The spindle runs on a hydraulic oil film without any mechanical contact on the hydraulic flydisk. The resu lt is a perfect synergy of rotating parts. The installation is simple. No additional parts are necessary. Those flat bearings avoid the full performance, the Kokomo kit fix these problems and the Garrard can run again with outstanding performance.
The installing is a easy job, all srews and parts fits with this new part. Installation takes approximately 10 minutes. The platter bearing dimensions for the Model and the are different. Some customers have tried bearing grease in place of our special bearing oil with good results.
Performance over the original bearing assembly is obvious. Your will run quieter. Why should I use the special bearing oil? Performance is improved and bearing wear is reduced almost to the vanishing point.
While some experts have recommended and offer automotive motor oil, we advise against oil substitution because of the potentially corrosive effects of the additives used in engine oil.
Adam Smith: Even more impressive was the blissfull silence between the tracks…. When applied to Garrard and decks, this is even more important because, as our very own Noel Keywood found, this contributes greatly to the age-old rumble problems suffered by these otherwise superb units.
Of course, quite a few specialists have now cropped up that will sort this problem out for you, including Dr. Until, recently, however, there has been relatively little that the home DIY-er could do to their own deck in this area. Available for both s and s, the Kokomo kit consists of a brand newone-piece bronze alloy thrust plate and a ceramic ball bearing that replace the original Garrard items.
The kit also includes a bottle of a special bearing oil that can be purchased separately for Euro 8, Using my own as the test bed, I stripped out the old bearing and cleaned everything thoroughly with isopropyl alcohol, before commencing fitment of the new item.Mortimer and produced between andare considered by some to be the greatest of all," wrote Art Dudley in And "with its 10W motor, lb lower platter, clutch-decoupled upper platter, combination drive system of belt and idler wheel, and sculpted good looks, the lb Thorens TD took the audio world by storm," he wrote in a review of the book Swiss Precision: The Story of the Thorens TD and Other Classic Turntables.
Art described buying a used Garrard turntable, originally made inin February He carefully took it to pieces, including many photos of its construction in his column, then discussed designing and making a plinth for the turntable in his March column. The refurbished Garrard gave years in the service of Art's music until he recently replaced the main bearing with one manufactured in Thailand, the Buddha Bearing. II turntable, ca He described bringing the Thorens back to life in his May columnthen discussed the possible reasons why this turntable sounded as good it did in his October column.
He also noted the effect on its performance obtained by mounting it on an OMA slate plinth in this column.The rarest type Garrard 301 revealed.
Art returned to the TD in his December columnwhen he discussed using it with a Thorens TP 14 tonearm, and in his February columnwhere he discussed refurbishing the motor of the TD he had purchased from Richard Lehnert. So without further ado, from our March issue, here are J.
Gordon Holt's brief reviews of these two classic turntables. New ones may require some break-in and occasionally some adjustment when purchased, but from that time on, occasional lubrication is all they will need for a very long time.
Thorens TD Like all mechanical devices, this needs occasional servicing to keep it in peak condition, but it is very durable, its rumble and speed variation are exceedingly low, and the manufacturer's quality control is excellent. The removable side panel that mounts the pickup will appeal strongly to those who like to experiment with different pickups. Submitted by Ortofan on September 7, - am A Lenco 75, if you like idlers, is good too. Search form Search. Show Munich More Reports.
Turntable Reviews. An editorial note: We recently republished Stereophile founder J. This was the first high-end 'table I bought after leaving university and earning a wage.Stereophile 's enduringly healthy circulation suggests widespread support for the multiplicity of voices in our pages, and virtually every month that notion is confirmed by letters from our readers.
Most of our reviewers have their fans and their detractors, and although it's been a long time since I've seen a letter demanding the head of this or that reviewer, we still occasionally hear from readers who want us to know they trust Herb or John or me or Mikey or Kal or someone else above all others.
Because the quest for wisdom is not a zero-sum game, it's possible for Stereophile to print, in a single issue, a review by Jason Victor Serinus who relies exclusively on digital sources alongside a review by me who relies primarily on analog sources without having to worry they'll cancel each other out, like those old married couples who vote for different political parties.
Buddha Bearing Dimple
Indeed, although it's always nice when someone writes in to say they agree with an opinion we've published, nothing makes me happier than letters from readers who declare their fondness for Stereophile writers with whom they disagree, or whose tastes in music or gear they find repellent.
