Regarding the SL1500 - bkearns

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Regarding the SL1500

Posted by bkearns on July 6, 2005 at 03:50:50

In Reply to: My Technics DD experience posted by daviddeep on July 5, 2005 at 20:48:36:

The Technics SL1500 does not use any feedback from a sensor reading the platter for maintaining the correct speed, so the hunting effect cannot occur with the SL1500.

For these turntables the speed was set using a couple of dials (potentiometers) mounted on the top of the turntable, and these potentiometers could suffer over the years leading to a somewhat unsteady speed for the platter.

The SL1500mkII had a quartz locked motor, so this version could theoretically suffer from the so called "hunting" effect.

The SP10mkII also features a quartz locked, an therefore is likely to suffer from the so called "hunting" effect.

However, considering the moment of inertia of a turntable platter and the very small variation in torque produced by the friction between the stylus for loud passages and silent passages, I would say that the hunting effect is a theoretical concern only (ie not detectable to the human ear)

Best regards,

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Follow Ups Full Thread

Topic - Please explain servo vs. quartz locked - rogercanada2004@yahoo.ca 05:20:35 07/05/05 (13)

My Technics DD experience - daviddeep 20:48:36 07/05/05 (2)

Regarding the SL1500 - bkearns 03:50:50 07/06/05 (1)

Forgive my technological ignorance - daviddeep 07:18:25 07/06/05 (0)

First: Separate the marketing from the technology.... - doodlebug 10:29:57 07/05/05 (0)

Re: Please explain servo vs. quartz locked - maabx 06:59:50 07/05/05 (0)

Re: Please explain servo vs. quartz locked - maabx 06:49:52 07/05/05 (0)

Servo is from Latin for slave. - Mark Kelly 06:33:43 07/05/05 (5)

Re: Servo is from Latin for slave. - Muzikmike 08:21:45 07/05/05 (4)

Re: Servo is from Latin for slave. - melomane 17:15:53 07/05/05 (0)

Whatever yer smokin', got any more??? /nt\ - HenryH 08:40:01 07/05/05 (2)

As a matter of fact... - Muzikmike 09:23:59 07/05/05 (1)

Luv that hickory smoked ham. . . yum . . . yum. /nt\ - HenryH 10:48:54 07/05/05 (0)

My meager understanding is as follows... - EdAInWestOC 05:41:24 07/05/05 (0)

Follow Ups

Regarding the SL1500 - bkearns 03:50:50 07/06/05 (1)

Forgive my technological ignorance - daviddeep 07:18:25 07/06/05 (0)

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