Here are some recent audio-related items that caught my eye: Build a Laser Microphone: Here's an interesting project offered to those DIYers who want to “eavesdrop on conversations across the street.” ...

Conventional wisdom has it that the solid state era in electronics began in 1948 with the invention of the transistor, or if you wish to split hairs, with the 1930s invention by the Russian [Oleg ...

We may receive a commission on purchases made from links. High-end microphones are wildly expensive. As of this writing, there are used U47s on Reverb for over $20,000. But parts are affordable if you ...

[lgbsneak] found a good source of pre-amps to fill his needs. Some older receivers, like his old Kenwood KA-305 have modular pre-amps. So it’s just a matter of ripping out, powering it up and tossing ...