And, with apologies for what seems like boasting, we get letters like that all the time. Look at it this way: Online and in print, Stereophile has a large readership. Tempting though that may be.Football hd frequency and bisskey
People who harbor a dislike of flutes tend not to avoid orchestral music because of it. At least the rational ones don't. Does that mean Stereophile is willing to publish any old bullshit? Not at all. So we're not going to give voice to people who would have you believe there's no difference between the sound of a battery-powered IC and a well-designed amplifier made from discrete parts.
And at the same time, we're not going to tell you that putting a photograph of Pope Francis in your freezer will make your hi-fi sound better. Which is actually more like batshit.
Who gets to decide what is and is not bullshit? We do. Just as Supreme Court justices are paid to know pornography and hate speech when they see it, Jim and John and I are paid to know antimusic, antiscience, antiaudiophile nonsense when we see it.
And we welcome your comments on how we might up our game, if and when need be. But I warn you: Speaking only for myself, there is one more type of bullshit, in addition to the ones listed above, that I refuse to abide, and that is anti- fun bullshit, as practiced by pedantic, unimaginative killjoys, and which is actually more like pigshit.
Trust me, you'll have no trouble finding other English-language magazines, albeit small-circulation ones, in which it is impossible to tell one writer from the other. Social lubricant Identifying various types of barnyard ordure isn't our only job. The number one job of any editor is a tie between making sure we're telling readers things in which most of them are interested, and telling things that are true.
With regard to the first of those, a good editor and a good teacher have one thing in common: They are both skilled at discerning what it is their audience is ignorant of but needs to know, and then taking responsibility for presenting that information with the utmost clarity and thoroughness, preferably in an entertaining and memorable fashion. I have worked as a teacher and I have worked as an editor. And I am here to tell you, not only are half the people in those professions utter failures, but more than half don't even understand those most fundamental of their job requirements.
Actual teachingas a skill, is all but extinct. But that's a rant for another day. We can't get so wrapped up in a good yarn that we do not, from time to time, say something like "Are you sure you had time to stop and help a little old lady across the street between cleaning those stables and holding the world on your shoulders?
Have you measured it? Although neither the manufacturer nor its distributor suggested I should write any such thing, I got carried away with my enthusiasm for the new bearing and, well, extemporized.Here's how it all went down: Earlier this year, I was sent a review sample of a perfectionist-quality platter bearing called the Buddha Bearing, intended for Garrard and turntables footnote 1. I was happy to receive such an interesting product but slow in trying it, partly because my record player sounded so good at the time that I didn't want to go tearing it all apart, and partly because there were other review samples in line ahead of the Buddha Bearing.
But overall, I wasn't happy: The music didn't hold my attention the way it had earlier in the day. Melodies didn't flow, lines of notes lacked momentum.
The Garrard 301 is back! (sort of) | High End 2019
And LP surface noise was more annoying than it had seemed to be before the change: What was up with that? I not only loosened and then gently retightened the mounting bolts, but I again removed the chassis from the plinth so I could redo the three bolts and nuts that secure the bearing to the chassis. It occurred to me that I had probably overtightened them, too. While working on the mounting bolts, I paid attention to the gap between the 's chassis and the plinth.
I noticed for the first time that, when the bolts were overtightened, the chassis was stressed to the point of very slight deformation. I wondered if the same would be true of the fit between the chassis and the platter bearing, or of other part-to-part joints in the player.
With the above-mentioned bolts now snug but not so tight that critical parts were stressed, I listened once again and heard a surprising difference for the better. The sound was now utterly captivating, in a manner and to an extent that was well beyond my expectations. Instrumental sounds were bigger and more colorful than ever, and lines of notes flowed naturally and compellingly.
Now it was clear that the Buddha Bearing allowed sustained notes a freedom from wavering far greater than I'd heard before, a clearly audible, anyone-could-hear-it difference. But I was still evaluating two things at once. So, as much as I didn't want to, I once again took everything apart, reinstalled my Garrard's original grease bearing, and reassembled the player so that the fasteners were sanely snug but not overtightened to the point of deformation.
Also in contrast with the original grease bearing, in which a flat-bottomed spindle rides on a flat thrust plate, the bottom of the Buddha's spindle is rounded, in the manner of the single-point bearing of the Linn LP12 : It appears hemispherical, although the manufacturer says its shape is in fact very slightly bullet-like, its point helping to locate the bearing.
