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Genelec 1031A Pair #4939/4941 (Used)

Active monitor pair

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Product Description

The Genelec 1031A is a two-way active monitor system, consisting of a vented enclosure with a multiple amplifier unit set into the back. The amplifier unit contains a low signal level active crossover, two power amplifiers and overload protection for each driver. This design provides high output, low coloration and broad bandwidth. The system's excellent dispersion and precise imaging together with its compact size make it ideal for near field monitoring, broadcast and TV control rooms, mobile vans, home studios and travelling engineers. Genelec's unique Directivity Control Waveguide (DCW) Technology is used to provide excellent stereo imaging and frequency balance, even in difficult acoustic environments. This is enhanced by the versatile crossover controls, which allow the precise matching of the speaker system to its surroundings. It is capable of producing peak acoustic levels of over 120 dB SPL at 1m. The system can be used in both vertical and horizontal orientation.

INTEGRATED CONSTRUCTION
The only connections to the system are the mains supply and the input signal, making it very easy to use. The cabinet, constructed from veneered MDF, is heavily braced and carefully damped to eliminate resonances, and the effects of port ringing, found in conventional designs, have been eliminated by using non resonant port techniques. Uniform performance is obtained by the integration of the amplifiers and speakers as a complete matched and calibrated package. The simple, rugged construction and the pivoting anti-vibration mounting makes maintenance very easy and straightforward. A more roadable producer's version of the 1031A is available (see Options). This has a hard wearing, textured outer surface, with rounded corners.


AMPLIFIERS
The bass and treble amplifierseach produce 120 W of short term power with very low THD and IM distortion. Special attention has been paid to the electronic design
to ensure the highest subjective sound quality currently possible. The system incorporates special circuitry for driver overload protection. Amplifier thermal overload protection is also included.


DRIVERS
The high frequencies are reproduced using a 25 mm (1") metal dome tweeter, housed in a proprietary DCW, which has pure piston behavior upto 23 kHz. The bass driver is a high efficiency 210 mm (8") polymer composite cone driver loaded in a 15 litre (0.54 cu. ft.) vented cabinet. The -3 dB frequency is 47 Hz and the
low frequency response extends down to 43 Hz. Both drivers are magnetically shielded for applications such as video post production, where the stray magnet field must be minimised.


CROSSOVER FILTERS
The crossover frequency is 2.2 kHz. To maintain uniform frequency
balance in differing acoustic environments, three special calibrated controls are included in the active crossover network: treble and bass tilt and bass roll-off switches. These make adjustments in 2 dB steps and also allow channels to be
muted, for test purposes. A high pass filter in the LF channel protects the woofer from subsonic signals. The crossover network is driven by an active balanced input stage, with adjustable sensitivity, to allow accurate level matching with the mixing console output.

DCW TECHNOLOGY
The revolutionary Directivity Control Waveguide Technology is a means of greatly improving the performance of a direct radiating multiway loudspeaker under normal listening conditions. One of the basic ideas is to match the
performance of the drivers in terms of both frequency response and directivity. This results in a smoother overall frequency response on and off axis. In addition, the improved directivity control causes more direct sound and less reflected sound to be received at the listening position. This provides improved stereo imaging and ensures the system is less sensitive to differing control room acoustics than any conventional direct radiator design. The DCW Technology improves the drive unit sensitivity by +2 to +6 dB thus increasing the system maximum sound pressure level.

More Information

Condition Used / Vintage
Active or Passive Active
Number of Speakers Pair

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