The ax-Amp: a 60W RMS class A Current Feedback Amplifier

Part 1 of the ax-Amplifier was published in the April issue of audioXpress (out on 15th March), with Part 2 to follow in the May issue, out mid-April. You can order copies of audioXpress here audioXpress Magazine Subscription – CC-Webshop The ax-Amp is a topologically simple 60 W RMS per channel class A current feedback […]

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Spin 2 of the nx2-Amplifier PCB . . .

In the last update on Feb 1st, I had just received the PCB back from the PCB house. Since this was my first design on KiCAD, I wasn’t expecting much, so it was as much a learning exercise as it was a first PCB spin. Well, half the silk screen was missing, some of the […]

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The X-Altra Mini II ‘BB’ Line Preamplifier is off for first PCB spin!

4th April 2024 Update. The PCB has arrived back from the PCB house, so I will begin assembling the proto later today! The board is very compact (good for low noise) and as mentioned previously, incorporates all the functionality of the earlier X-Altra Mini II. March 31st 2024 update. Well, the board layout is complete […]

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