Undertone Audio Pyra-Sum No the rack and 500PRE will

the rack and 500PRE will provide years of reliable service

75 × 9 inches) — fits easily into a napsack

Robust but light housing made completely from aluminium

Remote Control: Supported

With a streamlined signal path of two custom-wound transformers and fourteen tubes

Undertone Audio Pyra-Sum No the rack and 500PRE willThe Ultimate Hybrid Mixing Setup The Pyra Sum is a passive summing mixer that has what other summing mixers don't: multiple cascading busses. This bussing architecture allows you to truly have the sound and workflow of a large format console but with even more sonic flexibility and in a much smaller format. We've left out any active circuitry, which means that you have total control of the coloration that's added in the makeup gain stagesit also means