DN500 Plus Architect's & Engineer's Specification

The compressor/limiter shall provide two complete channels of compression, expansion, peak limiting and peak clipping.

The compressor section shall provide for adjustment of Threshold, Ratio, Knee, Attack and Release and have push button selection of auto or manual modes.

The expander section shall provide for adjustment of Threshold, Ratio and Release and have push button selection of Auto or Fixed attack times.

The limiter section shall provide for adjustment of Threshold and have push button selection of a Peak Clipper.

An output gain control and level meter shall be provided.

Gain reduction meters shall be provided for both compressor and expander sections.

The compressor/limiter shall meet or exceed the following specifications:

Distortion (THD+N) <0.03% @1kHz, +4dBu

Frequency response ±0.5dB (20Hz-20kHz)

Dynamic Range (20Hz-20kHz unweighted) >115dBu

Compressor Attack time 50µs-20ms

Compressor Release time 60ms-2 secs

Maximum output level into 600 +21dBu

Push button switches shall be provided to select compressor, expander and channel bypass and to link both channels for stereo operation. Side chain inputs shall be provided for both compressor and expander sections.

Channel inputs and outputs shall be via XLR style connectors, external side chain inputs shall be via 1/4” jack. A tamperproof front panel cover shall be available to fit the unit.

The compressor/limiter shall be 19” standard rack mountable and 1U high. The unit shall be capable of operating from a 115/230V 50/60Hz AC power source.

The compressor/limiter shall be the Klark Teknik Model DN500 Plus and no alternative specification option is available.

DN504 Plus Architect's & Engineer's Specification

The compressor/limiter shall provide four complete channels of compression.

Each channel shall provide for adjustment of Threshold, Ratio, Attack and Release and have push button selection of auto or manual modes and hard or soft knee. An output gain control and level meter shall be provided. Gain reduction meters shall also be provided for each channel.

The compressor/limiter shall meet or exceed the following specifications:

Distortion: <0.03% @ +4dBu (1kHz)

Frequency response: +/- 0.5dB (20Hz-20kHz)

Dynamic Range (20Hz-20kHz unweighted) >115dB

Compressor Attack time: 50 50us-20mS

Compressor Release time: 60mS-2 secs

Maximum output level into 600 ohms: +21dBu

Push button switches shall be provided to select channel bypass and to link adjacent channels for stereo operation. Side chain inputs shall be provided for each compressor section. Channel inputs and outputs shall be via XLR style connectors, external side chain inputs shall be via 1/4 inch jack. A tamper proof front panel cover shall be available to fit the unit.

The compressor/limiter shall be 19" standard rack mountable and 1U high.

The unit shall be capable of operating from a 115/230V 50/60Hz AC power source.

The compressor/limiter shall be the Klark Teknik Model DN504 Plus and no alternative specification option is available.

DN514 Plus Architect's & Engineer's Specification

The noise gate shall provide four channels of frequency-conscious gating with each channel having adjustable low and high cut 12dB/octave side-chain filters, variable from 20Hz-5kHz and 80Hz-20kHz. Adjustable threshold and release controls shall be provided for each channel and attack time shall be semi-automatic and switch-selectable for use with normal or percussive programme material.

The noise gate shall meet or exceed the following specifications:

Distortion: <0.03% @ +4dBu (1kHz)

Frequency response: (0.5dB(20Hz-20kHz)

Noise floor: -100dBu gate closed (20Hz-20kHz unweighted) <-94dBu gate open (20Hz-20kHz unweighted)

Attack time: 5us-2ms

Hold/Release time: 40ms-2 secs

Maximum output level into 600 ohms: +21dBu

Push button switches shall be provided to select channel and master bypass, side chain monitor and external key input. Channel inputs and outputs shall be via XLR style connectors, external key inputs shall be via 1/4" jack. A tamperproof front panel cover shall be available to fit the unit. The noise gate shall be 19" standard rack mountable and 1U high.

The unit shall be capable of operating from a 115/230V 50/60Hz AC power source.

The noise gate shall be the Klark Teknik Model DN514 and no alternative specification option is available.

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