Stuart: Never kept track but countless nights on the computer just designing and drawing. If you Since I had already located a good motor and turntable platter assembly I set out to construct a turntable base (plinth . Maria, CA (phone 805-349-1932). MAKE SURE the cut is exactly centered on the mark, or you will have to do some major trimming! Okay, I got so many inquiries, here are the I love listening to vinyl on my "mass-fi" Sanyo console stereo. the steel-ball into the hole, insert valve. I acquired a Dual 701 direct drive turntable which was used as the starting point for this DIY turntable project. Attraction DAC and The problems I faced along the way you ask? Next, you have to drill the hole for the bearing. The base of the turntable will be constructed by stacking the three cut plywood pieces. A tube of silicone to the platter is one. just as you would connect a pair of speakers. The type of wood sander (belt sander) used to make a smooth round edge of the turntable plinth is shown in Photograph 9. We want something better. The black disc rotates smoothly and can be completely locked down or left free spinning. Hifi Pig: Tell us a little about your turntable history. Stuart: After several designs I decided to keep things simple yet versatile. you feed 60Hz). Hifi Pig: Whats the drive mechanism on the turntable and why did you choose that system? It two can accommodate up to three tone arms. In . Charles Altmann Here is a photograph of the door stop after it has been disassembled. the parts in your hand. The gap :-), ALTMANN MICRO MACHINES Dipl.-Ing. A top heavy platter above the center point could create more side pressure on the bearing but this may be less of an issue when the turntable is running. Go. One more or less often used synchronous turntable motor is this or Some ideas make this turntable easy and cheap to DIY Rotating Plate Cake e Decorating Turntable Display Tool Stand T1A0 CS. Rather the tonearm tube, headshell, cartridge and counterweights are suspended in air by carefully aligned high-strength magnets of opposite polarity. The wood plinth has been sourced from the people at Kamuela Hardwoods in Hawaii. stylus protector, bottle beer etc. If you use the Between the main base and the motor base, there's a gap. with HD-50 grade engine oil ! is driven by a simple thread out of mom's sewing box. What you will need- High-quality felt, you will only need two 1' by 1' pieces. Be sure to get a round 7.5 deg. The tonearm was constructed from the ground up in a trial and error fashion. Versatile but motor hasnt enoughtorque and power to run the heavy platter properly. Hover to . volume and the motor rotates with a steady 250 rpm (300 rpm if To most a Hi-Fi record player would not be complete without some sort of record clamp or a turntable weight. Try to remember or 'learn' the character of this sound. Hifi PIg Extra will be a subscription only E Magazine that will contain all, The winner of the Hifi Pig 2500 giveaway has been drawn and the winner is Ian Ringstead of Sheffield UK. I had no part in this project and am acting only like an editor. a heavier pulley). I have to leave platter drive on for a while just to warm up platter bearing and leave on continuous for the record playing session. I still own it. Plug the RCA cables from the turntable into the inputs of your new preamp. Now you will spend at least half an hour turning the platter, and Plywood is a good material to use for the turntable plinth because it is stable (will not shrink), and relative to solid wood it is less likely to resonate, stronger and weighs less. They derive their speed from the AC supply frequency. platter. . ***No sound before1:30*************************It was just me stating that the platter and S.S spindle are the only items sent to a machine shop. It's very easy to make using a moderately well stocked home workshop. Step 4: Install the New Preamp. We treat the stepper as if it I was totally amazed when I flipped one of my albums on the newly-deadened platter. They are for sale in DJ-shops and in recordshops that sell 12 " records for DJ's. step angle means that the motor will turn 250 rpm on 50Hz May be somewhat the same with a turntable platter in motion. We need a sine-wave for coil #1 and a 90 deg offset sine wave for AC-synchronous motors are rare motors, but often used in Unfortunately those motors are not really cheap. It took about 3 months to construct the tonearm in this manner but the results were well worth the effort. To build a tonearm you will need access to a machining shop as you will require custom machined parts. There's DC-motors and AC-sychronous motors: DC motors require some amount of electronics in order to give The three bolts are approximately equally spaced. turntables. What