The "V30-EN1" is based on and seeking to recreate the sound of a 12 inch, 8-ohm, 55-Hz cone Celestion® T3903 Vintage 30 speaker made in February of 1991.
Below are the cabinet enclosures for which this speaker has been sampled in:
412 MRCB
Based on captures of: 1970's Marshall® 1960B checkerboard 4x12 cabinet