fonar ltd.

Fonar Ltd.

Contact

Fonar Ltd. has two divisions: one in Warsaw and second in Sulęcin.

Welcome to Fonar. Our internet service is optimized to be processed by Internet Explorer.
We hope you enjoy your visit.

Acknowledgements

We would like to thank everybody who contributes in the development of our service. Detailed list of persons can be found in the separate section.

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Schematic diagrams and more!!!

TUBE AUDIO & OLD RADIO

Internet Shop

We sell vacuum tubes, electronic and mechanical components.

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Free Advertisements

Do you have any problem? Visit and use our free advertisements section.

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Gallery

Gallery of old and new tube instruments and devices. Do you have any interesting photos? Present them on our site.

NEW item in the Gallery - Karolinka WW-GE-56

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Software Tools

Java scripts and aplets dedicated to tube audio technology (and not only).

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Do It Yourself

The title of the section is self explanatory.

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Advices

Advices and practical information helpful for everybody who deals with tube constructions.
Current no. of advices: 27.
Last modified: 27.08.2010r.

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Quotations

Interesting quotations from the past. Sometimes they are very funny.

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Latest News

Article Application of radio and tv transformers in low power guitar amplifiers,
How to restore emission of ECH21 and UCH21 tubes, Radioamator 2/1959.
Article: Capacitors, types and color codes

Discussion Board

dedicated to electron tubes, tube instruments and tube technology.

Schematic database
Over 1300 schematic diagrams. Keyword searching capability.

Gallery
presented by the members of Tube Discussion Board.

Laboratory
Alek Zawada presents home made electron tubes.

Guitar amplifier "Snake-Re"

Push-Pull Tube Amplifier
"Concertino"

Detailed description of the guitar tube preamplifier.

Description of building SE Power Amplifier.

Guitar tube amplifier "Dual Evil" described by Artur Żurawski

Detailed description of Push Pull tube amplifier.

"The very first broadcasting station started its operation in Pittsburg (USA) on 2.11.1920. First in Europe made itself heard in Moscow. It took place on 22.03.1922. Before first broadcasting station was activated in Poland (Warsaw, 18.04.1926) in Europe broadcasting had been introduced in 17 countries". We hope that this short quotation will encourage everybody to visit History section in which we present interesting study Broadcasting in Poland - calendar by Wojciech Pysz.

Schematic diagrams

Schematics and service data of tube and old transistor instruments (amplifiers, radios, tv sets, tape recorders, turntables etc)
Current no. of schematics: 524
Last modified: 12.09.2009.

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Magazines

One of the most important sources of information are magazines. In this section you can find description of such magazines in the form of catalogue cards.
Current no. of magazines: 952.
Last modified: 1.10.2005

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Books

Current no. of books: 640.
Last modified: 23.08.2010

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Articles

Current no. of articles: 116.
Last modified: 29.01.2007

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Catalogue

Catalogue of old devices.
Last modified: 20.07.2010r.

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History

Some history of radio and tube technology.
We recommend very interesting study - Broadcasting in Poland - calendar.