commercial tables have you owned? broken) computer harddisks. I built a separate matching external speed control box to contain the turntable controls. The higher the mass (weight) the smoother the pulley will My custom turntablewas built with bettering the Revolver in mind. AllCorp will help you. The choice of a Dual 701 turntable as a starting point for the project is a good one as the motor is a DC servo controlled unit that in turntable terms is known as a direct drive type. Background. DIY turntable build. not adjustable. At 3mm thick, this acrylic mat can bring out a crisp and punchy sound in even the oldest records . private lacquer kitchen. It will be very important that you accurately locate the center of the record weight for drilling the center hole to slide over the record player spindle. If you look closely in at the mounting details of the tonearm you will see that the pick-up arm is suspended in air by the magnets and that only a single monofilament fishing line thread maintains alignment. You need to use a good drilling machine for supporting the I managed to eliminate static buildup by covering acrylic with copper foil. bearing. We just generate a 50 Hz (or 60Hz) sine wave on the computer using You can surely purchase a fancy cover to hide the hardware and dress up the turntable. DIY Soft-felt Record Platter-mat: I love listening to vinyl on my "mass-fi" Sanyo console stereo. Take the record and lay it on your felt, trace the circumference of the LP. I went the DIY route and made my own cover for the mounting hardware. The pick-up arm is made using furniture grade beech wood. $7.39. With the platter in place remove the mat and use your knuckle or a soft mallet to hit the platter and make it ring. the motor base away from the main base, you can adjust thread intake-valve from the Shovelhead engine (OEM# 18074-66), a matching The change is easily made: just exchange your metal platter for Acryl it. Buy Hudson Hi-Fi Premium Acrylic Turntable $22.50. the platter and the motor pulley before. Just after the advent of the compact disc I purchased a Revolver after reading a magazine review and had a Shure V 15vmr installed and never looked back. The DIY tonearm I used for this project is unlike most tonearms in that there are no fixed pivot points or bearings. 2022-02-07 8:47 pm. Extensive speaker Mods to a set of Infinity RSBs that I no longer use. the financial scope of this project". Your web browser does not support iFrames. Finally, the DIY record players is complete. need a centered bottom for the steel-ball, which supports the The bolts are used to hold the plywood laminations together while the base is sanded. and with motor frequency. For my record weight I was only interested in the top piece of the door stop. separate decoupled motor base. The Dual 701 turntable motor and drive assembly is shown in Photograph 23. For those with better cash flow, several kits are available. wooden tonearm. (If none what other tinkering/DIY have you done?). Might be a great solution for other turntables but I highly advise not using on Technics series . W&W The advantage though in using the direct drive unit from a Dual 701 turntable is that it is a rather vibration and noise free assembly and that it can be directly mounted to the same board as the tonearm. The paint on the mousse tube was removed using fine sand paper which makes the covers look like brushed aluminum. I am using a simple spirit level to set up the turntable. The downside of using a spindle-motor like this, is that you need Rowe-Pro 900 SS (21-4N stainless steel one-piece CNC machined, also Spindle hole(s) fold the mat in half through its line of symmetry, CAREFULLY cut a small "V" notch on the marked hole. The replacement pulley is made from Delrin material. I acquired a Dual 701 direct drive turntable which was used as the starting point for this DIY turntable project. ****Before doing any of the steps below RTFM (read the F****** manual!!) Share it with us! tonearm, I decided One directly to the motor. Since this is a DIY project you never know the exact diameter of Depending on your local price for wood, and your ability to find some surplus parts, total cost can be as low as $50,-. Our congratulations go out to Ian who will receive his. It was utterly terrible, and the hi-freq resonance was horrible! Don't forget the HD-50 grade oil before you let down the platter The Check out the Got a project or story youd like to share? Figure 5 is a top view of the turntable without the outer platter. Be sure to leave plenty to reach the motor. The I used very fine pick-up wire in the tonearm to carry the signal from the phono cartridge. It uses a Rega 303 tonearm and Ortofon 2m red cartridge. There are a number of good record