Marantz SM-80 Amplifier Repair & Restoration
In this second article on the Marantz SC-80 and SM-80, we look at the SM-80 power amplifier and a tricky […]
LM3886 Gainclone Chip-Amp Project Build
In this article, I discuss the history of the LM3886/chip-amp/gaincard and run through building my own dual-mono LM3886 gainclone amplifier.
Luxman M-4000A Amplifier Repair & Restoration
I recently restored this gorgeous Luxman M-4000A power amplifier and matching C-5000A preamplifier. Let’s start with the beautiful M-4000A. Apparently,
Musical Fidelity X-CAN V3 Headphone Amplifier Upgrades
I recently modified a Musical Fidelity X-CAN V3 headphone amplifier. My goal was to see what sort of improvements I
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LM4780 Gainclone Chip-Amp Project
After successfully building my LM3886-based gainclone project amplifier, I’ve decided to build a version better suited to driving low-impedance loads.
Krell KSA-150 Class A Amplifier Service
One of my recent jobs was inspecting and servicing a lovely example of a Krell KSA-150 Class A Power Amplifier.
Krell KSA-150 Amplifier Repair & Restoration
This video documents my overhaul and restoration of a gorgeous Krell KSA-150 class A power amplifier. This wonderful KSA-150 developed
The Redgum RGi120 Amplifier – Australian Quality?
Redgum is an Australian brand I wanted to be able to write great things about when I repaired and serviced
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The Sansui Corrosive Glue Problem
The Sansui corrosive glue problem affects many vintage amplifiers and other equipment. Resolving the issues caused by this glue can
Sansui AU-717 Amplifier Repair & Restoration
I recently restored a gorgeous Sansui AU-717 integrated amplifier in need of some serious TLC. Let’s take a look at
The Beautiful Kenwood L-1000 Series
I was recently asked by a customer to service and repair two of his gorgeous Kenwood L-1000 series components. In