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GU-50 Linear Power amplifier - Ham-amplifiers
https://ham-amplifiers.com/en/gu-50-power-amplifier
Description Comments This amplifier build on four GU-50 (soviet) lamps https://en.wikipedia.org/wiki/GU-50. Input driver build on GU-72 lamp. Input power from 20 to 30 Watt Output power up to 1200 Watts Frequency band from 1.8 MHz up to 28 MHz
GU-50 - Wikipedia
https://en.wikipedia.org/wiki/GU-50
The GU-50 (Russian: ГУ-50) is a power pentode vacuum tube intended for 50 watt operation as a linear RF amplifier on frequencies up to 120 MHz.
Linear Amplifier with GU50 450W (ГУ-50) 27-28 MHz | TUBES ...
http://www.tubes.rs/linear-amplifier-gu50-450w-%d0%b3%d1%83-50-27-28-mhz/
Linear Amplifier with GU50 450W (ГУ-50) 27-28 MHz. This amplifier is based on schematic of famous Zetagi BV131, but instead EL519 6KG6 which is very expensive today I’ve used Russian military tube GU 50, which is actually copy of famous Telefunken Wehrmacht LS50, and the main reason I used it is because I found few complete Russian military ...
HAM Radio tubes → GU-50 / GU50 / LS-50 ... - Tubes-Store.com
https://tubes-store.com/product_info.php?products_id=82
GU-50 is a power pentode vacuum tube intended for 50 Watt operation as a linear RF amplifier on frequencies up to 120 MHz. The tubes is commonly used in Hi-Fi audio amps, both in single-ended and push-pull modes. The GU-50 is a direct equivalent to Telefunken LS-50 power tube. We also recommend: 8 pin metal-ceramic socket GU-50 / GU50 / LS-50 ...
DIY Audio Projects Forum • GU 50 Amp
https://diyaudioprojects.com/Forum/viewtopic.php?t=6195
Some of my DIY Tube Amplifier Projects: PoddWatt: 5751 / EL84 Push-Pull DIY Tube Amplifier Project. OddBlocks: KT88 Push-Pull DIY Tube Amplifiers (Mono Blocks) ForeWatt: ECC802S (12AU7 / ECC82) DIY Tube Preamplifier Project. GrooveWatt: Tube (Valve) RIAA Phono Preamplifier Project. Top.
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