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RADIO KITS IN JA
Dec 02, 2023
In Tube Radios
"one tube radio with loudspeaker" made from printed circuit board.
Reflex + Regeneration, as is 1-V-2.
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RADIO KITS IN JA
Jan 07, 2023
In Tube Radios
using twin 12au7, we can do like this. Origin schematics JF1OZL shows us . That is 1992 years , just 30years ago. Sure doing well as JF1OZL says. 1.5uV ssg signal, We can hear.
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RADIO KITS IN JA
Nov 21, 2022
In Other Electronic Projects
dc 12.6v. 12au7+buffer+ booster. out put max 250mW
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RADIO KITS IN JA
Nov 21, 2022
In Other Electronic Projects
Just made up new wireless mic for middle wave radio listener.
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RADIO KITS IN JA
Oct 28, 2022
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RADIO KITS IN JA
Sep 23, 2022
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RADIO KITS IN JA
Sep 10, 2022
In Other Electronic Projects
Had made headphone amp. need 3V. output max 40mW.
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RADIO KITS IN JA
Aug 26, 2022
In Tube Radios
made this tube radio.
6WC5, 6D6,6D6, 6Z-DH3A, UZ-42 and 6BR5.
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RADIO KITS IN JA
Aug 20, 2022
In Tube Radios
designed 10 years ago, have made p.c.b here. and doing test.
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RADIO KITS IN JA
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