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HAROLD - Retro Style Amplifier

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Jacek "Jado" Domański (e-mail : )

The idea to make a small tube amplifier for home use walked with me for a long time. In the absence of spare time I moved the start of a work date indefinitely, but in the end it was "the happy moment" that I could begin construction work. One of the main goals of the project, was to build an amplifier using owned materials and components and bargain shopping - in other words to bulid an amplifier at minimal cost, but with a significant contribution of my own "labor". Another assumption was, that the amplifier can not be a high energy consumption device - so that the moderate daily use does not cause excessive burden on the household budget. So it had to be something simple ...

Guitar Amplifier Soldano SLO-100

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Damian "Ghost" Smółka

Welcome. In this article I would like to present the equipment I recently had the pleasure to commit - Soldano SLO-100. This is my fourth vacuum tube project I have done so far. I think it's the best hardware I build with my soldering iron.

Cary Audio SLI-80 Signature

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Grzegorz 'gsmok' Makarewicz

Stereo tube amplifier producedCary Audio Design company. This is not only an US amplifier, but unlike many of such products is not assembled in China, but in the United States of America. A real shock.

Cary Audio CAD-805

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Grzegorz "gsmok" Makarewicz, This email address is being protected from spambots. You need JavaScript enabled to view it.
(updated 12.10.2017r.)

Interesting tube monoblocks combine a rational approach from the technical point of view with some audiophile's "bells and whistles". The amplifier (produced by American company Cary Audio Design) that came to my hands probably comes from the early stages of production. I do not know when the first copies appeared - probably around 1994, because at that time Stereophile magazine (01/1994) published a detailed review and measurement results.

Burdjak Area-41

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Grzegorz 'gsmok' Makarewicz

I present photographic documentation of tube amplifier Burdjak Area-41. This is a stereo amplifier based on 6S41S (6C41C) triodes working in non-symmetric configuration (SE). The 6S41S power tubes are relatively rare in commercial applications. The situation is different in DIY amplifiers where 6S41S triodes, being anemic cousins of more powerfull 6S33S tubes are often used. The Burdjak Area-41 amplifier provides a really enjoyable listening experience - it is of course only my subjective opinion.

Broadcast tube amplifier WR40 - "Ampli 40"

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Andrzej Żółtowski „ZoltAn”, Gliwice, This email address is being protected from spambots. You need JavaScript enabled to view it.

A tube amplifier mass-produced since the second half of the 50's of the 20th century. Manufactured by the State Teletransmission Company in Warsaw. WR40 "Ampli 40" tube amplifier was a portable device designed to create small broadcasting networks and to serve as audio amplifier for mass event organized in large rooms such as sports halls, school auditoriums, and events held in the open air.

Bridge tube amplifier ARG 6S33S

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Grzegorz "gsmok" Makarewicz, This email address is being protected from spambots. You need JavaScript enabled to view it.

The amplifier belongs to the group of devices produced in such a small number of copies that it's creator is hardly called a manufacturer. The amplifier does not have any notes or signs and to find information about the person who built it is almost impossible. It turns out that it is the product of (a term a bit exaggerated) manufacturer named ARG. The ARG "company" it is probably one person, Mr. Eugene Kremiński from Lviv. I have not found any corporate website or the official list of ARG products. The only source of information are online "notes" of a few users, or friends of the amplifier's builder. I decided to put the amplifier in the gallery because of its quite unique schematic configuration. It is a circlotron .

Balanced Monoblocks BAT VK-150SE

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Grzegorz "gsmok" Makarewicz, This email address is being protected from spambots. You need JavaScript enabled to view it.

BAT VK-150S is a powerful tube monoblock offering considerable output power of 150W/4Ω. Let no one be fooled by the "SE" symbol in the amplifier name. It is not Single Ended circuit configuration but only a special version of the device (Special Edition). Unfortunately, I do not know the details that distinguish ordinary amplifier versions of the SE version. Based on expert mentions in the press, the details are very important but supposedly secret .

Ayon Orion - integrated amplifier (2)

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Grzegorz "gsmok" Makarewicz, This email address is being protected from spambots. You need JavaScript enabled to view it.

Although the Ayon Orion tube amplifier is already presented in the TRIODA Web Gallery, but because of the fact that I had the opportunity to see the interior of the same amplifier, but of very different interior, I decided to share a set of photos with other details of this interesting device.

Audio Research Classic 60 GB

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Grzegorz "gsmok" Makarewicz, This email address is being protected from spambots. You need JavaScript enabled to view it.

In my private beauty contest of tube amplifiers that have come into my hands, for years the first place take tube amplifiers produced by Radford (especially the STA-25). Amplifiers with lower ratings are separated from Radford by greatl gap. That was until my personal encounter with Classic 60 amplifier, produced by Audio Research. Although compared to "Radford", "Quad" and other old tube amplifiers it is a real lad (construction was established in 1989), its appearance aroused in me a shiver of excitement. No doubt - second place in the ranking .