clamps and weights that you can purchase for use with your turntable project. Note: This type of platter bearing is designed to be lubricated With this setup you can strobe Picture Information. Of course also this vibration also rears its head when your trying to play a lp with lots of upper-frequency noise. A magnetically suspended pick-up arm is unlike typical record player tonearms in that there is no fixed pivot point or bearings. The support feet I used are meant to be hidden inside an enclosure and therefore did not come with a decorative cover to hide the hardware. drawing. W&W (where I Depending on your local price for wood, and your ability to ***No sound before1:30*****It was . Mounting to the same board simplifies the construction process considerably. You may end up feeding the For the tonearm I used a single thread of monofilament fishing line to act as an alignment guide and as the pivot point for the tonearm. The bottom view of the Dual 701 platter is shown in Photograph 24 shows the stroboscope markings. (main base), the second supports the motor (motor base). a source for pulleys is model-car wheels Every motor / pulley combination will sound different on the It looks quite well with the rubber bands and also matches the platter of Dual 701. This is unlike both idler wheel and pulley belt drive type turntables which are more common. high. I've used rubber, cork and leather on metal platters before, with mixed results. It really not that bad of a stereo, lots of features, but the turntable, like other cheapos, is lacking. platter. Unless you prove otherwise, I would say, you cannot do this got them from). Those Rowe valves come in three flavours: Standard (shown here), basic requirements: A 4th criterion would be: "availability" and a 5th one: "within woodworker to make you the round platter, you may AU $8.05. A half-price-alternative is using the intake-valve & guide run. Take time to choose a good turntable drive and motor assembly. If you are not able to source a Those who visit my sites regularly already know that I am a sucker material for valve guides available (keep in mind: What's good for a $7.78. This means a high performing deck can be purchased slowly in steps. Since the Technics SP-10 turntable also uses a direct drive motor system I decided to adopt the same design philosophy for my plinth. You can order Royal Enfield Parts at the general importer have massive wood bases. This means the motor is actually part of the rotating turntable assembly. Staining of the stacked plywood base was completed after the wood glue had set. A spindle drive motor is a high-quality 3-phase synchronous (or It really not that bad of a stereo, lots of features, but the turntable, like other cheapos, is lacking. Strip the outer sheath. The bearing is made up of a couple of Harley-Davison parts: An This DIY turntable project was completed by Nandor Szabo, a very talented DIYer who is located in Hungary. SKU: 67014123940 Categories: New Arrival Sale, Turntable Parts Tags: Count, DrwH7, inc, ShlB1 . Free shipping. DIY Rotating Plate Cake e Decorating Turntable Display Tool Stand. My DIY turntable had a VPI acrylic platter and Teres motor. Connect I do intend to one day design/build a motor/controller system but that itself is a large undertaking. or 300 rpm on 60Hz (just like the Premotec). 2. Get in touch. Sheu's prices for bearing, platter, sub-chassis, and base are . Photographs 7 and 8 show the three bolts arrangement that is used to secure the plywood laminations that will make up the plinth of the turntable. aluminium, ferric, mangan alloy), which is the highest quality The intake-valve and valve-guide are manufactured by Rowe of Santa is also made from plywood. to build a turntable that is able to fathom the sonic delicacies that The platter and bearing assembly alone set me back 2K$ Canadian. frequency that you feed into your motor. To make the aluminum covers I used empty containers of mousse (hair styling product) which I cut to size. If the turntable weight is too heavy or off-balance this may result in excessive wear on the bearing. This is in fact how the original turntables are constructed. mat. This project began quite innocently as Chris Brady and Thom Mackris were mulling over the idea of building Thomas Scheu's turntable kit .This turntable has been compared favorably to the Platine Verdier in both the Sound Practices Magazine mailing list, a.k.a. The video cannot be shown. BYOB amplifier. to have extra electronics for making 3 phase sinewaves (can't do that from SDHC card. One supports the platter and tonearm (main base), the second supports the motor (motor base). for motor control. This is the basic setup screws. These hair products are typically pressurized so be sure they are empty and that you have safely depressurized the canister before you begin cutting. With the motor base, foot #1 is below the motor and feet #2 and #3 Links to Stereo Turntable repair shops in the US and Canada and abroad. This It is easier to sand off the paint while can is intact. email, smooth movement (okay, you can philosophize over that one ;-). The main base is 30x30 cm. Andreas is a CNC specialist and can make a platter for Slowly turn up Background. 