Roland SDX-330 Dimensional Expander

Roland SDX-330
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The Roland SDX-330 is a high quality studio effects unit designed to provide exceptional digital effects such as Chorus, Flanging, Phasing and Delays along with a variety of pitch based effects.

High Quality Effects
The effects produced by this unit can rival those of much costlier devices (often found in professional studios). This is because the Roland SDX-330 uses 16-bit, 44.1 kHz digital processing, and was designed as a result of painstaking efforts directed at redefining and redeveloping all the essential features that a professional-quality.

RSS Technology
The Roland SDX-330 provides newly developed algorithms which can deliver effects that are quite revolutionary-including a ‘three-dimensional’ effects which has its early reflections localized in a multiple number of positions in space. New effects such as th is are possible thanks to the technological expertise accumulated through Roland’s development of the RSS (Roland Sound Space) system.

Full Stereo Support
With every stereo algorithm, the internal processing of the left and right channels is done independently. This assures that every detail of spatial localization contained in the input signals is retained even after effects have been applied.

Real-Time Parameter Control
The effects you obtain can easily and conveniently be altered while a performance takes place. Either pedals, or MIDI messages can be used to control specified parameters.

User Area/Preset Area
The 300 Program numbers of the Roland SDX-330 are divided into two areas; User Area and Preset Area.

User Area (Program Numbers 1—200): The Program Numbers in the User Area can be used to store effects you create.

Preset Area (Program Numbers 201—300): The Program Numbers in the Preset Area contain preprogrammed effect sounds. Effects you create
cannot be stored here. However, you can copy an effect from the Preset Area into the User Area and

The Program Numbers in the User Area can contain the following data:

  • Effect Sounds (the relevant parameters will differ depending on the algorithm)
  • Control Assign (5 types: settings for these are made when you wish to use a pedal connected to the SDX-330, or an external MIDI device to control parameters.)
  • Effect Name
  • Parameters displayed on the top line of the display
  • Order in which parameters are displayed
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Released: 1994
Quantization: 16 Bit
Sampling Frequency: 44.1kHz
Frequency Response: 20Hz-20kHz
Dynamic Range: 90dB
THD: Below 0.02%