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
UPDATE: "connected cones bells grids"


The increased details made me connecting them all with the copper tape....The clarity increase....


No explanation comes to my mind.... A sound wave affected by connected brass cones? Why?


Never mind physics !.....Viva music! .... But if someone has the beginning of an idea he is welcome …. :)


I will repeat the only idea I have and this is a metaphor :

These connected "grids of cones bells"
work like some beacons on the flowing waves resulting from the interaction of the direct sound from the speakers and the refracted sound coming from the walls, and give to the ears some set of fixed points to make easier his Fourier analysis of the sound …



One thing is evident: All instruments are way more distinctive in the Bach brandebourgeois concertos....And it is not my first listening session with this file to say the least....

UPDATE: "connected cones bells grids"

I added my computer screen with his 2 grids of cones bells on each side to the connected series of grids in my room....

Same upgrading clarity effect....

WOW !

The mystery is astonishing indeed... Why thin copper tape around cones bells can produce this powerful clarification of the imaging in the first place? Particularly spectacular in nearfield listening but also in regular position...


This event is a surprize at the moment I was thinking that my audio experiments journey was ending..... :)



Dear reader remember this: the acoustical embeddings is the most important fact in audio.....Most of us dont know that...

The proof is simple.... For example, I know very well that some cables sound very different with one another....But the difference is minute compared to any changing controls in the 3 embeddings.... I then conclude with all these discussions about cables that people dont know much in Audio improvement at all because their fixation in favor or against  changing cables is an indication of their own limitations....The rightful embeddings exceed any changes of cables, or often even of gear....And the acoustical embeddings is so powerful that it is only on par with the exchange of a low piece of gear  to a very refine one....Nothing less....
An important note about my last experiments:

The reader must remember that my audio system is very sensible to changes because it is already heavily and rightfully embedded to some degree... Then the audible effects I described will vary from one audio system to another.... But the reader must begins by the simplest embeddings: the mechanical resonance controls.... After that he can try the electrical house controls embeddings step by step and the acoustical one....

The acoustical embeddings is the more complex for me, because there is a passive way, the classical way to use materials to absorb or reflect the sound, but the active way are more powerful( Helmholtz bottles, modified Schumann Generators, various resonators, bell of bells, grid of connected bell cones of different size, stones and crystals) and also necessary to transform ANY room....For the electrical embeddings controls I use mostly stones and crystals and my 30 marvellous "golden plate" around all electrical utility, be it a router, a wall plug, or a conditioner, the computer, the phone box, the electrical panels etc....
Updates: "cones bells connected grids"...


The last tweak is the connection with thin copper tape of the 2 series of 9 cones bells (9 with 3 Herkimer diamond inside) each side of my computer screen that is exactly between my speakers (2 inches in front of them)...The connection make the cones bells more powerful in clarity S.Q. in regular distance and in nearfield more immersive....


The same effects were audible with the 11 vertical connected cone bells horizontally aligned on the wall a few feets over my left speakers, and with the 13 connected cones bells vertically aligned a few inches near the right speaker on the wall adjacent....Herkimer diamond inside 1/3 of them and in some case red tourmaline under the H.D.


I had another grids at my right on the shelves of some furniture and on the wall behind me.... But these grids instantiate a lesser audible effects....


This cones bells connected grids on par with the 10 Schumann generator and with the 20 Helmholtz bottles to ACTIVELY modify the acoustics and even better than my 50 cheap resonators...But remember that any upgrading effects of my controls tweaks are cumulative....If someone try something in a nude dead room the effect can be less powerful, because ALL my audio grid is now very able to communicate any slight modification... My 3 embeddings were already advanced in modification controls already in my room before the connected cones bells grids...But the connected cones bells are so astonishing I must use superlatives....


Most people think that for changing acoustic we must buy costly PASSIVE materials.... This is half truth, especially in small non- symmetrical room.... In this kind of room ACTIVE controls methods are mandatory....Buy nothing, think before, and use low cost materials and first and foremost your EARS.....Your ears will teach you, trust them, nobody else....
Adding new stones


Over the Sansui AU 7700 Amplifier transformer I already have many stones: tourmaline pieces, amethysts, agate... I put a very little "golden plate" (because a bigger one can kill the sound then beware) and with it I added 150 micro Herkimer diamonds.... That gives me more depth in the imaging and a better natural timbre.... :)

Herkimer diamonds and shungite in the "golden plate" are the most useful stones for audio, over tourmaline, agate, quartz, and all others I used too...