Townshend Audio Seismic Isolation Pods
- Eliminates structure-borne feedback between speaker and vibration sensitive equipment.
- Enhances clarity throughout the whole frequency range.
- Improves bass definition.
- Produces a wider and deeper sound stage.
- Sold individually
- Weight loading quoted is PER POD
Please select the correct pods for your chosen equipment by using the colour guide below and the drop down menu next to the price. The weights quoted are for 1 pod, as an example if you chosen equipment weighs 8kg and you want to use 3 pods then choose ORANGE, if your equipment weighs 20kg and you want to use four pods choose YELLOW
0.5kg – 1kg GOLD | 1kg – 2kg RED | 2kg – 4kg ORANGE | 4kg – 8kg YELLOW | 8kg – 16kg GREEN | 16kg – 32kg BLUE | 32kg – 64kg SILVER
Positioned under any piece of equipment, four Seismic Isolation Pods will dramatically improve the sound by breaking the acoustic connection between the audio system and structural vibrations in the room.
For asymmetric components such as a valve (tube) amplifier with the transformers at the rear, different load capability Seismic Load Cells™ can be used to balance the load.
The spring rates are as follows:
|Spring||Min weight||Max weight||Colour Code|
|AAA||0.5kg (1lb)||1kg (2lb)||Brown|
|AA||1kg (2lb)||2kg (4lb)||Red|
|A||2kg (4lb)||4kg (9lb)||Orange|
|B||4kg (9lb)||8kg (17lB)||Yellow|
|C||8kg (17lb)||16kg (35lb)||Green|
|D||16kg (35lb)||32kg (70lb)||Blue|
|E||32kg (70lb)||64kg (140lb)||Silver|
The maximum load when using four E springs is 256kg (560lb). For loads above this, eight or more load cells may be required.
For out of balance loads where the centre of gravity of the component is not near the geometrical centre of the component, each support foot is screw adjustable in length to allow for this. If the degree of out of balance is too large, then it is suggested to use unequal springs.
For example, a with valve amplifier with the transformers at the rear, then use two “B” springs at the front and two “C” springs at the rear.
The simplest implementation is to utilise the Seismic Pods in sets of four. It is possible to utilise three pods, but this arrangement is difficult to level satisfactorily and the effect of the weight of the cabling may also complicate matters.
It is advisable to dress the cables such that they do not act as a mechanical short circuit negating the effect of the Seismic Isolation. Common sense and a little experimentation is advised. Try to avoid very heavy and stiff cables.
If it is difficult to position the individual Pods, it is advised to employ the Seismic Sink Platform. The advantage here is that the equipment may be re-positioned without upsetting the level. Also, for very heavy equipment, it is very difficult to position the Pods whilst holding up the equipment single handed.
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