Signal Processing Systems : Compressors & Limiters : Klark Teknik - DN504 Plus

Quad Compressor/Limiter with Switchable Knee Function

Model: DN504 Plus

Four channels of full function quick to set compression in only one unit of rack space
Switchable knee function provides for both hard and soft compression styles
Auto attack/release mode for inaudible compression and easy set-up
Manual attack/release mode for creating compression effects
Advanced VCA design for extremely low noise and distortion

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Quad compressor/limiter with switchable knee function. Enjoyed hugely increased popularity in recent years, due to the ever expanding use of in-ear monitor systems. This is because the unit can be configured into two stereo pairs, has all the superlative audio performance of the DN500 Plus, and fits two sets of stereo compression into just one rack space. This configuration also makes it extremely cost effective.

Four channels of full function quick to set compression in only one unit of rack space
Switchable knee function provides for both hard and soft compression styles
Auto attack/release mode for inaudible compression and easy set-up
Manual attack/release mode for creating compression effects
Advanced VCA design for extremely low noise and distortion
Separate side chain inputs are provided for each channel
Gain reduction and output level metering is provided for each channel
Additional features include stereo link function which provides two pairs of stereo channels
XLR connectors fitted as standard for main audio terminations, with transformer balancing available as an option

Compressor Type - Software

Channel Separation: >90 dB at 1kHz
Depth: 292.10 mm
Depth: 292mm (11.5 inch)
Dynamic Range: >115 dB
Frequency Response: 20Hz to 20kHz, ±0.5 dB
Height: 44.45 mm
Height: 44.5mm (1.75 inch)
Width: 482mm (19 inch)
AC Voltage: 240 Volts
Input four type: Electronically balanced (pin 2 hot)
Side Chain Inputs Four Type: Electronically balanced (tip hot)
Audio Outputs Four Type: Electronically balanced (pin 2 hot)
Minimum Load Impedance: 600 ohms
Source Impedance: <60 ohms
Maximum Level: +21 dBu
Equivalent Input Noise: <-94 dB (20Hz to 20kHz unweighted)
Distortion (at +18dBu): <0.03% at 1kHz
Compressor Threshold: -30 to +20 dB
Compressor Ratio: 1:1 to 50:1
Compressor Knee: 1 (Hard) to 40 (soft) dB
Compressor Envelope: switchable auto (attack and release controls disabled) or manual
Compressor Attack (90% capture): 50us to 20ms
Compressor Release (90% recovery): 60ms to 2 secs
Compressor Output Gain: -10 to +30 dB
Power: IEC
Width: 482.60 mm
Product Weight: 4 kg
Shipping Weight: 6 kg

Klark Teknik - Full Line Brochure.pdf 4559 kb - Brochure

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