The Buddha's thrust surface, which is integral to the bearing well, is itself hemispherical, and a bit larger than the bottom of the spindle.
In each Buddha Bearing, the steel-alloy spindle and its bronze well are matched to one another, machined, and polished for a fit that's on a razor's-edge border between too tight the point where friction intrudes and too loose the point where microvibrations intrude upon playback quality. I was told that the spindle and well materials are carefully selected to work in unison: Their mechanical impedances ensure that shockwaves will readily transfer from the spindle to the well, but not back again.
But the Buddha does require a carefully chosen lubricant. My review sample also came with a cleaning brush and instructions on putting it to use: Even though the Buddha Bearing gets a thorough cleaning at the factory prior to being shipped, the manufacturer suggests a final, pre-use wash with warm water and dishwashing liquid, and a thorough air-drying.Quick links.
Username: Password: Remember me? Please login or register an account. Board index Manufacturers Technics. DIY SL bearing mod turning japanese. It's quite a complex design with lots of materials and interfaces - I suspect this is for reasons of resonance and noise control rather than economy though. The bearing is secured to the chassis by 3 bolts and my first mod was to put a blob of blutack in the well to add some support like the KYB wax mod. Next I dismantled the bearing to examine it more carefully.
The shaft is a very close tolerance fit to the sleeve - better than I've see on suspended subchassis decks I've owned. The shaft finish is good under the naked eye but with a magnifying glass it's not 'mirror'.
The thrust pad is quite compliant and AFAIK a self healing plastic - clearly built with durability and decoupling in mind. The worst part is however the end of the shaft which is very rough and pitted and not at all what I was expecting. I put the spindle in my hand drill and polished it up with some metal polish wadding.
Doing the same to the end just smoothed over the pits so I got some very fine abrasive paper and dressed this up with the drill before finishing off with the wadding the abrasive paper is much finer than the finest grade wet and dry you can buy BTW. Result was a surface more like a good quality ball bearing which can't be a bad thing.
I could have just left it there but I wanted to experiment with different thrust pad materials so I made a new bottom plate from a repair washer with an alloy plate under it so there is a recess for a thrust pad and a metal ring on top to create an oil bath. This was glued together with epoxy metal glue.
I had some 1mm thick PTFE sheet and I made a thrust pad to fit the recess and after cleaning everything up I put it back together with some thin fully synthetic motor oil. The spin-down time with the stock bearing cutting the power was 18seconds from 33rpm to stationary - with this mod it's 22 seconds so that would indicate friction is down at least.
Frequency spectrum of HFN residual noise track shows no dramatic change but I'll test it again when it's been run in a bit more. PTFE is good for minimum friction but it's quite soft and I want to try some harder material which seems to be the thinking with the aftermarket bearings. Keep us posted. Good work on the DIY bearing! I replaced my stock bearing with the Applied Fidelity bearing and couldn't be happier. The PTFE pad had formed a 2mm wide indent.The final touch, before lowering the turntable's platter to the spindle's tapered top, is to add oil to the lubricant trough machined into the well's upper edge.
No one has that kind of time! Died of a theory As I've already suggested, I went into this project without quite the same headlong rush I bring to such things as new amplifiers or even new tonearms, owing in part to the installation difficulties involved. But I admit having other reservations, including a sentimental attachment to my early-production Garrard's original grease bearing, which is much rarer than the oil bearing found in later samples of the and all samples of the Yes and no.
I'm open to the suggestion that a perfect-condition grease bearing is superior to a perfect-condition oil bearing; at the very least, I would be surprised if the two types didn't make for slightly different-sounding turntables.
But unless they've been holed up in a storage unit somewhere, perfect-condition Garrard bearings no longer exist, and common sense dictates that samples still in use are compromised by both the wear they have undergone and the practical limitations of the machine tools in use at the time of their manufacture. Anyway, and for whatever unseeable reason, my results with the Buddha were sublime.
With the new bearing in place, my Garrard-based player wasn't just the colorful, purposeful, forceful player I knew it to be: It reached, when called for, new heights in serenity and a consequent increase in sheer listenability. Now my attention was devoted to following the nuances of Klemperer's uncommonly expressive conducting, appreciating as never before the whys and wherefores of the players' use of vibrato and portamento and the thrilling ease of their dynamic shifts.
