Reasonable type SG-4 series HR quartz & size-up, introducing a price freeze.
And 新化 HR quartz quartz insulator SG-4 series 10000 Yen hung up. HR quartz and quartz usually different large energy balance, ultra low range from overtone very high up to no distortion inherent in flat balance audio became the ideal material.
Also height 10 mm and Φ 12 and the sense of stability it looks and sounds in the audio beginner from scales; Outstanding finish recognized by enthusiasts. Is a range of responses to sound and uplifting, even ultra wide range. Around a sense of depth and orientation this in one ideal sound stage will emerge.
Please note that similar products of competitors, Crystal (quartz rocks), crystal glass, etc..
Material: HR properties of processing high-response high-purity quartz glass (Hg ultra high purity)
Resonant frequency: audio band
Load capacity: 9500 kg / cm 2
Weight:2.2g/cm3 (quartz crystal 2.5 ~ 3.0 diamond 3.52)
Hardness:7.0 (Crystal diamond 5.0 10.0)