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Old 23rd May 2019
Gear Head
technomind's Avatar

Originally Posted by chaseblissaudio View Post
Could someone clue me in as to what modular audio levels generally are (I know it probably depends on a lot of factors). I'm guessing it's a few volts peak to peak.
To my knowledge

-10 dBv (consumer line level) = 0.895v p-p
+4 dBu (pro line level) = 3.473v p-p
normal modular audio level = 10v p-p
peak modular audio level = 20v p-p

-10 dBv = -7.78 dBu
10v p-p = +13.2 dBu
20v p-p = +19.2 dBu

So yeah, of course line level is much closer to guitar level than eurorack is. Probably that would be A LOT of stuff not needed in a pedal box and that would drive size and cost.

Thinking about that, I´d say it´s more practical for now to keep things separated, do the conversion with available i/o modules and just find a nice way to mount pedals in a rack. The ones I own, some of them would even fit eurorack, but many eat 3U of 19" rack just for the box (and more with cabling on the top) - so wouldn´t fit Euro.

Looking at racking CBA, first bonus is audio i/o on the sides, that doesn´t ask for another U in the rack. Given that the DIP switches are on the top, it´s probably a bad idea to mount them flush to the other panels. So I start to accept the idea of just a plain rack panel with velcro and then build a vertical floorboard... let´s call it rackboard then