Turntable Power Supply Hum

A ground loop typically adds a loud low frequency hum or buzz as soon as you plug in any of various audio or video components including subwoofers cable tv outboard boxes satellite tv feeds tv displays amplifiers a v receivers or turntables.

Turntable power supply hum.

Turntable motor power supply kit principles to replace and upgrade motors on all brands of belt drive turntable. Paul shares with us the secrets of reducing and often el. Have the player power on and the hdmi cable connected but disconnect the front speakers of the system the hum stops. Getting rid of annoying hum can be a real challenge at times especially when it s from a turntable.

Other speakers do not seem have any impact in the situation. Lab points grounded power supply upgrade for pro ject dc turntables adds third prong for grounded power resulting in less noise interference solves ground related hum problems compatible w pro ject. The effect a good turntable power supply can have on sound quality is not something to be under estimated it can transform a record deck for a comparatively small investment. Unplug the video player power the hum stops.

The high power it is a three pin power supply with ground connection for pro ject turntables to get rid of these ground related hum problems especially occurring with amplifiers. There s a few different sounds that can go wrong with a turntable hum being one of the most common. Temporarily turn off and disconnect from the system any equipment unnecessary to the task of listening to records. The motor drive is essential to maintain speed stability and sound quality and here avid employs very powerful motors with state of the art dsp calibrated power supplies designed to eliminate.

Hum pickup from the power transformer of the associated electronics. If you wish to replace a faulty motor or power supply and at the same time massively upgrade your turntable performance then this inexpensive motor kit far exceeds most peoples expectations. Therefore we designed the high power it power supply. One at a time move the preamplifier and power amplifier and turntable power supply if it s an outboard unit to a different position relative to the turntable.

The buzz hum is a byproduct of the multiple power supply cables and a ground voltage differential. If a standard turntable is connected to such a floating mass amplifier audible hum will be the result. Because of the sheer number of turntables produced its very difficult to generalise about which ones work with which power supplies but we ve done our best to try to.