Townshend
Townshend Seismic Speaker Bars (Set of 4 bars)
Townshend Seismic Speaker Bars (Set of 4 bars)
Regular price
£999.00
Regular price
Sale price
£999.00
Unit price
per
VAT included.
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Produce a wider and deeper sound stage.
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Enhance clarity throughout the whole frequency range.
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Improve bass definition.
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Eliminate structure-borne feedback between the speaker and vibration sensitive equipment.
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Allow for neighbour friendly high level listening.
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Eliminate irritating boom caused by coupling through the floor to adjacent rooms.
Seismic Isolation Bars are designed to break the acoustic connection between the speakers and the floor, thus preventing the passage of unwanted vibration between the two. Used in pairs under any speaker, be it floor standing, stand-mounted or sub-woofers.
Because of the very compliant nature of the Seismic Load Cells™, the speakers effectively float in the room at frequencies above 3 Hz. Each bar comprises a very strong steel cross-piece with raised ends under which are attached two Seismic Load Cells™.
When installed you experience The Seismic Effect! The sound improves dramatically, with wider stage width and greater depth and the sound becomes independent of the speakers. Bass becomes tighter and more real, with thuddy boom greatly reduced. A major plus is that the sound of the speakers is no longer transmitted through the structure of the building with the same intensity so your neighbours will probably not hear your music!
Conventional so-called rigid supports (spikes or cones) aim to hold the speaker cabinet ‘still’ at audio frequencies. However there will be coupling between the speaker and the floor and myriad resonance set up by the mass of the cabinet reacting with the unavoidable springiness of the floor, which can cause vibration of the building structure in the audio band.
Because of the very compliant nature of the Seismic Load Cells™, the speakers effectively float in the room at frequencies above 3 Hz. Each bar comprises a very strong steel cross-piece with raised ends under which are attached two Seismic Load Cells™.
When installed you experience The Seismic Effect! The sound improves dramatically, with wider stage width and greater depth and the sound becomes independent of the speakers. Bass becomes tighter and more real, with thuddy boom greatly reduced. A major plus is that the sound of the speakers is no longer transmitted through the structure of the building with the same intensity so your neighbours will probably not hear your music!
Conventional so-called rigid supports (spikes or cones) aim to hold the speaker cabinet ‘still’ at audio frequencies. However there will be coupling between the speaker and the floor and myriad resonance set up by the mass of the cabinet reacting with the unavoidable springiness of the floor, which can cause vibration of the building structure in the audio band.
Weights / Specs
The singular Seismic Load Cell is available with six different weight capacities, ranging progressively from 1kg up to 32kg. Virtually any weight of equipment can be isolated.
The spring rates are as follows:
The maximum load when using four E springs is 256kg (560lb). For loads above this, eight or more load cells may be required.
The spring rates are as follows:
| Spring | Min weight | Max weight | Colour Code |
| 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 |
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