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. Updated, 2026! 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

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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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Music Angel Class A Tube Amplifier For Sale

Liquid Audio is pleased to offer this Music Angel Class A 845 tube amplifier for sale, in new condition, with original boxes and packaging! UPDATE – SOLD!! The Music Angel Class A 845 is a beast. This is 28kg of pure Class-A, single-ended triode (SET) tube amplifier that sounds nothing like any solid state amplifier

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Kenwood KD-500/KD-550 Motor Service

I’m sure every regular visitor to my site knows just how much I love the old Kenwood KD synthetic composite turntables, especially the KD-600/650 series. But the classic Kenwood KD-500/550 is far more common, and so I’ve written an article about servicing their direct-drive motors, for anyone who can’t get their deck into me for

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