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BSS DPR 404 - 4 Channel Compressor / De-Esser

DPR 404 - 4 Channel Compressor / De-Esser

Price: £600.00
Location: United Kingdom
Condition: Used
Viewed: 3219 times
Date Expires: 28/07/2011
Item ID: 119026
 

DPR 404 - 4 Channel Compressor / De-Esser

BSS DPR 404 - 4 Channel Compressor / De-Esser

DPR-404 Quad Compressor/De-Esser

The DPR-404 is a 4 channel compressor with high frequency de-essing.

Each channel includes:

    * Threshold control

    * Below threshold metering

    * Ratio control

    * A gain reduction meter

    * A clip LED

    * Gain control

    * Linking

    * High frequency de-esser.

 Attack and release time constants are automatically and continually regulated by dynamic and harmonic content of program material.The unit features electronically balanced inputs and outputs.

The BSS DPR-404  Quad Channel Compressor / De-esser. The professional multi-channel dynamic processor.

The BSS DPR-404 answers the need for accurate and creative dynamics processing with a versatile 1U package comprising four-channels of advanced subtractive compressor / limiter and HF de-esser facilities, designed with the emphasis on flexibility and ease of use.

Each channel includes a variable Ratio compressor / limiter that features the proprietary BSS progressive knee" characteristic. This gives soft-knee, over-easy musicality at low Ratios, varying gradually towards dependable, hardlimiter precision at the maximum setting. Threshold adjustment is simplified by provision of an accurately calibrated control scale and continuous display of side-chain level up to the threshold point. Gain Reduction metering is also clearly integrated with this display to provide intuitive monitoring of the systems activity in use. Attack and Release time constants are automatically and continually regulated by the dynamic and harmonic content of the programme material, and so require virtually no attention from the operator. For maximum versatility, however, each can be selected to a FAST-Auto mode, allowing greater choice for creative treatment of individual sources. A gain make-up control an output Clip indicator assist with normalisation of operating levels and overload margins. Additionally, each channel also includes an advanced but straightforward HF De-esser. Previously only available as a dedicated mode on the acclaimed BSS DPR-402 dynamics processor, this facility gives you smooth, frequency - selective dynamic sibilance control quickly and without unpleasant side-effects or lisping. A dedicated two-led display shows you the extent of the sibilance processing, calibrated with a helpful enough" and too much" characteristic.

All the DPR404 high performance processing power is housed in a rugged 1U 19 inch steel case, with high grade electronics and hardware being supported by a robust power supply featuring superior line regulation and interference suppression.

The main features of the BSS DPR-404 include:

    * The professional multi-channel dynamic processor

    * Compact yet sophisticated dynamics processing that gets things done fast

    * Input Section - Impedance: Balanced 12k ohm differential, Max. Input Level: + 20dBv. CMRR: better than 50dB, 20Hz to 20Khz. Connector: XLR331 or equivalent.

    * Output Section - Impedance: Balanced and floating to drive 600 ohm loads. Max. Output Level: +20dBv into 600 Ohm load. Connector: XLR332 or equivalent.

    * System Performance - Frequency Response + 1DB, 20Khz, ultrasonic low pass filter 3db at 32kHz. Noise: Measured to CCIR 4682,

    * Operating Controls - De-ess Frequency: Variable from 10kHz to 10kHz, dynamic HF shelf turnover frequency. De-ess Threshold: Variable from +20dBv to 30dBv, independent of compressor/limiter settings. Threshold: Variable between +20dBv and 30dBv. Ratio: Variable from 1:1 to infinity:1 (LIMIT) progressive soft to hard knee characteristic. Attack: Program dependent, auto time constant. Nominal 200microsec (30 microsec FAST) for 10% response, and nominal 2ms (300 microsec FAST) for 63% response. Release: Program dependant, 2 part auto time constant. Nominal 10ms (2ms FAST) to 63% recovery after 4ms overdrive 10db above threshold, and nominal 1s (300ms FAST) to 63% recovery after 40ms overdrive 10dB above threshold. Gain: Variable from 20dB to +20dB. Link: Stereo linkable in pairs 1/2 and 3/4 Channels 1 and 3 become masters.

    * Metering - Gain Reducton: 8 point LED display showing progressive gain reduction from right to left calibrated in dB's. Below Threshold: 5 points LED display showing sidechain level below and up to threshold. Clip: Single LED showing onset of channel clip.

    * Size: 482mm x 44mm x 282mm (19 x 1.75 x 11 inches)

    * Weight: 5kg (11lbs) gross shipping

    * Electricity Supply: Switched 120/240V +10% 20% 50/60Hz

The unit features electronically balanced inputs and outputs.

 

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