Can generate the corresponding 50/60HZ frequency flash source according to the frequency of household power supply 50/60HZ, almost suitable for being used in all countries in the world. Used with the tachometer disc in the package to adjust the speed of your record player to the most accurate position and ensure the most accurate sound output. 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Sign Up Now ! 50/60Hz LP Turntable Speed Test Lamp Hand-held Strobe Unit & Stroboscopic Disc Item description Features Can generate the corresponding 50/60HZ frequency flash source according to the frequency of household power supply 50/60HZ, almost suitable for being used in all countries in the world. Used with the tachometer disc in the package to adjust the speed of your record player to the most accurate position and ensure the most accurate sound output. The strobe light uses 15VAC power supply, and the ultra-low voltage is used to ensure that you are protected from electric shock during use, and it is safe and effective. 3W high brightness LED output, can be used in any environment. Whether day or night, indoor or outdoor. Small size, easy to use and convenient to collect. How to use: 1. Place the tachometer disc on the turntable of the record player and turn on your turntable. 2. Turn on the strobe light, align the light to the tachometer disc , try to put it closer and about 5-10 CM is appropriate. 3. Eyes staring at the corresponding 33.3/45 speed stripe on the tachometer disc. If the stripes of the LED light must be stable and not moving, the rotation speed is correct; If the stripes on the disc are moving slowly clockwise, the turntable is running fast; If the stripes on the disc are moving slowly anticlockwise, the turntable is running slow. 4. If your turntable is adjustable, please adjust the rotation speed of the disc until the corresponding speed strip stops. 5. If your turntable is not adjustable, first try a new drive belt. Drive belts can stretch over time causing minor speed variations. Great speed variations are more likely to be mechanical issues. 6. After adjusting the speed, remove the tachometer disc and put your vinyl record on the record player to hear the most accurate music. Packing List 1* Strobe Light 1* Tachometer Disc 1* Power Supply Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please don’t hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM – 18:00 AMNew York(US)Sunday to Thursday08:00 PM – 05:00 AMLondon(UK)Monday-Friday01:00 AM – 10:00 AMParis(FR)Monday-Friday02:00 AM – 11:00 AM During holiday, please allow us to response you early next week. 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