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Active System Controllers
JBL Professional provides two active system controllers, the DSC280 and the DSC260.

The DSC280 Digital Controller DSC280 Spec Sheet


DSC280 Manual    Firmware Update
Digital Controller Tunings

Features 2, 3, or 4 way operation. two parametric equalization sections per output band, both overall and band specific delay, and 60 user memories. Password protection, and PCMCIA memory archive are also provided. A high resolution graphic display cleary shows all function parameters. LED are used to for output metering.

DSC280 Specifications:

  • Frequency Response: 15Hz - 20 kHz, +/- 0.25 dB
  • Configuration: 2-inputs, 1,2,3,4-way out
  • Inputs (Balanced): Analog: 2 Ch. Max level +20dBu, Pin 2+
  • Outputs (Balanced): 8 Bands, Max level 20 dBu, Pin 2+
  • Front Panel Controls: Mute for each output, Function, Parameter, Memory
  • Rear Panel Controls: AC voltage selection, +10 dB input switch
  • Display: LED for meters, mute, swtich enable, LCD screen for programming functions
  • Dynamic Range: >105 dB
  • Total Harmonic Distrotion: <0.01%, 20-20kHz @+10 dBu
  • Nominal Gain: 0dB (unity gain)
  • Limiters: User adjustable theshold
  • Sampling rate: 48 kHz
  • I/O convertors: 20 bit
  • Dimensions: 80 x 483 x 357 (3.5 x 19 x 14 in)
  • Weight: 6.8kg (15lbs)
The DSC260 Digital Controller DSC260 Spec Sheet

The DSC260 provides two inputs and six outputs that can be assigned to either or both inputs. Typical applications include stereo three way systems. The unique flexibility of the DSC260 allows each output to be tailored to the exact requirements. This allows mono systems with up to six bands or a combination of mono or stereo crossovers and delays. The user can select the slope and type of crossover as well as frequency, polarity, level and limiter thresholds. In addition, up to 30 bands of EQ can be assigned to inputs or outputs eliminating the need for additional outboard equipment. Signal delays can be assigned to any input or output independently and can be linked to other channels for stereo or delay tower operation. To assure optimum acoustic performance, careful consideration was given to the overall circuit design including high quality 20 bit A/D and D/A converters as well as minimal analog circuitry. The DSC260 achieves a very low noise floor, smooth amplitude response, and maximum dynamic range.

DSC260 Manual

Firmware Update


Digital Controller Tunings:

DSC280 and DSC260 factory settings for many of our loudspeaker systems.

DSC260 Specifications:

  • Frequency Response: 20Hz - 20kHz <+-0.5dB
  • Power Requirement: 100-240 Volts 50/60Hz +-10%
  • Configuration: Stereo 2 and 3 way, Mono 4, 5 and 6 way
  • Inputs (Balanced): 2 channels, Max. level +20dBu, 10k Ohms impedance, Electronically Balanced, XLR connectors, pin 2+
  • Outputs (Balanced): 6 channels, individually configurable, Max level +10dBu into 600 Ohms, Electronically Balanced, XLR connectors, pin 2+
  • Front Panel Controls: Softkeys for programming functions. Mute on each output and LED level meters on each input and outputs with clip, mute and limit
  • Display: 2 x 16 Character Backlit LCD
  • Crossover: Butterworth or Linkwitz-Riley with slopes of 12, 18, 24 or 48dB per octave
  • Assignable Equalization: An array of between 8 and 30 bands of parametric equalizer can be assigned to the inputs and outputs. Dependant upon slopes of crossovers used.
  • Dynamic Range: >100 dB
  • Total Harmonic Distortion: <0.05%, 20Hz-20kHz, @+10dBu
  • Limiters: Mid Band Limiters with variable threshold of -10 to +10dBu
  • Sample Rate: 46.875kHz
  • Storage and Recall: Pre programmed for JBL Systems with 60 user defined presets and Remote Midi Recall
  • Dimensions: 44.4 x 483 x 203 HxWxD (1.75" x 19" x 8")
  • Weight: 2.8 kg (6.2 lbs)

Copyright 2001 JBL Professional.
All rights reserved.