Vox Cambridge 15 vs Vox Pathfinder 15R

Before modeling took off, Vox had these. The Cambridge with a 12ax7 in the pre-amp and the Pathfinder with its all analog solid state sound. They look identical, but they sound different of course! But where is the majority of that difference coming from? Could it be the speaker? Take a listen and hear for yourself! Timestamps: Intro: 00:00 What am I doing?: 00:18 Vox Cambridge 15 Stock: 01:10 Vox Pathfinder 15R Stock: 02:06 Vox Cambridge with Pathfinder speaker: 03:04 Vox Pathfinder with Cambridge speaker: 04:12 Final thoughts: 05:17 Thank you!