Denverfred if you put a piece of shungite on the caps of the S.G. or a piece of quartz, you will feel that the audible effect would be more compressed with the shungite and with more air and refine highs with the quartz, this experiment eliminate the subjective placebo feeling or the physiological only effect....
Shungite will always compress the sound relatively to quartz and quartz will always put some air relatively to shungite or tourmaline will decompress the sound but not like quartz, in his own distinctive way anywhere you will put it anyway... The relative compression or the decompression are not always negative or positive in itself.... The negative or positive effect will be relative to the state of your audio system in your house and room....Then it is very important to balance one effect with another to compensate for a negative direction by one or the other.... Listening experiments dictate to me the way.... It is very simple anyway even if it appear complicate, it is not at all.... Ears will guide you without any irreversible error....
My "golden plate" are made with a shungite plate+copper tape on external side .... I put a small shungite plate+ copper tape on the S.G. caps with an herkimer diamond ( powerful kind of quartz) precisely to BALANCE these 2 effects one with another for a more naturalness of the timbre.....Sometimes i use tourmaline instead of Herkimer....
My grid of eleven S.G. is linked by cable to my resonators grids....This is my main ACTIVE but non computerized acoustical controls....The effects are not small with these 2 grids.... They completely transform the room acoustic....More than only refective, absorbent materials or diffusive passive devices....That i use also for sure....
Acoustic of small room is more than meet the eyes....😊
In history acoustical creation of listening hall is very old......Greek theater for example, or medieval monastery....But for small audio room the rules are a bit more complex, especially with a varied content and with an irregular topology and irregular geometry....
My best to you....
Shungite will always compress the sound relatively to quartz and quartz will always put some air relatively to shungite or tourmaline will decompress the sound but not like quartz, in his own distinctive way anywhere you will put it anyway... The relative compression or the decompression are not always negative or positive in itself.... The negative or positive effect will be relative to the state of your audio system in your house and room....Then it is very important to balance one effect with another to compensate for a negative direction by one or the other.... Listening experiments dictate to me the way.... It is very simple anyway even if it appear complicate, it is not at all.... Ears will guide you without any irreversible error....
My "golden plate" are made with a shungite plate+copper tape on external side .... I put a small shungite plate+ copper tape on the S.G. caps with an herkimer diamond ( powerful kind of quartz) precisely to BALANCE these 2 effects one with another for a more naturalness of the timbre.....Sometimes i use tourmaline instead of Herkimer....
My grid of eleven S.G. is linked by cable to my resonators grids....This is my main ACTIVE but non computerized acoustical controls....The effects are not small with these 2 grids.... They completely transform the room acoustic....More than only refective, absorbent materials or diffusive passive devices....That i use also for sure....
Acoustic of small room is more than meet the eyes....😊
In history acoustical creation of listening hall is very old......Greek theater for example, or medieval monastery....But for small audio room the rules are a bit more complex, especially with a varied content and with an irregular topology and irregular geometry....
My best to you....