Volume limits only allows negative values

Roon Core Machine

Windows 10, Intel(R) Core™ i9-9900K CPU @ 3.60GHz, Corsair Vengeance LPX DDR4 3600MHz 32GB

Connected Audio Devices

Hifiman HE6SE, Schiit Mjolnir 1, Schiit Modi 3+ (connected to pc by USB)

Description of Issue

When i get to the volume limit i can only enter negative numbers, if i enter a postitive number it gets removed instantly. Volume is determined by DSP. My concern is that the Modi won’t allow it, but i gotta check with you guys :slight_smile: thanks in advance.

Hi, welcome! Volume limits are in dB, so if the maximum volume is mapped to 0dB, anything lower than that will be negative, i.e. will represent attenuation. For example, -6dB is approximately 0.5 of maximum.

i’m a little slow when it comes to audiophile stuff, all i want to do is set a safety limit for 85db. Any tips?

Just to clarify here, you’re wanting to be sure that your system has a hard limit set so the SPL in the room isn’t more than 85dB?

Unfortunately, the numbers in Roon’s volume control (as well as the volume control on any of your devices) won’t correspond to actual sound pressure level in your room. There are way too many variables to allow that possibility.

Your best bet would be to download an SPL meter app for your phone and monitor the volume setting in Roon while ensuring that typical music doesn’t exceed your desired threshold. Use the maximum volume level setting that you achieve in Roon as the setpoint for the limit.

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No audiophile stuff here, just math and engineering.
Decibel - Wikipedia