SPL TDx 500 Series Transient Designer Module

SPL TDx 500 Series Transient Designer Module

SPL TDx 500 Series Transient Designer Module

SPL TDx 500 Series Transient Designer Module

SPL TDx 500 Series Transient Designer Module

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Expected availability: 7-14 business days

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Price:  $649.00

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SPL SPLTDXSERI500 overview

  • 1Description

The SPL TDx 500 Series Transient Designer Module is installed in a single slot of the 500-series rack module and is used to amplify or attenuate attacks and prolong or shorten the sustain. It features the Differential Envelope Technology (DET) that allows level-independent dynamic processing of signal paths by calculating differences in generated envelopes. These envelopes track the curve of the original signal to provide optimal results. Therefore, only two controls per channel are required to allow you to completely reshape the attack and sustain characteristics of a sound.

Thanks to the MIX (parallel mix) feature, you can continuously blend between the processed and unprocessed signal. The transient designer is suitable for use in professional recording, project or home studios, and in sound-reinforcement applications. Applied to single instruments or loops, it allows you to create new sounds and/or effects.

  • Single-slot 500-series rack module
  • Extended SPL’s original Transient Designer circuitry
  • Parallel Mix Control: Blend between processed and unprocessed signal
  • Attack Control: Amplify or attenuate attack of a signal by up to 15 dB
  • Sustain Control: Prolong or shorten the sustain of a signal by up to 24 dB
  • Differential Envelope Technology (DET) for level-independent envelope processing 
  • Output level control
  • On/bypass switch
  • Signal LED
  • Made in Germany


  • Processing drum and percussion sounds
  • Drums: ambience
  • Softening guitar sounds
  • Bass: Staccato vs legato
  • Backings


Table of Contents
  • 1Description


Type Balanced
Impedance 20 kOhms
Maximum Input Level +22 dBu
Type Balanced
Impedance 150 Ohms
Maximum Output Level +22 dBu
Frequency Range 10 Hz to 100 kHz
Noise -93 dBu (A-weighted)
Dynamic Range 116 dB
CMRR >-80 dBu (at 1 kHz, 0 dBu input level, unity gain)
THD+N 0.03% (0 dBu input level/unity gain)
Current Consumption 30 mA at +/- 16 VDC
Form Factor Singe Slot 500-series rack module
Weight 1.53 lb (0.65 kg)
Packaging Info
Package Weight 1.9 lb
Box Dimensions (LxWxH) 11.9 x 10.0 x 3.4"


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