2008-08-02 6:30 pm . I just knotted it for strain relief. sine-wave-voltage for least motor-vibration. My first DIY turntable with a 33 lbs. Its is because the light turntablewill be free to resonate on a suspension. The completed and assembled turntable base (less the tonearm) is shown in Photograph 30. Instead of having a nice solid CLUNK when you tap it, the thin , plastic platter rings and vibrates. coil #2 (as I said, just like AC-synchronous). His English is far better than my Hungarian and I agreed to assist in presenting his DIY record player project for him. All products are designed and tested in our vintage turntable workshop and feature the best customer satisfaction guarantee . The Scheu motor already has integrated electronics Hifi Pig talks to Hifi Pig reader Stuart Armstrong who has an interesting and very accomplished DIY turntable project. Both bases should have the same height, By moving The idea to use a solid plinth constructed of several layers of plywood came from soundfountain.com which outlined the construction of a plinth for the SP 10-Mk2. not really DC-motors ;-). The parts were all made by different specialists in their field. How do we accomplish a steady motor speed and a smooth rotation? - Bruce Heran. Stuart: I have this floor stander idea that is tall narrow with support by circular columnon either side of a line of open baffle driversthats all I will say for now on that subject. is able to provide 2 independend precision sine waves, which are read Moment of inertia J = 1/2 mass radius square. After a good friend gave me an AutoCAD program and taught me the basics of it I began designing different turntableconcepts. The "Joe" List as well as the Analog Addicts mailing list. Insert the power wire. The tonearm is a very special design that has been built by hand using local materials and the assistance of a local machine shop. 7.5 deg. Btw. Altmann DIY turntable. A wood adhesive is used to hold the finished plywood laminations that will make up the plinth of the turntable. Since I had already located a good motor and turntable platter assembly I set out to construct a turntable base (plinth) and a DIY tonearm for the record player. Add to cart. Sheu's prices for bearing, platter, sub-chassis, and base are . are at the front. This DIY record player project started out as a need for a turntable. drawing). deg. needle tightly in place). You can use a large drill bit to drill the hole or you can use a small Forstner bit like I did (Photograph 12). find the CENTER of the platter. both coils of the stepper motor to the amplifier's speaker posts, I am using a simple spirit level to set up the turntable. (too much torque), not a 1.8 deg (too slow). The problem with the cork on them is it enhances the ring resonance of the platter.. just not dense or heavy enough. delay. When I got tired of Ric Ocasek singing "Sssssssppp" on every "s" sound, I figured it was time to create a record mat! Cut the circumference of the marked line on both mats. From start to finish the DIY turntable project took several months to complete. Nice, vibrant Sharpie A pattern LP (DONT USE A GOOD ONE!!!) This DIY turntable for photography is the perfect accessory for any photographer's studio. Photograph 21 shows the completed turntable feet with the decorative aluminum cover in place to hide the turntable suspension and mounting hardware. 2. the platter to do exactly 33 1/3 rpm, because you can change the This DIY record player project started out as a need for a turntable. valve guide, and a 5/16" steel ball (OEM# 8860). Hifi Pig: What other DIY turntables have you made? Turntable bearing and platter (SET) $ 540.00 $ 500.00. Take Control, DIY! Acrylic White Turntable Mat by Pro Spin. DIY Hifi Supply. First a hole saw is used to cut a circular slot that will neatly hold the external hardware of the turntable support feet. Construct using wooden plinth, custom motor. First, glue together the wooden bases. EAR FILLERS HiFi Pig Playlists on Qobuz, Transatlantic Dispatches: A New World Disorder, An Awesome DIY Turntable Build By Hifi Pig Reader Stuart Armstrong. Steal (not literally) tone arm assembly, needle / cartridge and pre-amp board from existing turntable (potentially find broken one on eBay or the like) 3. It consists of Pro-Ject Debut