And now, with the Buddha Bearing installed and the 's setup completely sorted, I heard less surface noise than ever before from this well-worn LP and from countless other records enjoyed in the days and weeks that followed. As for that: Received wisdom suggests that raising the quality of one's phonograph has the unfortunate result of telegraphing to the listener with ever greater fidelity the flaws in his or her records.
Does this qualify as a tweak, a coincidence, or something in between? The experience reminded me of a time many years ago when I removed for cleaning the clear acrylic front plate on my Shindo Haut-Brion amplifier.
When I screwed it back in place, tightly, I wasn't as pleased with the sound as I had been before my little cleaning expedition. Realizing that absolutely nothing else about my amp had changed, I went back and slightly loosened the four screws and was utterly shocked at the degree of the change in its sound for the better.
I loosened, very slightly, the 10 screws that hold in place the top cover of my Shindo Monbrison preamp, and I heard a tiny change for the better. Emboldened, I removed the cover altogether and heard no further change at all. And so it went. Near to the time when I discovered the effect, I did the Haut-Brion front panel thing for a visitor.
He laughed out loud upon noticing the difference it made. Other applications of this tweak have been less clearly effective.Sonic 2 hd sprites
This episode brings to mind one of the ideas held by Richard Hoover, a master luthier and the founder of the Santa Cruz Guitar Company. In trying to identify the differences in construction between vintage and new guitars, it occurred to Hoover that by the time an acoustic guitar reaches 50 years of age or more, its component parts have relaxed.Quick links.
Username: Password: Remember me? Please login or register an account. Board index Manufacturers Garrard. Garrard thrust bearing issues the jewel in the crown. Then I remembered I had a a neighbour gave me about 25 years ago. Now I will get to the point! I stared looking at forums, reading about grease versus oil bearing versions, what oil to use, thrust bearing mods, etc. The end of the spindle was like glass, no circular marks at all, but more surprising the flat face of sintered bronze pad looked as when it was pressed?
It was absolutely clean no marks or polishing, just a clean porous mat looking face? I then lightly roughened grit silicone carbide paper the bottom of the nylon puck and the face of the steel cover plate.Wilo pumps
I repeated my hand rotation experiment, and it worked as it should, the puck remained stationary and the spindle turned on the bronze pad, perfect I thought, and how many other owners have seen this? Excitedly I reassembled the bearing, fresh oil ISO 32 hydraulic oil switched on- fantastic, switched off-not so fantastic, the platter came to rest in about 15 seconds.
I left it running all night, switched off and this time about 20 seconds to rest, and bear in mind this is at 78 rpm. I feel I should have just tightened the cover screws and remained in ignorant bliss! Part of the design of the Garrard and to a somewhat lesser degree the is that the bearing especially the original grease bearing and eddy current speed control exert a load upon the motor, keeping it at its maximum torque.
That is probably responsible for the uncanny speed stability as to microfluctuations, for which the Garrards are famed. My line of thought was for the platter to be as low friction as possible, but as you say some load would stabilize the power train.Oking model ok817 mtk 6580 filash file
You say "to a lesser degree the " is that because Garrard decided to invert the thrust pad convex side up and use that, and hence reduce the contact area to the spindle? If so why completely change the whole bearing concept, have other manufacturers used that idea?
Thanks, Tony PS I had thought about doing just that, i. I stripped the bearing down and cleared away the flood of oil, especially the small pond at the bottom of the bearing well - that the delrin thrust assembly was rotating in! The result was that the delrin housing stayed still, the pressure of the bearing spindle brought oil to the top of the bronze thrust plate and the bearing sleeves broached to size I understand kept what oil was needed, a few drops every so often years in domestic use being enough for reliable operation.
I'd also strongly suggest you avoid the add-on me-too thrust bearing 'upgrades' around and about, as the bottom of the spindle will be irreparably damaged by the indentation of a thrust ball. If you're really going to 'upgrade' the bearing, buy a new one whole.
Kokomo Kit 301 / 401 MK3
The trouble with online audiophools I raise my hand if necessary is that 'we' tend to think we know more than the engineers who designed the thing in the first place - and Garrard were a VERY serious and knowledgeable engineering operation in the 50's and tried their damndest in the 60's onwards with progressive cash starvation from Plessey I think.
Good luck and follow Garrard's or Loricraft's servicing advice!
I must admit to never seeing a delrin thrust bearing housing spin in the bottom of the shaft, very strange. You can get it in an auto parts store.
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