There are just so many other factors in an audio system's linearity of the ultra high frequencies that the capacitance is very low on the list of important things to worry about. In actuality, from a practical sonic perspective, capacitance would have to be significantly higher than the 200 pF specified, to be audible. So as long as the cartridge's resultant frequency response is linear ,(1) within the range of one's hearing, and (2) within the range of the speakers' high frequency accuracy, capacitance is fine. It is simply that too high starts to roll-off the ultra high frequencies. Only the IQ-3 has impressed me as remarkably close in sound to a much more expensive low-output MC.Ĭlick to expand.Theoretically, the total capacitance of tonearm internal wire, tonearm cable and phono preamp (added together) becomes extremely important, if it is higher than the specified threshold. Their low-output MCs sound MUCH better, particularly their super-low-output models with the right associated step-up transformer. I have NOT liked any of them compared to low-output MC cartridges. I have heard many high-output Dynavectors and Ortofons, some MC, some MM. But with my ears, I have been very satisfied with the IQ-3s that I have installed for my customers. They consistently sacrifice too much in the areas of dynamic contrast and reproduction of fine details. Personally, I generally don't like any high-output cartridges. But, anywhere you read or hear about the IQ-3, you find over-the-top satisfaction with it. Keep in mind, I am an Audio Note dealer, so maybe overly proud of the products I represent. I don't think there is any other high-output cartridge that sounds as satisfyingly close to a very expensive low-output MC and transformer step-up. And, I have heard the IQ3 in many audio systems now, including at audio shows. Anything else needs to be converted using rough estimating.Ĭlick to expand.Your RB1000 is an absolutely wonderful tonearm, with exactly the same effective mass and basic design parameters as the Audio Note tonearms. For calculations, you usually want the dynamic compliance number at 10hz. The other thing to keep in mind is that different companies publish their compliance specs differently. Besides that, the old Shure and Stanton carts sometimes had stabilizer brushes that acted as a type of damper. ![]() Some fancy arms use silicone damping to allow higher compliance cartridges to work on a heavier arm. Some arms are more well damped than others. ![]() That means that when you break out a test record and measure the RF yourself with a given arm/cart combo, the numbers may differ a little from the calculations. The other way around and you'll have problems too.Ĭalculations are good to do but you also have to keep in mind that the tonearm will be affected by damping. Put a high compliance cart on a heavy arm and muddy bass and sub-par tracking usually result. Click to expand.Compliance matching matters because it can create unwanted distortion on playback.
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