All models and materials are created in Blender 2.92 and rendered with Cycles.
You can browse the detailed shots and wireframes of each model at the following links:
Rob Allen Mb-2 Fretless Bass:
https://www.artstation.com/artwork/0nVB5Y
Aguilar SL 212 Bass Cabinet:
https://www.artstation.com/artwork/oAozXw
Aguilar Tone Hammer 500 Bass Head:
https://www.artstation.com/artwork/NxmBa5