{"title":"Turntable speed controller","description":"\u003cp style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;\"\u003eTurntable speed controllers are designed to provide more accurate and stable motor control, helping vinyl playback sound cleaner, smoother and more consistent. By supplying a precise and regulated power signal to the turntable motor, they can reduce unwanted speed variation, lower mechanical noise and improve timing accuracy across your records. At Spinning Room HiFi, you’ll find turntable speed controllers from Valhalla Electronics, available to hear and compare in-store.\u003c\/p\u003e","products":[{"product_id":"dual-ac-synchronous-motor-turntable-power-supply","title":"Dual AC synchronous motor turntable power supply","description":"\u003cp\u003eAC Dual Motor Turntable Speed Controller\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis AC dual motor turntable speed controller is designed to deliver highly accurate and stable platter rotation, improving timing, pitch accuracy, and overall musical performance. Many turntables do not run precisely at 33.33 rpm, and this controller corrects those variations, resulting in a tighter sense of rhythm and a more stable soundstage.\u003c\/p\u003e\n\u003cp\u003eThe unit features an optical platter speed sensor and OLED display, providing real-time feedback and precise monitoring. Using microprocessor control and advanced sine wave frequency synthesis, it ensures accurate and consistent motor drive.\u003c\/p\u003e\n\u003cp\u003eDesigned, assembled, and tested in the UK, the controller is fully CE and UKCA approved and supports both 110V and 220V operation as standard. It is compatible with a wide range of AC synchronous motors, including dual 110V motors or single 3 or 4-phase motors.\u003c\/p\u003e\n\u003cp\u003eThe system includes automatic speed calibration and PID-controlled feedback, allowing it to compensate for wear in belts, pulleys, bearings, motors, and stylus drag. This ensures long-term accuracy and consistent performance.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e• AC dual motor turntable speed controller\u003cbr\u003e• Optical platter speed sensor with OLED display\u003cbr\u003e• Microprocessor-controlled operation\u003cbr\u003e• Electronic switching between 33.3 rpm and 45 rpm\u003cbr\u003e• Automatic speed sensor calibration\u003cbr\u003e• Dual voltage support (110V \/ 220V)\u003cbr\u003e• Designed, assembled, and tested in the UK\u003cbr\u003e• CE and UKCA approved\u003cbr\u003e• Compatible with dual 110V motors or single 3\/4-phase motors\u003cbr\u003e• 30-day trial period with return option\u003c\/p\u003e\n\u003cp\u003eTechnical Highlights:\u003c\/p\u003e\n\u003cp\u003e• Frequency accuracy controlled to 0.001 Hz\u003cbr\u003e• Platter speed accuracy within ±0.003 rpm\u003cbr\u003e• PID feedback control for stable speed regulation\u003cbr\u003e• Compensation for mechanical wear and stylus drag\u003cbr\u003e• Adjustable motor parameters via USB serial interface\u003cbr\u003e• EEPROM storage for saved configuration settings\u003cbr\u003e• Super quiet mode to reduce motor vibration at full speed\u003cbr\u003e• Configurable auto start and sleep functions\u003cbr\u003e• OLED display showing speed and WOW\u003cbr\u003e• Stylus and bearing runtime tracking\u003c\/p\u003e\n\u003cp\u003eSpecification:\u003c\/p\u003e\n\u003cp\u003e• Motor Compatibility:\u003cbr\u003e– Two 110V AC synchronous 24-pole motors (Airpax, Philips, Linn etc)\u003cbr\u003e– One 3 or 4-phase AC synchronous motor (max 20 mA per phase)\u003cbr\u003e• Frequency Output: 50 Hz or 67.5 Hz\u003cbr\u003e• Frequency Accuracy: 0.001 Hz\u003cbr\u003e• Speed Accuracy: ±0.003 rpm\u003cbr\u003e• Power Supply: 110V – 230V, 50\/60 Hz (selectable)\u003cbr\u003e• Dimensions: 160 x 100 x 55 mm\u003c\/p\u003e\n\u003cp\u003eWhat’s Included:\u003c\/p\u003e\n\u003cp\u003e• AC Turntable Speed Controller\u003cbr\u003e• Optical platter sensor\u003cbr\u003e• OLED display unit\u003cbr\u003e• Documentation\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eIncludes a 30-day trial period. If not suitable, the unit can be returned in original packaging for a refund (excluding shipping).\u003c\/p\u003e\n\u003cp\u003eThis product is available for in-store demonstration. Visit the Spinning Room showroom in Leeds to experience the controller in person.\u003cbr\u003e\u003c\/p\u003e","brand":"Valhalla electronics","offers":[{"title":"Default Title","offer_id":58297866944896,"sku":"DL-AC-SYN-MTR","price":690.