SPL Transient Designer Plus
by Brainworx / Plugin Alliance · Transient Shaper · Level-independent
vst3s Score 9.3/10 · rated #1 of 10 transient shapers
The plug-in version of SPL's hardware Transient Designer, the original transient shaper. Its Differential Envelope Technology works without a threshold, so Attack and Sustain behave the same at any input level.
The Plus version adds a side-chain filter for targeting one element of a bus, a parallel Mix knob and a soft-clip limiter. It runs with zero latency, so it is safe while tracking.
Best for: Drums, Drum Bus, Guitars, Bass. Genres: all genres.
Keywords: bus processing, sidechain input, low latency, built-in mix knob, drum bus, bass, parallel processing, snare, soft clip, zero-latency, drums, electric guitar, mixing, external sidechain, kick, minimal controls, single-band, smooth, subscription, tight, tracking.
What it does
Brainworx's plugin version of SPL's hardware Transient Designer. It uses SPL's Differential Envelope Technology, so it shapes transients without a threshold: Attack and Sustain respond the same way whatever the input level.
- Two main knobs: Attack boosts or cuts the start of each sound, Sustain boosts or cuts its tail.
- Side-chain filter: narrows what the detector listens to, so you can target one element, such as the snare in a drum bus. Internal and external side-chain are both available.
- Mix knob: blends processed and dry signal for parallel processing without extra routing.
- Soft clip limiter: catches the peaks that boosting Attack creates, so the output doesn't clip.
- Other details: independent processing of the two stereo channels, and zero latency.
It is included in Plugin Alliance's subscriptions; the current version is 1.11.3.
Source: Brainworx / Plugin Alliance product page
When to use it
This is the classic two-knob transient designer, and the reference the others in the list are measured against. It has fewer shaping options than Waves Smack Attack or Boz Transgressor 3 and none of the frequency-specific processing of oeksound spiff or Softube Transient Shaper, but it is quick, predictable and level-independent, so settings keep working when a drummer plays softer or harder. Native Instruments' Transient Master is a cheaper take on the same idea.
- Best for: snare and kick close mics, tightening room sound, reducing cymbal bleed, and adding or cutting sustain on guitars and bass.
- Genres: all; it's a general mixing tool.
- Look elsewhere if: you want to choose envelope shapes (Smack Attack), EQ attack and tail separately (Transgressor 3), or fix harsh transients in one frequency range only (spiff).
- Tip: use the side-chain filter on a drum bus to lock the detector onto one drum, then back off the Mix knob if the effect is too obvious.
What producers say
Users describe it as the fastest way to fix a transient problem.
- Gearspace user review (Funkybot, 2016) gave 5/5 for sound, ease of use and features, praising the side-chain filter and the new Mix knob; it "takes the cake" among the reviewer's transient tools.
- Audiofanzine (2011, reviewing NI Transient Master) compared the SPL design's smoother, more natural sustain reduction with NI's harder cut.
- Gripes: the launch price drew criticism, though it has since been cut and is often on sale for less.
Where to buy
- Plugin Alliance: $49.99
Tutorials and reviews
- Introducing SPL Transient Designer Plus Plugin (Plugin Alliance)
- SPL Transient Designer Plus - Mixing With Mike Plugin of the Week (Mixing With Mike)
- SPL Transient Designer Plus - Adding Definition to Kick and Snare
- SPL Transient Designer Plus Tips and Tricks
- SPL Tansient Designer Plus : no joke !!
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