The HDtracks website gave itself a facelift while making themselves more user friendly. The new site will allow customers to get the information they need with fewer clicks and provide more info about each track. They also added a wishlist feature to keep track of future purchases. While there are some major improvements there are a few things that could still be added.
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HD tracks Gets a Facelift.
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I’m seeking info for sanctuary reverberation absorbsion material ( panels) and best placement.
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?