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- Written by: Grzegorz Makarewicz
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A website dedicated to various topics that interest me. Retro electronics – primarily devices using vacuum tubes, forgotten old corners of Warsaw, playing with artificial intelligence, and other topics that strike my fancy at the moment.
I'm also trying to recreate the device descriptions I once posted on the now-defunct FonAr and Trioda website. These descriptions are not only mine but also those of my friends, primarily from the Trioda Forum. To enhance the site's content, I've included illustrations in various sections that I found in old books, usually from the 1950s, on topics broadly related to radio engineering (these are books or excerpts from books from defunct publishers, often without identifying the authors).

Where possible, I add information about the author to the drawing.
Control panel 100Bis (PS1) - supplement
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- Written by: Grzegorz Makarewicz
- Category: Gallery
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An additional set of photos of the PS1 console described in the article from back in the day.
Prepared by Grzegorz 'gsmok' Makarewicz
A set of photos I took in May 2026 before handing over the preamplifier to its new owner. I'm posting the photos in two sets. The first, smaller set contains several photos briefly showing the entire preamplifier (well, the control panel) from the outside and inside.

In the second, much more extensive set, I've included photos roughly in the order I took them. There are many photos detailing the assembly of the electronic components. Perhaps they'll be useful to someone who has this preamplifier, perhaps in a disassembled state, and the photos will be helpful in restoring it.
Regent 60 tube amplifier - supplement
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- Written by: Grzegorz Makarewicz
- Category: Gallery
- Hits: 81

An additional set of photos of the amplifier described in the article from the FonAr archives.
Opracowanie Grzegorz 'gsmok' Makarewicz
A set of photos I took in April 2026, just before handing the amplifier over to a new collector. This means it's been sitting on my shelf for over 20 years since I last described it. I'm posting the photos in the order I took them. Perhaps they'll be useful to someone who has this amplifier, perhaps in a disassembled state, and will be helpful in restoring it.

Karolinka-3 WW GE-602 turntable
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- Written by: Grzegorz Makarewicz
- Category: Gallery
- Hits: 123

Grzegorz 'gsmok' Makarewicz
I took the photos with my cell phone, hence the quality. In other words, the quality is, as usual (I don't want to brag, but I have to) quite good.
A cool, vintage turntable with a vacuum tube amplifier. Before taking photos, I checked its dimensions and weight. This was essential, considering I had to rotate this gem in all directions while taking the photos. It turns out it measures 365x335x165mm. Quite large. And the weight? Well, it showed 6.3kg on the bathroom scale. You could say it's quite a hefty package.

I'll start with a few photos of the turntable in its closed case. When placed horizontally on its four stable feet, you'll see the bright speaker cover on top.
Burdjak Area-41 Amplifier
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- Written by: Grzegorz Makarewicz
- Category: Tube equipment
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Grzegorz 'gsmok' Makarewicz - 2013 (last update 04/06/2025)
Attention: Gallery for Patient Visitors - over a hundred photos!!!
I present photographic documentation of the Burdjak Area-41 tube amplifier. This is a stereo amplifier made on 6S41S (6C41C) triodes operating in an asymmetric (SE) configuration. The power tubes used are relatively rarely found in designs available on the market. The situation is different with DIY amplifiers. In this group, 6S41S tubes, which are the anemic cousin of the 6S33S tube, are more often used. In the Area-41 amplifier, they provide a really pleasant listening experience - this is of course only my subjective opinion.

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