lechaudio
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Posted inspeaker hardware
Speaker musings
Alpair 5 computer speakers My latest speakers are intended as a gift: small desktop speakers with an internal volume of about 2L, each. The boxes walls are mostly made of 10mm birch plywood, except for the front, which has an…
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Mixed-mode amplifier sketch
Behold… “Hbtaudio” on DIYAudio reminded me that a sketch is worth more than a 1000…
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Current Drive – update
Analysis Paralysis to the max is where we are at! Quickly jotting down a list…
Choosing speakers based on datasheet parameters
It’s not always possible or convenient (or quick, or cheap) to go through a robust…
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MOSFET headphone amplifier
The last few months have been busy with a crazy (crazy? Let’s say different, experimental) headphone amplifier design. The following is a single ended Class-A MOSFET headphone amplifier, featuring: current drive, minimal feedback, single supply, DC servo, virtual ground, and…
Posted inaudio electronics
Active filter modules, update
These little guys just came in the other week, and I’ve been listening and playing…
Posted inaudio electronics
Active Filter Project
I’ve been working on an active filter design and it’s just about ready to go.…
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My take on the Dayton PS95-8 speaker
Construction: The box is based on coffee bean barrels that I got from Lidl. The…
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On damping factor
One thing that has been on my mind lately, is the interaction between a speaker…