There is a divot in that blank record. See how the arm goes back and forth? Put the arm in closer to the run out area. It should slide only in one direction. Did you add any more antiskate before this video?
A pitch too High!
Recently, I damaged the V2 MM cartridge of Clearaudio Concept Wood turntable, so had it changed with a Grado Prestige Blue. The VTF for V2 is 2.2g while Grado blue stands at 1.5g. I took someone’s help to fix this. He even made azimuth adjustments and it sounded fine. But I soon realised that the sound had become thinner, voice being the primary indicator and just before the stylus landed on the record, it skipped back a bit then hit the record. Sometimes the tonearm would skip all the way out of the record, backwards. I called the guy back, and he felt the VTF should be fixed to around 2g to avoid the backward skip. He did so and that problem was licked and it seemed the voice thinning issue had also vanished. But last night, I put on the first pressing of Aretha Franklin Amazing Grace, and all along I found her pitch way higher, it was all too high pitched and uncomfortable. Seemed the bass had gone missing a little. On my Boulder 866, I could immediately hear the difference when the track was played through Roon. It was not as high pitched, thin as it sounded on analogue. I intend to call the guy again but wanted to know from experts here as to what the issue could be.
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@mijostyn There is no divot in the record. Those are prints and they are smooth. However, I’ll try again bringing it closer to the spindle, before the record dips. Yes, I did increase the anti-skate considerably from where I was previously; About 2 and a half rotations clockwise from the previous point. |
@mijostyn I have done all measurements again. For some strange reason, when I check the VTF, the value from the last time has changed, so I have to do it all over again. It’s anti-skate for 1.5g VTF that I have done. This is the slowest the arm is moving in, on the runout area of a recorded LP and the supposed runout area of a blank record. I made shifts in mm this time, so if I make it even slightly lesser the arm starts moving in faster than what you’ll see in the video. And if I take it 1 or 2mm more, the arm hovers a little at the same point for a little while and then moves in towards the spindle. Runout Area:
Blank Record
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- 143 posts total