up to my article on servicing the Kenwood KD-500/550 motor, I bring you an article detailing the comprehensive service of this gorgeous Kenwood KD-500 / SME 3009 combination.  The KD-500 is a heavy hitter from the late 70’s, still punching above its weight 40 years on. The Kenwood KD-500 and KD-550 direct-drive turntables

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