Audio-Technica VM540ML shakes

misiekzdzisiek

New Member
May 2, 2019
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Hello all.
Gentlemen, beautiful ladies, please help me.
I bought a new Pro-ject Debut SB S-Shape turntable.
In addition, the VM-540ML insert.
Today I had a moment to put it all together.
Previously I had an Ortofon 2m Red insert, on another turntable.
On the new one I fired an insert from the set for 5min (Ortofon 2m Silver) - it looked identical to the RED during operation.
However, after AT insertion and heashell, somehow they are more shaky, as if the suspension of the insert was different and carried more vibrations. This is especially visible at the beginning of the album. As if the vibrations were gentle from side to side.
Here is the link to the movie how it looks:
https://megawrzuta.pl/download/a0913ecb317bbb8432f39696370f2bb5.html
Is it normal?
I would like to add that I carry out the calibration very carefully, I use the electronic balance, the calibration template / template. Distances / angles preserved. Everything seems to be right. Recommended load 2g. I even added a weight from the turntable set so that the needle would be at the same height as the orthophone.
Please, help, I've never had this class of insert.
Effective arm weight: 16g, the weight of the insert 6.4g + 1g per plate. Altogether about 24, so we are in the field about the correct insertion of the arm ...
Musically / qualitatively I am VERY happy with it.
 

daytona600

Well-Known Member
Sep 9, 2012
722
151
955
scotland
low mass arm & supplied with a med/high compliance cartridgel
Designed exclusively for Pro-Ject Audio Systems, the Pick-IT 25 A is a moving-magnet cartridge based on the popular Ortofon OM series, but it employs highly conductive silver spools in the generator system for a superior sound performance. The result of the combination is a very harmonic and warm, audiophile sound.
 

misiekzdzisiek

New Member
May 2, 2019
2
0
1
42
Project made a mistake in the specs.
Valid parameters:
Effective arm weight:7,5g
Effective arm length: 8,6" (218,5mm)

VM540ML:
Weight: 6.4 g
Static compliance: 40 × 10-6 cm/dyne
Dynamic compliance: 10 × 10-6 cm/dyne (100 Hz)

The resonance comes out at 10.983 Hz, so it's good.

The cartridge that was included with this turntable is the Ortofon 2M Silver
 

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