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User Manual for SPL Transient Designer 4 Click to enlarge the picture
Contents of the user manual for the SPL Transient Designer 4
- Product category: Dynamics Processors SPL
- Brand: SPL
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for SPL Dynamics Processors
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User manual for the SPL Transient Designer 4 contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any SPL product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official SPL user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a SPL product will considerably shorten its lifespan!
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Product description The Model 9482 Transient Designer 4 from SPL is a four channel dynamic processing device that offers a different take on level-independent shaping of the dynamic response of a sound. With the Transient Designer, it is possible to control the attack and sustain behavior of a signal in a simplified way. Unlike other dynamic devices, the processing is not governed by the signal level but rather by its dynamic envelope, so all signals (loud and soft) are processed equally.
Only one pair of controls per channel allows you to emphasize or smooth the attack and extend or shorten the sustain of a sound event. 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 little effort, you can shorten or lengthen the attack of all kinds of percussive signals, such as the bass drum, snare, 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 many other signals: Amplify or reduce the picking sound of an acoustic guitar, hold the sound of the strings longer, reduce the reverb time of a choir, compress solo vocals, increase intelligibility, actuate the piano pedal "electronically", turn down the slap-bass a notch or give it even more attack, etc.
The Transient Designer provides a different concept for dynamic processing, rendering controls such as Threshold, Ratio and Gain superfluous, and provides a very elaborated automation. So, while the processing going on inside the box may be very complex, the user has to deal with only a pair of intuitive controls per channel.
Differential Envelope Technology
SPL's Differential Envelope Technology is an SPL analog solution for level-independent shaping of envelopes, allowing transients to be accelerated or slowed down and sustained, prolonged or shortened. The degree of dynamic processing required to do this couldn't be duplicated even using a chain of several conventional compressors, yet only two controls per channel are required to allow the user to completely reshape the attack and sustain characteristics of a sound. Attack can be amplified or attenuated by up to 15 dB while Sustain can be amplified or attenuated by up to 24 dB, enabling weak drum sounds to be made much more percussive and powerful, or for over-percussive transients to be softened. All necessary time constants (Attack, Decay and Release) are automated and optimized adaptively in a musical manner according to the characteristics of the input signal. This results in natural-sounding signal processing and fast operation.
The Transient Designer circuitry uses envelope followers to track the curve of the natural signal so that optimum results are guaranteed regardless of the input signal's dynamics. Because of the level-independent processing inherent in Differential Envelope Technology (DET), manual threshold adjustments are not required.
For stereo operation, the Link function connects channel pairs (1 and 2 and/or 3 and 4). Linked channels are controlled by the same side-chain voltage so as to maintain a coherent and stable stereo image. When operating in Link-mode, the control elements of the first (or third) channel, including the Active switch, control the second (or fourth) channel, too.
Each channel is equipped with a relay hard-bypass circuit to ensure a minimum signal path when the process is bypassed and to provide power-fail safety. The Signal-LEDs allow the user to quickly monitor the signal flow, which is particularly important if the four channels are connected to a patch-bay. The Transient Designer 4 is fitted with XLR connectors for balanced operation. - The attack of a bass drum or a loop can be emphasized with a single control to increase the punch and the penetration in the mix
- Sustain of a snare or room sound can be shortened very musically to clean up the mix for more transparency
- Acoustic or electronic instruments become "in the face" sounds or can be smoothened with lower attacks
- De-verb capability. Less Sustain shortens reverb flags of any sound
- Panorama effects based on different dynamic effects per channel - try this with loops for example
In the Box SPL Transient Designer 4 Limited 2-Year Warranty Table of Contents
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Technical parametersSPL SPLTRANDESI4 Specs | Inputs and Outputs | Instrumentation amplifier, electronically balanced (differential), transformerless, XLR
Nominal input level: +6 dB
Nominal input level: +6 dB
Input impedance: 22 kOhms
Output impedance: < 600 Ohms
Max. input level: +24 dBu
Max. output level: +22.4 dBu
Minimum load ohms: 600 Ohms
Relay Hard Bypass: yes
Power Fail Safety: yes | | Measurements | Frequency response: 10 Hz to 100 kHz (100 kHz = -3 dB)
EQ frequency range: 20 Hz to 100 kHz (100 kHz = - 3 dB)
THD &N: 0.004 % @ 1kHz
CCMR (common mode rejection): >-80 dBu @ 1 kHz
S/N CCIR 468-3: -89 dBu
S/N A-weighted: -105 dBu | | Power Supply | Toroidal transformer: 15 VA
Fuse: 315 mA
Ground-Lift switch , Voltage selector | | Dimensions (W x H x D) | Standard EIA 19" / 1U 19.0 x 1.7 x 9.3"" (482 x 44 x 237 mm) | | Weight | 7.8 lb (3.4 kg) | | | | Package Weight | 10.25 lb | | Box Dimensions (LxWxH) | 21.0 x 14.8 x 5.1" |
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