Audio Sensibility Grounding Devices

Audio Sensibility Grounding Devices
Audio Sensibility Grounding Devices are designed to expand the music soundstage and allow better presentation of low level detail.
These devices are made from ultra-pure fine Litz wire and contain no active components (resistors, capacitors, or other circuits).
Testament Grounding Devices provide great performance at a rock-bottom price. Statement Grounding Devices add high quality
silver to the construction and provide state-of-the-art performance. There are two types of grounding devices.
Loudspeakers
The devices plug into the negative (black) binding posts on the loudspeaker or amplifier end. The effect is stronger when connected
on the loudspeaker end versus the amplifier end. Try both ends to determine which ultimately sounds the best.
A single pair of the devices is required for loudspeakers with a single set of binding posts, or bi-wire loudspeakers (which are using
jumpers between LF and HF). This is the same whether connecting to the loudspeaker or amplifier end.
For bi-wired loudspeakers:
Two pairs of the devices are required if connecting on the loudspeaker end.
One pair of the devices are required if connecting on the amplifier end.
The devices come in the following termination styles:
Banana Plug (gold-plated copper - Testament) – used with spade or stackable banana plug terminated loudspeaker cables.
Spade (gold-plated copper – Testament) – used with banana plug based loudspeaker cables.
Bare 18AWG wire (OCC copper - Testament, OCC silver - Statement) – use for maximum performance. Can be used in all
applications, e.g. banana plug, spade, and other situations, e.g. connecting to terminal strips. See Bare-Wire Application Notes
for further details.
Audio Components
A single device is required per component and plugs into any unused analog input or output. The device only makes contact with the
ground connection and does not short the input/output. Do not plug the device into video or digital inputs or outputs.
The devices come in the following termination styles:
Bare 18AWG wire (OCC silver) with Plastic RCA cap holder (Statement) – plug into an unused RCA analog input or output.
Bare 18AWG wire (OCC copper - Testament, OCC silver - Statement). Can use for occupied RCA analog input or output.
Coming soon: XLR, 1/4" jack, 3.5mm jack.
General Advice
Start with a set of devices for your loudspeakers. If you are happy with the results you can try the devices on audio components,
typically CD players or preamplifiers. Like any tweak, results are system dependent, but we typically find a 95% success rate with
customers. To encourage you to try the devices, we offer a 45 day money-back guarantee.
If you are already using a grounding device such as the Acoustic Revive RGC-24 Ground Conditioner (MSRP $800.00) you may find
little additional benefit by adding the ground devices.
The back of this instruction sheet shows typical examples of Ground Device usage. By looking at the pictures you will get a
clear idea of how to connect the devices.
Some people find that securing the devices (when connected to loudspeakers) to reduce vibration is useful. A piece of cotton string
is provided with each device if you would like to test the effect.
Origin of the Devices
The Groundside Electrons diyAudio discussion thread started in May 2007 describes the construction and effects of these devices.
http://www.diyaudio.com/forums/parts/102180-groundside-electrons.html
Bud Purvine, an experienced audio professional and DIY evangelist, is considered to be the definitive expert on the devices.
The performance of the devices will vary widely depending on the materials used, manufacturing approach, and skill of assembly.
We believe that our implementation of these devices provide both exceptional performance and value.
There are a number of other commercial implementations of these devices including:
Audio Prism Ground Control, EVS Ground Enhancers
Grounding Devices – Application Notes
Single-Wire Speaker Connection
Banana Plug Device
Single-Wire Speaker Connection
Spade Device
Single-Wire Speaker Connection
Bare Wire Device
Bi-Wire Speaker Connection
Banana Plug Device
Bi-Wire Speaker Connection
Spade Device
Bi-Wire Speaker Connection
Banana Plug Device
Amplifier Connection
Banana Plug Device
Amplifier Connection
Spade Device
Amplifier Connection
Banana Plug Device
Use of cotton string to secure devices.
Audio Component Connection
RCA Cap Device
Audio Component Connection
Connection Rules

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