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  Turntable speed accuracy
There is another thread (about the NVS table) which has a subordinate discussion about turntable speed accuracy and different methods of checking. Some suggest using the Timeline laser, others use a strobe disk.

I assume everyone agrees that speed accuracy is of utmost importance. What is the best way to verify results? What is the most speed-accurate drive method? And is speed accuracy really the most important consideration for proper turntable design or are there some compromises with certain drive types that make others still viable?
Peterayer  (System | Reviews | Threads | Answers | This Thread)

11-09-11
  Responses (401-450 of 573)
Click title to read one, or click date to read all below it.

01-26-12   Dear dev, your question was: "don't you think it's stra ...   Lewm

01-26-12   Hi lewm, thanks for the reply but if i'm paying top dollar ...   Dev

01-26-12   Dear halcro: a friend of mine brought his timeline with him ...   Rauliruegas

01-27-12   Dear raul, it's good to get your feedback. it appears that y ...   Halcro

01-27-12   Ummm..., dev, i think you took what i wrote and ran away wit ...   Lewm

01-27-12   Lew, you both 'heard' it :^) i think our descriptive languag ...   Halcro

01-27-12   Here is a link: go back up the thread two or three posts of ...   Lewm

01-27-12   Hi lewm, thanks for the reply back and clarification. i ha ...   Dev

01-27-12   Dev, as i wrote, i used the walker because (1) the exact fin ...   Lewm

01-27-12   Lewm, thx that's great info.   Dev

01-27-12   One more thing. i realized whilst taking my evening stroll ...   Lewm

01-27-12   i agree. all lenco tables in stock form have speed issue. ...   Hiho

01-27-12   Hiho, thats crazy and thanks for sharing. that's exactly wha ...   Dev

01-27-12   dev, i hope i did not discourage you to pursue the lenco. ...   Hiho

01-28-12   Hiho, fwiw, i use a 2nd generation ptp. as you know, it has ...   Lewm

01-28-12   Lewm, which of the 3 tt's the lenco l75, technics sp10mk3, ...   Dover

01-29-12   Dover, cannot fairly answer any of those questions yet. i l ...   Lewm

01-30-12   it is, indeed, a head game. sometimes i wonder if we make r ...   Hiho

01-30-12   for a lot of audiophiles everything is more or less a fasci ...   Syntax

01-30-12   "a turntable needs the right speed, knowledge to make t ...   Lewm

01-30-12   No doubt repeating a point someone else has made. if the spe ...   Lrsky

01-30-12   What turntable?   Lewm

01-30-12   The argument between measured performance and audible perfor ...   Pryso

01-30-12   This is an interesting discussion! thanks all who have part ...   Dfhaleycko

01-30-12   I think you have it a bit backwards. generally the motor ch ...   Lewm

01-30-12   How do tt bearings in motors from the 50s differ from those ...   Ketchup

01-30-12   Ketchup, tt bearings of the 50is are bigger, more stable and ...   Thuchan

01-31-12   There are also crappy bearings in turntables both old and ne ...   Lewm

01-31-12: Lespier
"You would not use a Pabst motor in a direct-drive turntable"

Lewm
Pabst is a company that made many motors. The external rotor one used in the Empire(Atmaspere)turntables is merely one of their products.
They made dd motors for Revox and Goldmund and I I believe they also had something to do with the Dual eds motors.
The external rotor one was used as an upgrade for the TD 124 and the also made a dc motor for belt drive that was used in the early SOTAs.

Lespier  (Answers | This Thread)


01-31-12   I meant to say that thorens offered an external rotor papst ...   Lespier

01-31-12   Lewm asked, 'what turntable', i'm thinking that he was askin ...   Lrsky

01-31-12   I owned a sota star sapphire iii with vacuum for many years. ...   Lewm

01-31-12   Hi lewm. papst made a huge variety of motors. i think the c ...   Lespier

01-31-12   Pabst is indeed a company name and does not refer to a type ...   Atmasphere

01-31-12   Hi lewm. papst made a huge variety of motors. i think the c ...   Lespier

01-31-12   I found a website where the owner installed a papst motor in ...   Lewm

01-31-12   I found a review posted by 'grimagog'? for a mark kelly cont ...   Dfhaleycko

02-01-12   i share that sentiment. lewm: " i actually thought ...   Hiho

02-01-12   Dear lewm, yes it is exactly as you described. modern manufa ...   Thuchan

02-01-12   Dear thuchan, i just this past month ordered the bearings fo ...   Dertonarm

02-01-12   Hi dertonarm, how in the heck can a bearing for a table cost ...   Dev

02-01-12   Dev, just read what dertonearm is asking that bearing to do. ...   Lewm

02-01-12   that's very zen. i need to do that myself. bill belichick ...   Hiho

02-01-12   Hi dev, the bi-planar air bearing for my turntable in the 19 ...   Dertonarm

02-01-12   hi lew, if the motor was noisy then its likely that there w ...   Atmasphere

02-01-12   Dertonarm fascinating and of course your table would be some ...   In_shore

02-01-12   Lewm, been thinking about your 'what turntable' question... ...   Lrsky

02-01-12   Ralph, by all accounts, a really accurate subdivision of the ...   Lewm

02-01-12   Lrsky/lewm - my money on an 80's demonstration by magnepan w ...   Dover

02-01-12   Atmasphere - i think you are too optimistic on the quality o ...   Dover


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