Loading... Please wait...Compressors were originally devised to reduce the dynamic range of audio signals. To do this they use gain modification that makes adjustments to signal levels automatically, dependant on the level and dynamic of the signal itself, and upon the character and control settings of the particular compressor unit.
Throughout the history of dynamics processing many different types of compressor have been produced using many different types of gain technology. Each type has a distinctive sound. Users have found many applications which benefit from these often unintentional compression audio artifacts, taking the use of compressors far beyond simple dynamic range reduction, sometimes even generating the complete reverse; dynamic enhancement. It is with these creative applications in mind, that the DN540 has been designed to offer a latency-free, comprehensive and compact dynamics processing package.
With its unique presence feature the DN540 will be especially useful on vocals to eliminate the "pumping" effects of spill and to add "air" to the sound without introducing noise.
Inputs - Four
Type: Analogue, electronically balanced female XLRs (Pin 2 hot)
Impedance: 10kΩ
Maximum input level: +22dBu
Common mode rejection: Typically, -80dB at 1kHz
Outputs - Four
Type: Analogue, electronically balanced male XLRs (Pin 2 hot)
Signal drive capability: <600Ω
Output impedance: <60Ω
Maximum output level: +22dBu
EXT inputs - Four
Type: Analogue, electronically balanced Jack sockets
Impedance: 20kΩ
Maximum input level: +22dBu
Common mode rejection: Typically -60dB at 1kHz
Performance
Maximum signal level any input or output: +22dBu
Frequency response: ±0.5dBu (input to output), 20Hz to 20kHz
Dynamic range: >116dB (22Hz to 22kHz unweighted)
Noise at main output with unity gain: -94dBu
Distortion at 1kHz 0dBu with steady unity gain condition: <0.05%
Signal delay: 0 seconds
Compressor
Threshold scale: -50dB to +25dB
Ratio scale: Minus infinity (-4):1 to 1:1
Attack scale: 0.1s to 20ms
Release scale: 50ms to 2s
Presence scale: Minimum (flat) to maximum (-3dB at 5kHz)
Gain scale: 0dB to 18dB
Terminations
Audio: 3-pin XLRs (male and female) and 1/4" TRS balanced Jack sockets
Power: 3-pin IEC
Power Requirements
Voltage: 100VAC to 240VAC ±10%
Frequency: 50Hz to 60Hz
Consumption: <25W
Dimensions
Height: 44.5 mm (1.75"), 1U high
Width: 483 mm (19")
Depth: 305 mm (12")
Weight
Net: 4.6 kg
Shipping: 5.6 kg
Operation
Temperature: +5°C to +40°C
Storage
Temperature: -20°C to +60°C
*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the DN540.
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