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AUDIO COMPRESSOR LIMITER
 HIGH PERFORMANCE KIT RANGE
 Perfect Audio Every Time.....



In any sound broadcasting system the audio level must be controlled to prevent over modulation. The current trend is for broadcast stations to transmit a constant level of audio optimised to 100%. This gives the listener 'loud' audio and prevents constant re-adjustment on the receiver volume control. The Veronica Limiter Compressor is specifically designed to achieve constant 100% modulation without any over modulation using an FM broadcasting transmitter. The result is a professional sound on your station output with all music and speech inputs.

The Limiter Compressor circuit operates the audio gain around 3 individual time constants. These control a smooth AGC combined with a very fast attack on audio signal peaks. Audio compression and output level are constant for input levels between -6dBu and +24dBu. The limiter circuitry also includes built in pre-emphasis.

Some audio equipment, usually CD players output high frequency signals above the audio spectrum. Signals such as these entering a transmitter or stereo coder are very undesirable and cause many problems. The Veronica Limiter Compressor is correctly fitted with a 15KHz brick wall low pass filter to block the high frequencies.

Note: Stereo requires two units
• Peak Limiting with AGC Action • Better than 1 mS Attack Time
• Very Low Noise (-75 dBu S/N Ratio) • Very Low Distortion (0.2% at limiting)
• 30Hz-15KHz Frequency Response • 50uS Pre-emphasis (75uS USA)
• Standard 0dBu 775 mV rms Output • 3 LED's indicate Compression Level
• Single Supply Operation 11-16V DC • Very Large Audio Inputs Acceptable (up to +24dBu 12Vrms)



 

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