Gsd 30 beetle datasheet

[email protected] www.go-sound.comInvisible Sound Solution Providers

GSD-30 Datasheet

GSD-30 Beetle

Product Overview

The Go Sound driver GSD-30 is a high-performance, driver designed for background music and speech reproduction in a wide range of commercial applications, including retail, restaurant and hospitality establishments. Clean design, slim styling invisibly blends into ceilings and walls.

The GSD-30 driver meets numerous standards for combination music and evacuation systems around the world.

Invisible sound experience www.go-sound.com [email protected]

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Product Information

The GSD-30 driver is engineered for installation in ceilings as well as walls and any type of resonating material .

The GSD-30 driver can be used as an 8-ohm, 30-watt connected to a low impedance amplifier as well as 70/100V paging.

Paging application can be set by using an innovative and compact toroidal transformer.

The performance of the GSD-30 driver can be maximized through the use of the recommended Go Sound instructions or by using equipment with parametric equalization.

The GSD-30 driver is acoustically compatible with the standards loudspeakers and can be integrated on the same line.

The GSD-30 driver meets numerous standards for combination music and evacuation systems around the world.


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TGSD-30 Beetle

Key Features

• Invisible Behind the wall installation• Clear, intelligible music and speech reproduction• Full-range response from 50 Hz to 15 kHz• Wide, even 180° flat coverage pattern • Single full-range driver• A Toroidal transformer provides easy-to-change for 70/100 V lines• Can be used with an 8Ω amplifier• Can be combined with the indoor and outdoor standards loudspeakers on the same line• Easy mounting permits fast and easy ceiling installation• Compliant to ANSI/UL 1480-2005

ApplicationsThe GSD-30 driver is well-suited for permanent installations in:• Retail stores • Concourses• Transportation facilities • Restaurants• Hospitality venues • Houses of worship• Swimming Pool• Hammam - Saunas


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TGSD-30 Beetle

Detailed Product Specifications


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Parameter Value

Power 30 W

Nominal Impedance 8 Ω

Maximum SPL pink noise 1m @rated power 99 db-SPL

Frequency range 50 Hz – 15 kHz

Directivity 180° Flat

GSD-30 Beetle

Additional Product Information

Performance of the GSD-30 can be maximized through the use of the recommended Go Sound instructions or by using other equipment with parametric equalization.

Frequency Response - Equalization Curve


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TGSD-30 Beetle

Weight: Product: 65g Shipping: 100g

Package contents: driver. Finish: Aluminium base, steel case

Connectors: welded cable

Driver complement: One full-range driver Construction features: • Flange: Aluminium• Cover: SSelf estinguishing plastic• Integral quick-install mounting features• Four mounting screwable points or sticker

Dimensions: Outer flange diameter: 79x2mm - Height 45 mm

Additional Product Information


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TGSD-30 Beetle


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TGSD-30 Beetle


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Standard Speaker

Standard Speaker

Go Sound driver

GSD-30 Beetle

Design Recommendations

When creating a design that uses Go Sound drivers, you should consider the following:

• The driver is ideally suited to background music and paging applications.

If your customer’s requirement is for a foreground music system, consider the GSD-30 driver.

• Recommended mounting height for the GSD-30 is between 2,5 and 10 m.

• Maximum SPL for a typical application is between 87 and 99 dB-SPL.

Coverage requirements vary for each application, and the loudspeaker spacing will vary based on mounting height and listener height.

Use the following two steps to calculate the required loudspeaker spacing distance for your application.


