The SPL Transient Designer is a dynamic control unit which allows the processing of transients in an audio signal using intuitive controls.

The first device of its kind, the predecessor of all transient designers, was the Transient Designer 2 model 9946 from SPL. He originated from an idea by Ruben Tilgner, who developed the so-called Differential Envelope Technology and designed the Transient Designer on this basis. The result is a two-channel, 1U, 19-inch rack unit. Later, a four-channel version followed, which, in contrast to the two-channel version, has balanced inputs and outputs and also takes only 1U.

The Transient Designer allows you to emphasise or smooth the attack and extend or shorten the sustain. For the first time it is possible to shape the dynamic path of a signal as you want, as if for example you were changing the microphone distance and position after the recording has been made.

With no effort you can shorten or lengthen the attack of all kinds of percussive signals, such as the bass drum, snares, toms, congas etc. to give them more kick, or to flatten the signals. It s almost like being able to change the amount of drum damping after the recording. The same applies to virtually any other signal: Amplify or reduce the picking sound of an acoustic guitar, hold the sound of the strings longer, reduce the reverbtime of a choir, compress solo vocals, increase intelligibility, actuate the piano pedal electronically , turn down the slapbass a notch or give it even more attack, etc.


Instrumentation amplifier, electronically balanced (differential), transformerless
Nominal input level: +6dB
Input impedance: = 22kOhms
Output impedance: < 600Ohms
Max. input level : +24dBu
Max. output level: +22,4dBu
Minimum load ohms: 600Ohms
Relay Hard Bypass
Power Fail Safety

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