Here are some links to YouTube videos (with timestamps) that show spring reverb sounds.  


Pedal
Channel
Video (timestamp link)
Notes
Context 2
Mark Johnston
A Deep Dive Into the Red Panda Context 2 | Secret Weapons Demo & Review (35:12)
Spring reverb algorithm with adjustments to EQ, balance, decay and tremolo (modulation), plus delay.
Context 2Mike Hermans
Red Panda Context 2 (10:49)
Spring reverb algorithm with adjustments to tremolo (modulation).
Context 2Emily Hopkins
Cyberpunk music, glitch orchestra, and... Mr. James (06:23)Harp with an expression slider to control the amount of tremolo modulation and spring reverb.
Context 2
Do Noise
Red Panda Context 2 Reverb (Stereo) (03:33)
Spring reverb algorithm with   adjustments to decay length and tremolo (modulation).
Context 2
Dennis Kayzer
Red Panda - Context V2 (06:37)
A lush mix of spring reverb with long decay and subtle tremolo (modulation).
Context 2
Get Offset
Red Panda Context V2: 8 Timeless Reverbs in One Pedal (14:56)
Spring reverb with adjustments to mix, pre-delay, decay, and tremolo (modulation) amount and rate.