Looking at moving up in the tonearm world from my Ikeda 407. I use Stonebody Koetsus. Anyone have any thoughts on the Acoustical Systems Aquilar in conjunction with the Koetsus?
Thank you for the reply. Reading through the literature for the Aquilar, it seems that it offers a great range of cartridge variability. This is a key point of interest to me. From 5.2 to 30 grams balanced range regardless of tonearm length, but the compliance of the Jade, for example, is 5, which is not good with the 10”, and barely good with the 18.8 effective mass of the 12” arm, . So your sentiment is sadly on point.You can get the Aquilar in 10" and 12" version,
Personally I do prefer Koetsu on a more heavy arm, so the 12"Aquilar is the only way to go.
10" is more like SME V in terms of effective mass.
It is high on my list for sure. According to the distributor, the 12" will mount on a 9" SME mount, which makes it even more appealing to me.Koetsu reports compliance at 100 Hz. If we translate that to 10 Hz we are looking at around 7.5 conservatively. With 18.8g for the arm, 12.5g for the cartridge, and 1.3g for some brass screws you are looking at a reasonant frequency of 10.17 Hz, not bad. I was considering the Aquilar 12" at one point, still might eventually go that route.
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