Carbon turntable that's resting on a mango plinth. Groovetracer delrin platters are compatible with these turntable models: Planar 2, 3, 25 and Rega RP1, RP3, *RP6, RP40, P1, P2, P3, P25, and P3-24. Also Nad 533 . Aside from the AC motor having a more consistent speed in the Revolver I succeeded. There is no suspended suspension in this design relying on choice of materials, mass and plinth design to control resonance. from a Royal Enfield Bullet 500 motorcycle (made in India). The valve-guide chosen is made of AMPCO 45 (a copper, nickel, $10.96. rest weight (see first pic or It is much harder for acoustic energy to excite a resonance in a massive deck that is directly coupled to a rigid stand. Hope you enjoyed this, please rate and comment, feel free to ask questions! and end result) as a cheapo two-phase stepper motor with a step The diameter for the above type of motor should be But the heavier the pulley, the more vibration the motor will have Drilling holes through the plywood laminations that will be used to secure the stacked plywood plinth base together. I used some heavier wires this time (0.22 mm). With the volume control you can adjust the Photographs 35 shows a top view of the completed DIY turntable project without the platter. You can see an example of the replacement pulley in my second build https://www.youtube.com/watch?v=rPK95wutGsA. Next Last. The assembly of the support feet for the turntable is shown in Photographs 14 through 21. AU $8.16. STEREO TURNTABLE REPAIR / RESTORATION RESOURCES FOR TURNTABLE / RECORD PLAYER / PHONOGRAPH REPAIRS SHOPS / Resources. The heavy rubber matt style from SP10MKII is probably the best match for 1200MK series. This is not really accurate and also Hifi Pig: Introduce yourself to our readers. My first DIY turntable with a 33 lbs. 5% coupon applied at checkout Save 5% with coupon. A bipolar stepper motor has two coils (just like a AC synchronous Stuart: My first turntable was a Pioneer pl 7 bought new in 1980 I think. Build and parts quality could improve some and speed needs to be adjusted by ear more often. Other motor assemblies may work but it is likely that most will require some sort of isolation to keep noise and vibration levels low. GROOVETRACER DELRIN PLATTER "With the Delrin platter in place all of the sonic improvements mentioned above jumped up another notch, especially in areas of air and focus. 1. Two things are important: on Introduction. The Dual 701 motor is quiet, vibration free and fully adjustable for speed. The bass was tightened and more pronounced, and the hi-frequency resonance was cut down tremendously (not TOTALLY) All in all, this cost me about 50 cents in material, and is one thing to do before you can afford a real, good, turntable. Before I was building speaker cables from 25 pair cat 6 and terminating them into two channel speaker system and still use. AU $16.99. The platter alone is 30 pounds of solid aluminium and is 2 1/2 thick. yourself, you have to go to a carpenter who has a CNC- machine. #12. Make Your Own Customisable Desktop LED Neon Signs / Lights, Smart Light Conversion Using ESP8266 and a Relay, Wi-Fi Control of a Motor With Quadrature Feedback. The cover for the feet is pressed over the inner O-ring and then the larger O-ring is used on the outside to close off the gap and create a friction fit. For my DIY turntable project I have attached an Ortofon Samba Low Output Moving Coil (MC) Phono Cartridge ($285US) to the headshell. . for natural tone. A thick and soft rubber mat worked really well on the thin aluminium platter of an ERA, whilst I really liked leather on a Linn LP12 (and I really don't like the standard felt). Shovelhead valve-guide with .004 oversize, a 16mm hole will give a The turntable consists of two separate massive plywood-blocks (glued together from boards). The platter alone is 30 pounds of solid aluminium and is 2 1/2" thick. The control circuitry is contained in the base of the motor. Wooden base, wooden motor base, wooden turntable-platter, you at reasonable cost. In Stock - Free 2-Day Shipping! compared to bottom This is often done with a mains transformer plus a capacitor for Photograph 25 shows the completed turntable base, with the speed control box to the right and the record platter at the back. Although there is many factors that will affect the way a system will sound a turntablecan be the most important reason why a stereo can sound so good. It uses a Rega 303 tonearm and Ortofon 2m red cartridge. contact Manley Performance. Photographs 4 and 5 show the paper templates used to cut the plywood sections that will be used for the turntable plinth (base) construction. Dependant on platter material and thickness I would guess. 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