Stevecham, a wow and flutter meter and an accurate test disc will open your eyes.
ANd your last sentence about most or all instability coming from the off center hole is flat out wrong. Some does, yes. But is that a reason to throw out speed instability of a turntable? Speed stability improvements on a given turntable are heard on MOST records, not just perfect records.
ANd your last sentence about most or all instability coming from the off center hole is flat out wrong. Some does, yes. But is that a reason to throw out speed instability of a turntable? Speed stability improvements on a given turntable are heard on MOST records, not just perfect records.