RE: Grado Hum - TT or Arm Dependent?

Posted by MikeWI (A) on July 2, 2015 at 10:02:58

In Reply to: Grado Hum - TT or Arm Dependent? posted by davidbeinct on July 1, 2015 at 06:11:14:

On my old Rega Planar 2, my Grado hummed more as the cart approached the inner grooves (and the TT motor). I solved it by placing a piece of Mu-metal on the surface of the plinth, under the platter, near the spindle, and in line with the stylus tracking curve. The other suggestions regarding shielding and grounding would also be worth a try.

Mike

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Follow Ups Full Thread

Topic - Grado Hum - TT or Arm Dependent? - davidbeinct 06:11:14 07/01/15 (13)

RE: Grado Hum - TT or Arm Dependent? - MikeWI 10:02:58 07/02/15 (0)

RE: Grado Hum - TT or Arm Dependent? - daleda 11:51:17 07/01/15 (0)

If you run into hum try grounding the motor - Ralph 09:47:55 07/01/15 (3)

How do you ground a motor? - jeromelang 17:57:19 07/01/15 (2)

HotStamper got it right; you attach a wire to the motor frame or body nt - Ralph 10:11:01 07/02/15 (0)

RE: How do you ground a motor? - HotStamper 04:25:40 07/02/15 (0)

The tt - ac motors. - Rick W 09:16:30 07/01/15 (1)

+1 Rick - M3 lover 10:04:25 07/01/15 (0)

RE: Grado Hum - TT or Arm Dependent? - Kindablue 08:15:37 07/01/15 (1)

RE: Grado Hum - TT or Arm Dependent? - collinslaw@fuse.net 09:02:54 07/01/15 (0)

More proximity to the motor, type of motor and platter material dependent. - Opus 33 1/3 07:11:36 07/01/15 (0)

RE: Grado Hum - TT or Arm Dependent? - bjh 06:30:21 07/01/15 (1)

RE: Grado Hum - TT or Arm Dependent? - Jabs1542 06:43:55 07/01/15 (0)

Follow Ups

RE: Grado Hum - TT or Arm Dependent? - MikeWI 10:02:58 07/02/15 (0)

RE: Grado Hum - TT or Arm Dependent?

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