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Miracles in Audio, by luck, by good choices,by design or by tweaking...

I owned a low cost headphone for many years, the Fostex TH7B, first version( a new one close version exist Fostex TH7BK), semi-open headphone...I was never completely satisfied by any headphones I ever owned: Hifiman 400, Stax basic lamda, Stax 5 gold,Akg 340,Akg 701, beyerdynamic 990, and T150... Because in each of them with all their qualities I never listen to at the same times, a confortable headphone with natural timbre and voicing, with a good imaging and a realistic soundstage(not too close to my ears)...


For the last days I tweaked this Fostex, to damp his internal resonance I used sorbothane, I put some shungite stones at the exterior part of the cups and I use some Herkimer diamond in the interior pads( 3 at 120 degree) … Now this low cost headphones crush all my others if I sum all his qualities... For example his mids and voicing cannot beat the AKG 340 but among all my other headphones it is the best that is near that mids and it is more confortable, and with longer cable than the 340...His imaging is better and more realistic than the 340 etc etc...It is the same if I compare with the others...


His most important qualities is natural timbre and clear imaging,very precise pinned point accuracy and natural, so clear it crush for that ALL the others to dust...In the French audio circle the reviews were more than very positive few years ago...Diapason d’or and choc Classica...I am not the only one impressed buy the ratio quality/price... But remember that thesae reviewers dont tweak their headphone...The difference between before and after the tweaks are staggering...


Yes Miracles happens in Audio: cost is under 100 American dollars... Few years ago they cost me 50 bucks new... I never dreamed that I will go back to headphones...


I will enjoy your miracles stories of any kind ….My best to all...
128x128mahgister
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mahgister OP
13,138 posts
 
UPDATE for the 3/8 inch brass cap cones

I recuperate some Herkimer diamonds (2) and 4 sticks of quartz to replace 6 of the 10 tourmaline chunks in the center of the cones for a better clarity.... Success.... :)
mahgister's avatar
mahgister OP
13,138 posts
 
My dear friends, trying to improve the clarity, I just create a new powerful tweak "the crystal cannon"....

I take a big brass cone cap 3/8 inch and glued in it a stick of lemurian quartz 1 1/2 inch... I add these 4 to the horizontal "grid of bells cones" and to the vertical one, 2 "crystals cannons" on each grids...

Dynamic increase and clarity....

Heaven is with me indeed....I will add photos probably tomorrow in my "virtual system" page....

:)

If you think that I am a fool, think about that: who is fool, the one who bought a 10,000 dollars dac or amplifier, or me, with a few bucks tweak that has the impactful power of an upgrade?

I will leave the answer with you.....

I really feel that I can now solve the acoustical problem of my room using many convergent active solutions and not only passive materials on the walls or in the corners....

My best....
mahgister's avatar
mahgister OP
13,138 posts
 
UPDATE about the "Crystal Cannons"

After 2 hours without interruption of the Jordi Savall viol, playing the marvellous Sainte Colombe music, I am amazed by all the details and dynamic that the C.C. (crystals cannons) added to the acoustical field of the room....


All solutions to acoustic controls are way more simple than people think....


Dare to experiment and have fun.... No need for any money....
mahgister's avatar
mahgister OP
13,138 posts
 
It is amazing how good a very well designed dac is for retrieving and translating details to a good amplifier, and how good is a good one for transmiting that information to the speakers...How good, good speakers are is also surprizing....

I can say that because in my own experience , my dac and amplifier and speakers has amazed me totally in the last weeks...

Why?


Because when I bought them, these 3 actual components few years ago, I was not so flabbergasted by them like today....The reason is simple, without the controls of their 3 embeddings these 3 E.C. worked way under their own potentials....


All these last acoustical active tweaks controls propelled them to an another level....

The acoustician know much more about Hi-Fi S.Q. than the electronical engineer indeed....This is my motto.....

Your ears then know much more than a measuring device....

But only a fool will put aside the experience of the electronic engineer for sure…. But in life there exist priorities....That is my point....


Acoustics of the room is the most important feature of an audio system, especially not only the passive controlling ways, but mostly the much less known active controlling ways....





mahgister's avatar
mahgister OP
13,138 posts
 
UPDATE: 10 new brass cap cone 3/8 inch distributed in horizontal and a vertical grid of bells cones...

I replace all tourmaline stones center with Herkimer diamonds... They are more powerful for clarity....

The red tourmaline push "heavy meat around the bones", but the H.D. gives me more clarity in the higher spectrum... each stones can be used with success relatively to your room and particular audio system....


In general Herkimer diamond even the micro and nano one are very powerful stones.... The most powerful with the shungite and very complementary...
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