iFi Audio GND Defender in Geneva | Digistore.ch
iFi Audio GND Defender in Geneva | Digistore.ch
iFi Audio GND Defender in Geneva | Digistore.ch
iFi Audio GND Defender in Geneva | Digistore.ch
iFi Audio GND Defender in Geneva | Digistore.ch
iFi Audio GND Defender in Geneva | Digistore.ch
iFi Audio GND Defender in Geneva | Digistore.ch
iFi Audio GND Defender in Geneva | Digistore.ch
iFi Audio GND Defender in Geneva | Digistore.ch
    iFi Audio GND Defender in Geneva | Digistore.ch
    iFi Audio GND Defender in Geneva | Digistore.ch
    iFi Audio GND Defender in Geneva | Digistore.ch
    iFi Audio GND Defender in Geneva | Digistore.ch
    iFi Audio GND Defender in Geneva | Digistore.ch
    iFi Audio GND Defender in Geneva | Digistore.ch
    iFi Audio GND Defender in Geneva | Digistore.ch
    iFi Audio GND Defender in Geneva | Digistore.ch
    iFi Audio GND Defender in Geneva | Digistore.ch

iFi Audio GND Defender | Mains ground loop breaker

69633
CHF99.00 Tax included
Supplier stock – typically 4 to 7 days
iFi Audio GND Defender, a ground loop breaker that plugs into the IEC mains inlet of an audio component. It detects the ground loop and cuts it to silence the hum, without removing the safety earth.
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Supplier delivery time usually 4 to 7 days

Small white unit plugged into the back of an audio component, mains lead on the floor

Ground loop hum

An ideal system has a single earth. When several components are each earthed to the mains, a ground loop forms and the speakers let through a low, steady hum. Plugged into the IEC mains inlet of a component, the GND Defender detects that loop and cuts the ground of that component.

White adapter with a black IEC connector, three-quarter view on a black background

Safety earth retained

The GND Defender is not a simple ground lift: the protective earth of the component stays connected. If a fault occurs, the ground connection is reinstated automatically so the current can pass, and the shielding against electromagnetic interference stays in place. The usual fixes, such as the cheater plug that drops the earth pin, sacrifice either safety or shielding, and many work in one country only.

GND Defender and DC Blocker stacked on the mains inlet of a component

Mains-grade components

Inside, iFi pairs a high-performance glass passivated semiconductor with an X7R capacitor. The case offers a dielectric strength of 1500 VRMS and is UL listed. The IEC connectors are hospital grade, for a firm contact with the mains lead and the component.

IEC side of the white unit with voltage and certification markings

Universal, compact use

The GND Defender accepts mains from 90 to 240 V and handles 10 A continuously, that is 1100 to 2400 W depending on the voltage, with a surge overload rating of 220 A. It measures 68 x 37 x 32 mm, weighs 61 g and does not block the neighbouring sockets. If several ground loops exist, one GND Defender per affected component may be needed, and it can be combined with the DC Blocker when the hum comes from the amplifier transformer.

69633

Data sheet

Product Type
Mains ground loop breaker
Features
Automatic ground reinstatement if a fault is detected
Continuous current rating: 10 A (1100 to 2400 W)
EMI shielding retained
Glass passivated semiconductor, 1500 VRMS dielectric strength (UL listed)
Surge overload rating: 220 A
X7R capacitor
Color
White
Technology
Intelligent ground loop detection
Passive
Application
Hi-Fi
Mains power conditioning
Connections
1 × IEC input / 1 × IEC output
Power consumption
90-240 V
Connector
Hospital-grade IEC connectors
Width
3.7 cm
Depth
6.8 cm
Height
3.2 cm
Unit weight
0.1 kg

Specific References

UPC
69633
EAN13
5060738784202
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