If you want simply the best vintage Uni-Vibe sounding pedal available, then look no further than the Ultra Vibe II. The Ultra has the modern advantages of true bypass 1/4 W carbon comp resistors custom-made photocells and the right bulb, a smaller footprint (4 3/4" X 6 5/8") for more room on your boards. Soundwise, the Ultra-Vibe has few peers. It's warm and breathy with a lush 3-D liquid quality that envelopes your signal effortlessly