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200-1_88a5dc26-9f5f-41fe-a6c2-c4e78a03708f.png?v=1781876677"},{"product_id":"valhalla-electronics-zeus-linn-lp12-power-supply","title":"Valhalla Electronics Zeus Linn LP12 turntable power supply","description":"\u003cp\u003eZeus Turntable Speed Controller\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Zeus Turntable Speed Controller is a high-precision upgrade designed as a replacement for legacy motor control boards such as Linn Valhalla, Hercules, Lingo, and Mose. It is also compatible with a wide range of turntables using 110V synchronous motors.\u003c\/p\u003e\n\u003cp\u003eMany turntables do not run accurately at 33.33 rpm, often drifting significantly. The Zeus controller corrects these inconsistencies, delivering tighter timing, improved rhythm, and a more stable soundstage, enhancing overall musical performance.\u003c\/p\u003e\n\u003cp\u003eThe unit features an optical platter speed sensor and OLED display, providing real-time feedback and precise control. Using microprocessor-based control and advanced sine wave frequency synthesis, it ensures highly accurate motor drive and stable platter rotation.\u003c\/p\u003e\n\u003cp\u003eDesigned, assembled, and tested in the UK, the Zeus controller is fully CE and UKCA approved. It includes automatic speed calibration and PID-controlled feedback to compensate for wear in belts, pulleys, bearings, motors, and stylus drag.\u003c\/p\u003e\n\u003cp\u003eThe controller is designed to fit directly onto the original Linn Valhalla cross brace mounting and is compatible with upgrades such as the Linn Karousel bearing. It can also be installed in other turntables such as the Linn Axis (soldering required).\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e• High-precision turntable speed controller\u003cbr\u003e• Replacement for Linn Valhalla, Hercules, Lingo, Mose and similar\u003cbr\u003e• Compatible with 110V synchronous motor turntables\u003cbr\u003e• Optical platter speed sensor with OLED display\u003cbr\u003e• Microprocessor-controlled operation\u003cbr\u003e• Electronic switching between 33.3 rpm and 45 rpm\u003cbr\u003e• Automatic speed calibration\u003cbr\u003e• Designed, assembled, and tested in the UK\u003cbr\u003e• CE and UKCA approved\u003cbr\u003e• Fits original Linn Valhalla mounting\u003cbr\u003e• Compatible with Linn Karousel bearing\u003cbr\u003e• Installation service and DIY options available\u003c\/p\u003e\n\u003cp\u003eTechnical Highlights:\u003c\/p\u003e\n\u003cp\u003e• Frequency accuracy controlled to 0.001 Hz\u003cbr\u003e• Platter speed accuracy within ±0.003 rpm\u003cbr\u003e• PID feedback control for stable speed regulation\u003cbr\u003e• Compensation for mechanical wear and stylus drag\u003cbr\u003e• Adjustable motor parameters via USB serial interface\u003cbr\u003e• EEPROM storage for saved configuration settings\u003cbr\u003e• Super quiet mode to reduce motor vibration\u003cbr\u003e• Configurable auto start and sleep functions\u003cbr\u003e• OLED display with speed and WOW indication\u003cbr\u003e• Stylus and bearing runtime tracking\u003cbr\u003e• Class A motor drive circuitry with reduced heat output\u003c\/p\u003e\n\u003cp\u003eSpecification:\u003c\/p\u003e\n\u003cp\u003e• Motor Compatibility:\u003cbr\u003e– 110V synchronous motors (Linn, Premotec, Philips, Airpax etc)\u003cbr\u003e• Frequency Output: 50 Hz or 67.5 Hz\u003cbr\u003e• Frequency Accuracy: 0.001 Hz\u003cbr\u003e• Speed Accuracy: ±0.003 rpm\u003cbr\u003e• Power Supply: 110V – 230V, 50\/60 Hz\u003cbr\u003e• Mounting: Linn Valhalla cross brace compatible\u003c\/p\u003e\n\u003cp\u003eWhat’s Included:\u003c\/p\u003e\n\u003cp\u003e• Zeus Turntable Speed Controller\u003cbr\u003e• Optical platter sensor\u003cbr\u003e• OLED display unit\u003cbr\u003e• Documentation\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eIncludes a 30-day trial period. If not suitable, the unit can be returned in original packaging for a refund (excluding shipping).\u003cbr\u003eInstallation service available at the Spinning Room Leeds for £99, or optional Rota-jig V3 DIY service jig available for £349.\u003c\/p\u003e\n\u003cp\u003eThis product is available for in-store demonstration. Visit the Spinning Room showroom in Leeds to experience the Zeus controller in person.\u003cbr\u003e\u003c\/p\u003e","brand":"Valhalla electronics","offers":[{"title":"Default Title","offer_id":58297867043200,"sku":"VLH-LCT-ZS-LNN","price":595.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_403eaf2f-2bea-4b17-b588-01ea85ed219f.png?v=1781876678"}],"url":"https:\/\/thespinningroomhifi.co.uk\/collections\/turntable-speed-controller.oembed","provider":"The Spinning Room Hifi","version":"1.0","type":"link"}