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TGSD-30 Beetle

Total system sound pressure level varies based on the mounting height, power installed and room acoustics. For typical applications, use the chart below to determine the total sound pressure level that will be achieved using the standard drivers


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Steps Action

1 Define covered area “S” in m^2

2Calculate n° of drivers:

sup[N=S*ᵦ/40]

Height Corrective Factor

< 4 m ᵦ=1

> 4 m ᵦ=1,2

> 8 m ᵦ=1,4

GSD-30 Beetle

For more detailed information, refer to the Go Sound Design reference Manual


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height [m] 2,5 3 3,5 4 4,5 5 5,5

Power [W]

1 87 84 82 79 78 76 75

2 90 87 85 82 81 79 78

4 93 90 88 85 84 82 81

8 96 94 91 88 87 85 84

16 98 96 93 90 89 87 85

30 99 97 95 92 90 88 86

GSD-30 Beetle

Engineers’ and Architects’ Specifications

The driver shall be a 30-watt, system utilizing one full-range driver. The driver shall be designed for installation in ceilings up to 10 m high.

The driver shall have a nominal rated impedance of 8 ohms and shall be wired in parallel with a line voltage matching (step-down) toroidal transformer for various output such as TR-3030 .

The driver spring-loaded input connector will allow for direct connection to either 70V, 100V or low-impedance amplifiers.

Each driver shall have a bandwidth of 50 Hz – 15 kHz and a maximum continuous acoustic output of 99 dB-SPL, referenced to a full bandwidth pink noise input at 1 meter at the loudspeaker’s rated power.

The driver shall meet numerous standards for combination music and evacuation systems around the world.

Power settings available shall be: 30W, @ 70V or 100V (when referenced to IEC noise for 200 hours).


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Safety and Regulatory ComplianceThe Go Sound Driver has passed extensive testing and complies with the following specifications and uses: such as

• Fire Protective Signaling Use• General-Purpose Use• Suitable for installation using Class 1,2,3 wiring methods in accordance with NFPA 70, National Electric Code, 2002, Article 640.• Suitable for use with fire alarm circuit wiring methods in accordance with NFPA 70, National Electric Code, 2002, Article 760.• UL-2043, Fire Test and Visible Smoke Release for Discrete Products and their Accessories Installed in Air Handling Spaces.• NFPA 70, National Electric Code, 2002, Article 300-22 (c).• NFPA 90-A, 2002, Installation of Air Conditioning and Ventilation Systems, Paragraph 4.3.10.2.6.5.• EMC Directive 89/336/EEC and Article 10 (1) of the directive, EN50081-1 and EN50082-1 as signified by the CE mark.The drivers is also has been designed to the requirements defined in the following European regulatory specifications for combination systems:• British Standard Code of Practice BS 5839, Part 8 (with PC-16).• Tested to IEC60268-5.Limited Warranty The Go Sound driver is covered by a 2-year transferable limited warranty.

Product Codes

GSD-15 - invisible driver 15 W - 8 Ohm GSD-30 - invisible driver 30 W - 8 Ohm

AccessoriesT-Amp II - Class T Stereo Amplifier

Replacement PartsNot required


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TGSD-30 Beetle

How our Loudspeakers are Measured

1. Power handlingFull-bandwidth pink noise, meeting the IEC Standard #268-5, is applied to the driver and amplified to a level at the driver terminals corresponding to the power handling of the driver. The loudspeaker must show no visible damage or measurable loss of performance after 200 hours of continuous testing.

2. SensitivityFull-bandwidth pink noise is applied to the driver with its active equalization curve and amplified to a level at the driver terminals corresponding to 1 watt, as referenced to the nominal impedance. The average sound pressure level (dB-SPL) is measured at 1 meter from the speaker in an anechoic environment.

3. Maximum SPL Full-bandwidth pink noise is applied to the driver with its active equalization curve and amplified to a level at the driver terminals corresponding to the long-term rated power handling of the speaker. The average sound pressure level (dB-SPL) is measured at 1 meter from the speaker in an anechoic environment.

4. Frequency rangeSine waves are injected into the driver, and the level is adjusted to 1 watt, as referenced to the nominal impedance, and the level measured at 1 meter. Resulting graph is smoothed by 0.05 octave-band.


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TGSD-30 Beetle

[email protected] www.go-sound.com

M2M Sound Italia s.r.l. via Savona 123, 20144 Milano

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Gsd 30 beetle datasheet