PRO DG SYSTEMS GT 118 B Professional Sound System User Manual

PRO DG SYSTEMS GT 118 B Professional Sound System

Safety Indications

Please read it before use the system and keep for later use

PRO DG SYSTEMS® GIVES YOU THANKS FOR ACQUIRE THIS PROFESSIONAL SOUND SYSTEM FULLY DESIGNED, MANUFACTURED AND OPTIMIZED IN SPAIN, EXCLUSIVELY WITH EUROPEAN COMPONENTS AND WE WISH THAT YOU ENJOY WITH ITS HIGH QUALITY AND PERFORMANCE.

• This system has been designed, fabricated and optimized by Pro DG Systems® in perfect working order. To maintain this condition and ensure the right operation, the user must respect the following indications and advices of this manual.
  THE FIABILITY, SAFETY AND EFFICIENCY OF THE SYSTEM ARE ONLY AND EXCLUSIVELY GUARANTEED BY PRO DG SYSTEMS IF:

• Assembly, manipulation, re-adjustment and modifications or repairs are carried out by Pro DG Systems.

• The electrical installation complies with the requirements of IEC (ANSI).

• The system is used according to the use indications.

WARNING

• If protectors are opened or sections of chassis are removed, except where this can be done manually, live parts can become exposed.

• Any adjustment, manipulation, optimization or reparation of the system must be done only and exclusively by Pro DG Systems. PRO DG SYSTEMS IS NOT RESPONSIBLE OF ANY DAMAGE OF THE SYSTEM CAUSED BY A MANIPULATION, ADJUSTMENT, OPTIMIZATION OR REPARATION REALIZED BY
  NO-AUTHORIZED PERSONAL BY PRO DG SYSTEMS

• High loudspeaker levels can cause hearing damage, it must avoid the direct contact with loudspeakers operating at high levels, otherwise it must use hearing protectors.

MAINS CONNECTION

• The system is designed for continuous operation.
• The set operating voltage must match the local mains supply voltage.
• The units has to be connected to the mains via the supplied power unit or power cable.
• Power unit: never use a damaged connection lead. Any type of damage must be fixed.
• Avoid connection to the mains supply in distributor boxes together with several other power consumers.
• The plug socket for the power supply must be positioned near the unit and must be easily accessible.

PLACE OF SITUATION

• The system should stand only on a clean and totally horizontal surface.
• The system must not be exposed to any type of vibration during its operation.
• Avoid the contact with the water or wet surfaces. Do not place objects containing liquid on the system.
• Procure that the system has sufficient ventilation and do not block or cover any ventilation opening. Obstruct the ventilation may cause overheating in the system.
• Avoid the direct exposition with the sun and proximity with sources of heat or radiation.
• If the system undergoes an extreme change in temperature may affect its operation, before starting the system hope it has reached room temperature.

ACCESSORIES

• Do not place the system on a unsteady base that can be cause of damage to people or to the system, use it only with the trolley, rack, tripod or base recommended or supplied by Pro DG Systems following the installation indications. The system’s combination must be moved very carefully.
  The application of an excessive use of force and uneven floors can cause the combination of system and stand to tip over.

• Additional equipment: don’t use additional equipment wich has not be recommended by Pro DG Systems. The use of not recommended equipment can cause accidents and damage to the system.

• To protect the system during bad weather or when left unattended for prolonged periods, the main plug should be disconnected. This prevents the system being damaged by lightning and power surges in the AC mains supply.

IT IS RECOMMENDED TO THE USER READ THESE INSTRUCTIONS BEFORE USING THE SYSTEM AND SAVE FOR LATER USE.

PRO DG SYSTEMS IS NOT RESPONSIBLE OF AN INADEQUATE USE OF THE SYSTEM BY NO- AUTHORIZED PERSONNEL WITHOUT ENOUGH KNOWLEDGE OF USE.

THE USE OF THE PRO DG SYSTEMS PRODUCTS IS INDICATED FOR AUTHORIZED PROFESSIONALS THAT MUST TO HAVE ENOUGH KNOWLEDGE OF THE SYSTEM USE AND ALWAYS RESPECTING THE INDICATIONS SHOWED BELOW

INTRODUCTION

This manual is designed to help GT 118 B system users from Pro DG Systems to the correctly use and for the understanding of the benefits and versatilities of the same. GT 118 B is a high performance subwoofer system totally designed, manufactured and optimized in Europe (Spain) only and exclusively with European components, which converts it, within its range, in the most compact and potent subwoofer system existing in the market

GT 118 B
100% designed, fabricated and optimized in Europe (Spain). Exclusively with European components.

DESCRIPTION
GT 118 B is a high performance subwoofer system equipped with one (1) 18″ speaker in a tunned enclosure. Ideal as bass reinforcement for all the GT Series systems. To use as P.A. in outdoor events or permanent installation where it is necessary a high performance and SPL.

SPECIFICATIONS

• Power Handling: 1200 W RMS (EIA 426A Standard). Programme of 2400 W / 4800 W peak.
• Nominal lmpendence: 8 Ohm
• Average Sensitivity: 100 dB/ 2.83 V/1m (average of 50 – 1000 Hz wideband)
• Calculated Maximum SPL: / 1 m 131 dB continuous/ programme of 134 dB/ 137 dB peak
• Frequency Range: +/- 3 dB from 40 to 100 Hz
• Nominal Directivity: Omnidireccional.
• Low Frequency Driver: One (1) Beyma speaker of 18″, 8 Ohm, 1200 W, 485 mm in diameter with high temperature, glass fiber voice coil.
• Low Frequency Cut-off: 25 Hz Linkwitz-riley 24 filter – 100 Hz Butterworth 24 filter.
• Recommended Amplifier: Pro DG Systems GT 2.5, GT 4.0, GT 8.0 or Lab Gruppen FP 3400, FP 60000.
• Connectors: 2 NL4MP speakon connectors.
• Acoustic Box: CNC model, 18mm made from birch wood plated on the exterior.
• Finish: Standard black paint job.
• Box Dimensions: (HxWxD); 520x715x605mm (20,47″x28, 15″x23,82″)
• Weight: 47,6 Kg (104,94 lbs) net weight/ 48,8 Kg (107,59 lbs) gross weight with packaging

ARCHITECTURAL SPECIFICATIONS

INSIDE THE GT 1 1 B B
Inside the GT 118 Bis composed by one (1) Beyma speaker of 18″, 1200 W RMS. Specially designed under our own parameters for the best performance of the system.

