The AVC2 can have two different levels set if required (different sound levels may be . For operation outside the above ranges contact Formula Sound Ltd. Find great deals for Formula Sound AVC2 Intelligent Stereo Automatic Volume Limiter Control Unit. Shop with confidence on eBay!. Formula Sound AVC2 – Intelligent stereo automatic volume control – sound limiter unit. UK List Price £ + VAT Provides system protection without reducing.

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Limit may be disabled by adjusting the internal threshold preset to a sufficiently high level. There is a character limit.

AVC2 Level Controller Signal Attenuator 1U

The control input is connected to the fire alarm or whatever fromula method has been decided. Audio inputs and outputs 3-pin XLR. The mixer or pre amp feeding the AVC2 will probably be clipping, but the system will actually be dormula a lower than normal level.

The reasons for installing this equipment would be to address: The level is reduced in discreet steps indicated by the L. Priority input socket is connected directly to priority output socket until the unit is triggered by the control input, then it is connected to all channels as set by the level control presets, and disconnected from the priority formmula socket. The limiting threshold and peak threshold each have a preset control under the front panel.


We cannot take away the knobs and controls which they need to do their job. Sonud remote output will drive solid state relays for external sign switching. Formjla Print with pricing Print unpriced. The unit contains no compressor or limiter, so the dynamic range of the incoming signal will be maintained. D bar graph meter on the front panel of the unit. Products you may also be interested in Not in tormula, please liaise with the sales team for manufacturer lead times.

That is to say when the control signal is removed the unit will not reset until the reset button is depressed. The Guardian has been designed to be connected between the mixer or pre-amp of an audio system and the power amplifiers.

The control circuit can be switched between linear and A-weighting. A clip indicator is provided to show when the input stage of the AVC2 is being over driven.

The attenuation is gently reduced as the input signal is reduced. It will interface with any existing or new sound installations, and is a four channel device, with a variety of application possibilities. Maturity, we are told, is knowing that you can turn a volume control down as well as up.

Formula Sound AVC2 Intelligent Stereo Automatic Volume Limiter Control Unit | eBay

It is possible to dim the signal by 20db if required. If the average operating level is kept below the internally set threshold, zound AVC2 has no effect.


As this signal level is directly proportional to the noise the loudspeakers produce we do not need a measuring microphone for the system to work. Afc2 impedance ohms, max.

This is a latching push-button, the position of which sets the reset mode. There is a character limit. The system will probably now sound distorted and generally not very nice but the volume will be at a lower than normal level.

This is by far the largest use of this product. The problem with sound systems is not the equipment, but the operators.

We have supplied units to several radio stations for this application. The Guardian also has the provision for controlling the maximum permitted volume level, often necessary when having to conform to noise pollution requirements.

Good stock available, however please liaise with formulw sales team on high quantity orders. If driven to maximum attenuation, the output level will be reduced by more than the increase in input level.

This is because it is fairly slow in its action and therefore has a response time of a few seconds depending on musical content.