Softsynth developer u-he has released a physical modelling spring reverb plug-in called Twangström. We have known about it for close to a year, following the sneak peek we got at last year’s Superbooth expo in Berlin. The time for the initial release has come, just a few weeks ahead from Winter NAMM 2019.
u-he’s spring reverb is an upgraded standalone version of the reverb unit from Bazille, one of the developer’s best-known synthesizers. It features an extra pair of reverb tanks in addition to a drive section, filter stage, envelope and mod matrix. The three spring reverb models are based on select units found in guitar and instrument amplifiers.
The simulation seems very detailed. You can literally shake the virtual springs and they will respond in an authentic manner. The rest of the reverb’s facilities have a lot to offer, too. The filter has low and high-pass modes with variable blend. The envelope section has four modes of operation (Envelope Follower, Attack and Decay, Attack and Release, or Cyclic) and accepts three types of input.
The LFO section offers 8 types of waveforms and can be tempo synced. There’s also a modulation matrix, and independent input and feedback routing lets the reverb operate in flexible stereo and mono configurations.
Twangström comes with 76 NKS-compatible factory presets and MIDI CC control options in addition to the modulation you can “orchestrate” via the matrix. Did I mention you can modulate the virtual springs themselves? Crazy! I’m pretty sure no other virtual spring reverb out there can pull this off.
Price and availability
Twangström costs EUR 69 and is available on Windows, macOS and Linux. A demo version can be downloaded and used with crackling sounds at irregular intervals. I think the price is quite reasonable considering the technical know-how and innovative algorithms running behind the scenes.