KEY FEATURES

• 1200 W RMS power handling
• Sensitivity: 100 dB@ 2.83v
• Large Xmax allowing longer voice coil displacements
• Designed for subwoofer applications that require an extra power handling
• Extended controlled displacement: Xmax ± 9.5 mm
• Massive mechanical displacement of: 52 mm p-p

TECHNICAL SPECIF/CATIONS

• Nominal diameter: 460 mm. 18 in.
• Rated impedance: 8 ohms
• Minimum impedance: 6.2 ohms
• Power capacity: 1200 W RMS
• Program power: 2400W
• Sensitivity: 100 dB 2.83v@ 1m@2n
• Frequency range: 25 -2000 Hz
• Recom. enclosure vol.: 80 / 200 I 2.817 ft.3
• Voice coil diameter: 100 mm. 4 in.
• Magnetic assembly weight: 10.8 kg. 23.76 lb.
• 10.8 kg. 23.76 lb.: 26.3 N/A
• Moving mass: 0.215 kg.
• Voice coil length: 21 mm
• Air gap height: 12 mm
• X damage {peak to peak: 52 mm

THIELE-SMALL PARAMETERS

• Resonant frequency, fs: 40 Hz
• D.C. Voice coil resistance, Re: 5.1 ohms
• Mechanical Quality Factor, Qms: 15.11
• Electrical Quality Factor, Qes: 0.40
• Total Quality Factor, Qts: 0.39
• Equivalent Air Volume to Cms, Vas: 1981
• Mechanical Compliance, Cms: 93 μm / N
• Mechanical Resistance, Rms: 3.9 kg/ s
• Efficiency, T)O (%): 2.7
• Effective Surface Area, Sd {m2): 0.1250 m2
• Maximum Displacement, Xmax: 9.5 mm
• Displacement Volume, Vd: 1165 cm3
• Voice Coil Inductance, Le @ 1 kHz: 2.8 mH

Specially designed under our own parameters for the best performance of the system.

MOUNTING INFORMATION

• Overall diameter: 462 mm. 18.19 in.
• Bolt circle diameter: 438 mm. 17.24 in.
• Baffle cutout diameter:
  • Front mount: 413 mm. 16.26 in.
  • Rear mount: 400 mm. 15.75 in.
• Depth: 203 mm. 7.99 in.
• Volume displaced by driver: 131 0.46 ft.3
• Net weight: 12.5 kg. 27.56 lb.

The X max Is calculated as; (Lvc-Hag)/2 + (Hag/3,5) where Lvc Is the voice coil length and Hag is the air gap eight.

INSIDE THE GT 11 BB

FREE AIR IMPEDANCE CURVE POWER COMPRESSION LOSSES Note: Power Compression Losses were calculated after 5 minutes period applying a pink noise signal filtered between 40 and 200 Hz.
FREQUENCY RESPONSE & DISTORTION Note: on axis frequency response measured with loudspeaker standing on infinite baffle in anechoic chamber, 2.83 V @ 1 m.

RIGGING HARDWARE

Rigging Hardware frame for GT 118 B composed by: one (1) lightweight steel frame+ four (4) pinlock + one (1) shackle to support a maximum weight of a ton and a half. It allows elevate up a total of 16 GT 118 B.

• Optional Flight Hardware inserted in the cabinet
• Perfect interaction along with GT 2X8 L.A. ih Flight Mode, achieving a very compact and powerful set.

IMPORTANT: a misuse of the frame and components can be motive of cracking that could compromise the safety of an array. Using a damaged frame and components could result in serious mishaps.

RIGGING HARDWARE

GT 118 B allows interaction with different Pro DG Systems products, to provide the most exigent professionals the maximum versatility and performance depending of type of need and event.
Here are some examples of the GT 118 B interaction with different models of Pro DG Systems.

• Bracket with tray for allow the interaction between GT 118 B and GT 2X8 LA. in Stacking Mode.
• Bracket with tray for allow the Interaction between GT 118 Band IT 2M6 L.A. in Stacking Moue
• Excellent integration together with GT 2X8 l.A. and GT 1X12 L.A.
• Interaction bracket with M 15 & IT 212 P.A. in Stack Mode

ACCESSORIES

Pro DG Systems offers to their customers all type of accessories for their systems. GT 118 B has Dolly Board and Covers for transport, plus complete cabling for the system ready to use.

Dolly board and covers to transport two (2) GT 118 B. Perfectly dimensioned to transport at any type of truck.

• Entire cabling for the system available and ready for operation.

An updated pdf version of this manual is always available at www.prodgsystems.com

PRO DG SYSTEMS INTERNATIONAL

• Address: P.I. Santa Bárbara. C/ Aceituneros n°7 41580 Casariche (Sevilla). Spain
• Phone: † 34 954 011 095
• E-mail:info@prodgsystems.com
• export@prodgsystems.com
• Web:www.prodgsystems.com

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