Uploaded January 2025 | Updated September 2026, 1 week ago

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Fixing and restoring a vacuum tube signal tracing instrument - Tesla BS367. It's a 3 in 1 diagnostic tool: A signal tracer (a very sensitive vacuum tube audio amplifier with an optional diode detector for AM demodulation), a 1kHz test signal generator and a continuity tester with a tungsten lamp and a neon lamp.

The FNIRSI multimeter:
fnirsi.com/products/dmt-99?sca_ref=9216013.ntkg5GeG0R&utm_source=af&utm_medium=ref&utm_campaign=9216013

The DPOX180H oscilloscope:
fnirsi.com/products/dpox180h?sca_ref=9216013.ntkg5GeG0R&utm_source=af&utm_medium=ref&utm_campaign=9216013

Tesla BS367 on my website:
danyk.cz/bs367_en.html

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patreon.com/DiodeGoneWild

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instagram.com/savage_danyk