Any suggestion for modification of Hiraga Preamplifier Le preamplificateur Kaneda

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#43
Hello
Sure there have been some publications about preamps and poweramps having the Kaneda name in France some years back.
Did not pay as much attention compared to the days when the " original Kaneda " designs were published by Hiraga in France.
If i remember well it was not that easy to collect all the parts.
Greetings, Eduard
 
#44
 
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#45
Out of curiosity, I built the No.168 line amp mentioned above to see how it performs.
And it exceeds my expectations. 🙂


Patrick

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#46
Hello,
I can read French pretty well.
The problem with the shop in Paris was they would never have all the items you needed to finish one of your future devices. Back then no www so it would be pretty hard to find parts elsewhere. They knew that too so it never improved.
The times i bought parts in Japan it always went very smoothly
Greetings,Eduard
P.s i got mail from the original poster that he is waiting for order confirmation for the Lundahl chokes to be used in a choke input supply
 
#47
Hello,
We dont see any updates from the original poster.
Of course to keep new ideas being shared he should share further developments. New posts with new info being shared will stimulate more members to share their ideas .
Back then it was considered a very nice design. Of course now you can use ideas found here for your own gear. Not to many people still using the original one.
The new one, with recently produced transistors can also be changed into a choke input.
Greetings, Eduard
P.s The latest Kaneda can be bought on Ebay? Right now don't have access to all my info haha
 
#48
Hello,
I just did a tiny "research " on French sites.
There is a Kaneda preamp with a phonostage designed for the most used cartridge in Japan probably , Denon 103.
These are serious audiophiles. The designer decided to put the first transistors of the preamp where it should be, in the headshell right after the cartridge.
The preferred tonearms for the 103 are the heavy ones so the weight of the transistors wont be a problem.
I am not sure if this Kaneda designer is the same Kaneda who designed the DC1 in the eighties. Must be in his eighties right now maybe it is his grandson.
There are quiet a few audiophiles in France still busy with Kaneda. I can read French but 90 % of the members here probably not and google translate is pretty useless i think and most audiophiles will be offended by prices asked for serious diy in Japan. But they are at a different level.
Time to leave.
Greetings Eduard
 
#49
There is only one Kaneda for DIY audio in Japan.
The full name in Japanese is 金田明彦.

The reason why his work is (only) followed keenly in France, outside Japan, is because of Jean Hiraga publishing his work in French.
If I am not wrong, he has Japanese heritage, and has made multiple trips there.
http://dcamp.biz/?p=597

But these days, Google translate is so good, that it is no problem understanding Japanese websites.
One can first start with translating, e.g., "Kaneda Amplifier" to Japanese.
Copy that translation, and use that to search.
If you have switched on automatic translation, once you click on a site, it will come up translated already.
There is absolutely no technical reason that his work cannot be followed.
More because he is not famous in the English speaking world.

It is also true that his double LTP topology has not changed fundamentally in decades.
But then you can also cook Christmas turkey with umpteen different recipes.
The devil is in the details. 🤓


Patrick
 
#51
Hello,
Right now i use google translate for Vietnamese to English and vice versa and it goes wrong quiet a lot. Of course another language combination could get better results . Probably if it is used a lot results will be more accurate. Of course if you are not used to reading chances pretty big that you think it is a good translation. The ones to judge should be fluent in both languages.
So right now it should be a piece of cake to order parts on a Japanese website instead of alibaba.
Greetings, Eduard
 
#55
For a long time I have been interested in building some of Kaneda's circuits. It is not easy, unless travelling to Japan or having a friend there, specially if building true to the tradition. Lots of attention to details and parts, not to speak of the hard to find matched transistors.

Patrick, is the No 168 the only circuit you have tried? Have you, by chance, tried the (IVC or not) active crossovers?
 
#58
Patrick, thank you for the link, nice to see those JFET buffer crossovers, I would very much like to try them.

As for Kaneda, I am particularly interested in his more recent amplifiers, all of which are IVC. The ones using the 6P1 are very well spoken of.

As you know, his amplifiers are mostly conceived for multiamp systems. This is how I would like to use them and that is why the active crossover is so relevant. His latest one is (I believe) the 219, conceived for IVC devices, only 6 dB/oct. Link
 
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