Ground Loop Isolator, Hum Eliminator

Ground Loop Isolator, Hum Eliminator, Buffer
Eliminate ground loop hum & run long cables.
This small buffered isolator is used for removing hum caused by ground loops and is suitable both for bass & guitar or any other signal at instrument level (even lower line level signals).
In case you have a ground loop you want to break (e.g. when using two amps) simply connect this isolator in the right place and this will stop the hum. The isolation is achieved with the use of an audio transformer with flat response, (20Hz-20kHz) and can be engaged with a toggle switch. When the isolation switch is set to OFF the device serves as a buffer.
It also features a phase reverse switch in case you need to flip the phase of your signal (useful if using multiple amps).

The circuit makes use of high impedance JFET transistors to achieve very high input impedance and very low output impedance ensuring the perfect impedance load on your instrument's pickups, while also sending the exact signal to your amp. Besides the isolation it also offers signal buffering and the capability of running long cables in he output.

▹ Input impedance: 5 Mohms
▹ Output Impedance: < 600 ohms
Voltage Required: DC 9-15 Volt (Use 12-15V if you need more headroom)
[Do not exceed recommended voltage! It may damage the circuit.]
▹ Polarity: negative tip
▹ Current Draw: 1.1mA @9V
▹ Unity gain
▹ Frequenct response: flat @ 20Hz-20kHz
▹ Weight: 88 gr
▹ Enclosure Dimensions: 52 x 56 x 23 mm (not counting the protruding jacks and switches)
▹ Anodized Aluminum Enclosure (grounded at the input)