There’s only so much of that one can take and periodically one’s pipes need a good clean out; and nothing seemed more appropriate than playing all of the first, eponymous Led Zeppelin [Atlantic] album from one end to the other, starting with ‘Good Times Bad Times’... and it sounded like it was the first time I had ever heard it. Wow! THREE D by name, THREE D by nature. The Vermeer Model THREE D produces an extremely holographic soundstage. If that was all, it would probably be enough, but as it follows closely in the footsteps trodden by its bigger brother, at a fraction of the cost and one third the weight it’s a hard thing not to love.