Lacora L-40: Repair and 230V conversion
The Lacora L-40 radio was a relatively popular low-cost model in 1950s Spain. Thanks to its small, compact size, light weight, and relatively low price, many units were sold. Lacora…
Circuits, hardware, and classical computing.
The Lacora L-40 radio was a relatively popular low-cost model in 1950s Spain. Thanks to its small, compact size, light weight, and relatively low price, many units were sold. Lacora…
After the successful repair of the Vieta A-225, I’ve come across a slightly older model, the Vieta A-215. It’s a relatively rare model but very similar in circuitry to the…
Vieta is an audio equipment brand created in Barcelona in 1954 by the Vieta brothers, becoming one of Spain’s leading high-fidelity audio manufacturers in Spain at the time. It still…
Once again, another Optimus amplifier has fallen into my hands, and this one will be the first I actually own, since unlike other Optimus models, this one was given to…
Once I had tested the tubes (and while waiting to get new ones to replace those that were completely dead, as I showed in the first part), I went ahead…
Continuing with the restoration of the television, the first step I take is to check some of its valves using the μTracer3+: EF183 valve: As can be seen in the…
This TV came into my hands through a local online ad — I saw it at a good price and immediately thought it had to be mine. A valve (tube)…
This interesting amplifier was brought to me for general maintenance and a few modifications. Its owner wanted to convert the amplifier for use with guitar and bass, aiming to modify…
This interesting radio was given to me for repair by a teacher. She explained that it had belonged to her grandfather, and when it broke down, her mother tried to…
This small radio was brought to me for repair as a birthday gift for a friend’s parents — he wanted to give them the radio in working condition. At first…