The Stereo Shop__Turntable Calibration 2

How to balance, a dynamically balanced tone arm, using a Dual 505 turntable with an Ortofon OM-10 phono cartridge. The tonearm features a 4 point bearing, a counter weight, and a precision calibrated spring at the the pivot point, to add the downward force (weight). Check out my other video to learn how to calibrate a statically balanced arm. The Stereo Shop, Hartford CT.