Tap "START" in the… on the App Store » reports the speed is 1.8% high (33.9 rpm). Here's how: 1. See the RPM speed variations, wow/flutter, of your turntable in real time graphics like you've never seen before. Since this was going to be sold in a store, we needed a simple app to run the strobe at the perfect frequency depending on the speed of the user's turntable. The KAB SpeedStrobe is unique in 2 ways. The stroboscopic system involves a cardboard disc with equally spaced markings that you place directly onto the turntable. Turntable speed checker. to use this method, you will need a printer and a lamp with a 50hz or 60hz bulb. Copyright © 2014-2020 APKPure All rights reserved. I am using a laser tachometer and I can make real time adjustments to the turntable speed which is really handy for the 1950s turntable I have at work that has an infinitely adjustable potentiometer for RPM changes. Well, there's no place like home. Need to think about investing money into a quality turn table. I checked it with a strobe, and it appears to be right on. Some turntable platters will come with stroboscopic markings already on the edge. Example for 33.33 RPM 60 Hz: N = 60hz ÷ 33.33 = 1.800 × 60 = 108 markings. This combo allows absolute precision in setting speed. This app allows very precise control over the strobe light and is accurate enough to approximate the RPMs of a spinning fan or a turntable just like a stroboscope. Mobile Apps. By adding tag words that describe for Games&Apps, you're helping to make these Games and Apps be more discoverable by other APKPure users. With Strobe Frequency and Platter RPM known, solving for N: N = F ÷ RPM × 60 Where F = Strobe Light Repetition Rate or Frequency RPM = RPM of Turntable N = Number of incremental dots, lines or other icons, evenly spaced around the disc. There are a couple sites that offer them if you register. *New*: In-App Purchase to calculate WOW according to DIN IEC 386 (formerly DIN 45507). I downloaded the turntabulator app and it said I was at 33.13 while iRPM said 33.3 and 33.4. A quick recalibration of a turntable’s playing speed can often solve things, and will help to figure out how far off hitting the perfect 33 1/3 rpm or 45 rpm your record player actually is. See the RPM speed variations, wow/flutter, of your turntable in real time graphics like you've never seen before. Most commonly at 100 (50Hz version) or 120 times a second (60Hz version). I am starting to question the accuracy of these apps now. After countless tests with multiple designs and iterations, a design was created and a strobe frequency was tuned to make the slipmats animate. 45RPM @ 100Hz : 45RPM @ 120Hz : 33.3RPM @ 100Hz: 33.3RPM @ 120Hz . The RPM app: RPM - the turntable speed accuracy checker. Although strobe discs have been used for years, mobile apps have become a much easier, quicker and cheaper method – although some argue … RPM uses the gyroscope in your iPhone to determine the rotation speed of your turntable, automatically determines which speed setting you're on, and reports how accurate it is. As the iPhone rotates the display will remain stationary from your perspective for easy reading. There is a nice free app for iPhone's that will measure the speed during real playback, it's from the German TT maker Dr.Feickert, and is called "PlatterSpeed". You put on a test record ( I use one from Analogue Productions )and play a 3150 Hz test tone. We use cookies and other technologies on this website to enhance your user experience. Using a testrecord with a 3150 Hz track you can record and adjust with your phone from the loudspeaker in an endless loop. I then centered the belt on the spindle. ... as suggested by dp old strobe disc would be a more reliable means to check speed. I already own the KAB strobe and disk, along with the Walker motor controller. My turntable is the Pro-Ject xtension 10. To test my turntable’s speed, I use the stroboscopic system. If you have previously downloaded the strobe disc, the old one was designed using 33 RPM, so it was a bit off. The really great features to take note of with the KAB SpeedStrobe is the ease of use and absolute accuracy. - start the turntable and look at the rotational speed of it; - click "start" on the app and start the turntable: the app waits 10 seconds in order to have a steady speed, then acquires data for other 10 seconds and displays average, max-min RPM values and wow estimation. I measured my printed strobe disk with a precision steel rule and the spacing and exterior dimensions were right on, which is a good start. 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