May 30, 2024 · The schematics is the original Hiraga as in the first picture of the pdf. All the details of the other versions are fully described in the article. Anyone can easily follow and …

May 30, 2024 · Hiraga stated the importance of fast current-delivery capability. And most regulators are known to become inductive at high frequencies. So perhaps a capacitor …

Aug 24, 2002 · For Hiraga, 20..25Volts each rail are good, for "Le Monstre", about 12..14 volts. As the Hiraga and the monster only idle currents in the one amp region, at least for the monster …

Mar 13, 2004 · Jean Hiraga designed a riaa stage based on ECC83 tubes with passive riaa correction between gain stages, not battery operated of course. He designed a MC step-up …

Feb 24, 2018 · I'm from Brazil and would like to built a Hiraga Le Montre 8W also, and will be very happy if you can show you finished project pictures. Also, how about the sound? Estimado …

Jul 6, 2001 · Check his Hiraga page, the schematic is a little different again, he implies he copied the schematic from an original unit purchased second hand. He also thinks its single ended …

Apr 25, 2012 · The Hiraga 20/30W Class A amps using the orginal transistors are still very fine sounding amps. I would not recommend to change the transistor types as long as it is not …

Apr 16, 2017 · Hi again. So today I finished both boards from Jim's audio, I hooked one up to 27 volt, and they work nicely, but, bias is a bit low, I measured 200 mili volt across ballast …

Aug 24, 2002 · I did build Hiraga 20 W and Monstre versions for several occasions. As well do I have one original manufactured 20 Watter for almost 15 years now. The 20/30 Watter to my …

Jan 5, 2023 · Jean Hiraga was the author of several books such as: Les Loudspeakers, (Loudspeakers, 1980, three times re-edited, 5 times reprinted); Initiation aux amplis à tubes …