Drawmer SP2120 Now Available

Dec 5, 2003 12:00 PM, Editors


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The new Drawmer SP2120 Speaker Protector (MSRP: $849) eliminates the possibility of “unauthorized” excessive sound pressure levels on speaker systems that can result in damage to both chassis drivers and electronics. The SP2120 also gives venues the opportunity to comply with local legislation regarding noise levels.

Intended for insertion in the sound system immediately prior to the amplifier stage and taking a short time to install, the SP2120’s signal path combines a mixture of “multiple time constant” circuitry and automatic gain control (AGC) which allows small overloads to sound louder even though they are not.

The front panel of the 1-unit, 2-channel processor features an integral security lock to ensure that only key holders may make adjustments to the maximum volume levels. In “unlocked” mode, two front panel presets are available for adjustment by the installer. The first calibrates the 16-segment left/right bar graphs and the second sets the absolute volume level to which the system is allowed to perform.

If the SP2120 receives increased signal levels, then a transparent protection circuit is activated, which maintains the specified volume level without degradation in sound quality. There is no sound quality loss even during heavy protection processing.

The SP2120 eliminates sound system abuse and the resulting cost of chassis speaker recones, HF diaphragm replacements and amplifier repairs. It also reduces “call-out” costs of sound system service and repair engineers, and reduces sound system downtime and the consequential loss of venue income.

According Brad Lunde, president of Transamerica Audio Group, the U.S. distributor for Drawmer, “When contractors install house sound systems for multi-user and multipurpose applications, they often become high-maintenance projects. An SP2120 installed in the signal path immediately prior to the amplifier stage should assist the contractor to sleep more soundly knowing only he and the venue manager have a key. Drawmer protection at this price point is a real bargain.”

In other Drawmer news, the M-Clock is an affordable and highly specified multiple output master clock generator that incorporates four channels of sample rate conversion, with full up and down conversion locked to one master clock. The application of a single synchronization source eliminates the need to switch between internal and external sync as equipment is repatched.

By providing a single timing reference source for all digital devices, M-Clock's low-jitter, ultraprecise clock helps maintain optimum stereo imaging, lower noise and lower distortion. M-Clock provides eight output channels supporting 44.1kHz, 48kHz, 88.2kHz and 96kHz sample frequencies, with two channels additionally supporting 176.4 kHz and 192 kHz, and a further two channels offering 256Fs or Superclock synchronization. For devices that lack word clock connections, M-Clock also features four AES11 blank-frame sync outputs (44.1 kHz to 96 kHz), providing synchronization through each device's digital audio inputs using a “black” signal that carries no audio information.

For more, visit Transamerica Audio Group at www.transaudiogroup.com. For more sound reinforcement products, visit mixonline.com/live_sound_products/index.htm.

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