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Tweaker v2 - Point Source

The Tweaker v2 - Point Source is a tool designed to provide a visual guide for the high frequency dispersion of a speaker. Tweaker v2 - Point Source offer design improvements from Tweaker v1.

 

The product features a 50mW green laser module and 110° crosshair lens, bright enough to be visible in most auditoria*, with shutters to control the dispersion from the product aperture allowing the replication of both symmetric and asymmetric horns. The casing contains 2.5° increments between 5° to 50° allowing visual representation of horizontal and vertical dispersions between 10° to 110°: A 90° x 60°  point source, for example, is able to replicated by adjusting the shutters to 45° + 45° (horizontal) and 30° + 30° (vertical).

The product is USB-C rechargeable with a 500mAh battery. A latching switch, casing D-loop (for use at height with a lanyard),  and 15.5kg pull magnet on the rear of the device are included to enable the product to be secured to a ferrous speaker grille hands free. The initial prototype of the device was able to support its own weight on a JBL Control 1 grille which was used as the benchmark for minimum grille thickness.

Enhancements on the Tweaker v1 design include:

  • Brighter - A green 532nm laser module makes the Tweaker v2 - Line Array:

    • Easier to see in most auditoria and under brighter house lights ​due to it's differing in colour to the majority of auditorium seating. 

    • Perceptually brighter due to the photopic response of the retina

  • Greater Accuracy - 2.5° degree shutter increments offering ability to replicate all manufacturer's dispersion specifications.

  • Greater Battery Life - 500mAh battery (double that of Tweaker v1) and increased life due to reduced laser output power.

  • More Affordable - FDM printable PETG design reduces manufacturing overheads and lead time whilst maintaining strength.

*depending on the size of the auditorium and brightness of the venue house lights.

How It Works

To use the device:

 

1.

Refer to the manual or search online for the high frequency dispersion of the speaker you wish to focus.

2.

Adjust the shutters to the dispersion of the speaker (90° x 60° = 45° + 45° and 30° + 30° respectively)

3.

Place the Tweaker onto the speaker grille in line with the tweeter component.

4.

Activate the Tweaker v2 - Point Source by pressing the switch and adjust the speaker to the desired coverage area. WARNING – User must stand behind the laser aperture on the device when operating to prevent eye injury. Laser aperture is clearly marked on the casing.

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By using with the other products developed by Augment The Event; the Star Spangled Panner and Incline To Degree, the chosen speaker focus can quickly be replicated in symmetrical setups​

Anchor 1

Safety Note

  • The product contains a Class 3B laser module, this has been independently tested to be of a Class 3R classification outside of the laser aperture. This classification is capable of eye injury (https://www.lasersafetyfacts.com/3R/) and therefore should be used with caution by a trained professional and must never operated by a minor,

    • A magnet has been provided on the rear of the device to enable positioning of the Tweaker v2 - Point Source. Due to the strength of this magnet the Tweaker v2 - Point Source should:

      • not be operated by a person fitted with a pacemaker.

      • be stored carefully away from a computer device containing a solid state drive (SSD) to prevent data loss.

      • be placed with care upon a speaker grille to prevent injury from a crushed finger. The strength of magnetic attraction is dictated by the thickness and number of perforations of the grille material.

  • The rear magnet should always be used in conjunction with an extendable tool lanyard attached to the casing D-loop to prevent accidental damage or injury from the the Tweaker v2 - Point Source become detached from the speaker grille.

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