1970's Shin-Ei Uni-Vibe vs. Tinsley Audio Sir Henry Vibe

Blue/Black Swirl Sir Henry A/B'd with 1970's Shin-Ei Uni-Vibe. Running into a Bogner Ecstasy 101B into Bogner 4x12 with UK Vintage 30s. Listen to the tone of the dry as well as the pulse pattern, phase/swirl and volume of the throb.