RPM - Turntable Speed Accuracy 5.10

RPM - Turntable Speed Accuracy 5.10

Philip Broder – Freeware – iOS
out of 1645 votes
Latest Version
5.10
Safe to install
image/svg+xml VERY GOOD User Rating

The RPM Accuracy Test mobile app is a top-notch tool for turntable enthusiasts. This app allows you to analyze the RPM speed variations, also known as wow/flutter, of your turntable in real-time graphics. Its continuous display feature makes it effortless to make any necessary adjustments if your turntable supports it.

Whether your turntable operates at 16, 33 1/3, 45, or 78 RPM, this app enables you to test its speed and wow/flutter accuracy. Additionally, the app's Worldwide RPM Turntable Accuracy Database provides you with valuable insights into other users' experiences and opinions about turntable accuracy.

  • RPM proudly comes recommended by Rega Research Ltd, renowned makers of exceptional turntables.
  • The app has received a stellar review from Techmoan on YouTube.
  • RPM has also been used in high-end turntable reviews featured in Stereophile magazine.

With RPM, you can easily visualize the wow/flutter accuracy as the maximum percentage deviation from the average RPM of your turntable through both numerical values and graphical representation in a chart. Moreover, you can save all your RPM test sessions to the history log for future reference or sharing.

Using the gyroscope in your iPhone, RPM accurately determines the rotation speed of your turntable, automatically detects the speed setting, and reports its accuracy. Simply place your iPhone on your turntable, close to the center but not necessarily directly over the center spindle. As your iPhone rotates, the display will remain stationary for easy reading.

One unique and remarkable feature of RPM is its scrolling graph that visually represents the variation in RPM accuracy over time. This graph effectively displays wow/flutter effects caused by factors like uneven surfaces, belt wear, and stylus resting in record grooves. Additionally, RPM now offers a new innovative feature that visualizes wow and flutter variations as a heat map around the vinyl center, providing you with precise information on where inaccuracies occur in the turntable rotation.

While there are several methods available to test the average RPM of your turntable, RPM stands out for its ability to effectively demonstrate wow/flutter variation over time. Other turntables may have this feature built-in, but none make it as practical and accessible as RPM.

The app allows you to customize the parameters for the history graph, such as setting the moving average sample size and determining the accuracy threshold at which the RPM circle turns solid green. You can also set a duration for freezing the display updates after the turntable stops to ensure they can still be read.

The real-time display in RPM relies on the accuracy of your iPhone's gyroscope. If you suspect any discrepancies, Calibration Mode allows you to automatically test and apply necessary corrections in real-time. The auto calibration feature uses the compass to count turntable revolutions. However, please note that older iPhone models (prior to iPhone 6S) may provide unreliable results. In such cases, you can manually add your own multiplier if you have performed an independent calibration.

RPM has undergone extensive testing to ensure that it can help you set up your turntable within 0.1% of its target RPM, granted your turntable allows adjustments and remains stable within that tolerance.

Don't miss out on the World RPM Turntable Performance Database, which has amassed over 10,000 submissions from users worldwide. This database serves as the ultimate resource for researching the most accurate turntables available. To participate, upgrade your app and upload your own turntable data through the Settings menu. Make sure to set the Freeze time and conduct an RPM session as usual. At the end of the session, you will be prompted to name it and given the option to upload it to the World Database. You can also upload sessions from History at any time.

Upgrade to the premium version of the app to enjoy unlimited measurements, continuous display, access to all settings and speeds, and an ad-free experience.

Overview

RPM - Turntable Speed Accuracy is a Freeware software in the category Audio & Multimedia developed by Philip Broder.

The latest version of RPM - Turntable Speed Accuracy is 5.10, released on 10/11/2023. It was initially added to our database on 10/11/2023.

RPM - Turntable Speed Accuracy runs on the following operating systems: iOS.

Users of RPM - Turntable Speed Accuracy gave it a rating of 4 out of 5 stars.

FAQ

What is RPM - Turntable Speed Accuracy?

RPM - Turntable Speed Accuracy is a product designed by Philip Broder that measures and ensures the speed accuracy of turntables, enhancing audio quality.

How does the RPM tool work?

The RPM tool uses precision sensors to measure the rotation speed of a turntable, providing real-time feedback on its accuracy and any necessary adjustments.

Is the RPM suitable for all types of turntables?

Yes, the RPM tool is versatile and can be used with various types of turntables, including direct drive and belt drive models.

Can I use the RPM tool for vinyl records?

Absolutely! The RPM tool is specifically designed for vinyl record enthusiasts to ensure their turntables are playing at the correct speed for optimal sound quality.

Is the RPM device easy to use?

Yes, the RPM device features a user-friendly interface and straightforward instructions, making it easy for both beginners and experienced audiophiles to operate.

Does the RPM require batteries or USB power?

The RPM device is powered by a rechargeable battery for convenience and portability, eliminating the need for constant power outlets.

What types of measurements does the RPM provide?

The RPM provides measurements in RPM (revolutions per minute) with accuracy indicators to help users determine if adjustments are needed.

Is there a warranty or guarantee included with the RPM?

Yes, the RPM comes with a limited warranty that covers manufacturing defects and ensures customer satisfaction.

Where can I purchase the RPM - Turntable Speed Accuracy?

The RPM can be purchased directly from Philip Broder's official website or from select online retailers specializing in audio equipment.

Can I calibrate my turntable with the RPM tool?

Yes, the RPM tool allows users to calibrate their turntables accurately by providing detailed measurements that inform necessary adjustments.

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