Film Lab Pump Recording

While working on the next HISSandaROAR library I was doing some recording in a workshop and I suddenly noticed this rhythmic sound start up in the ambience. I recorded a bit of it & then asked the guy helping me what it was – he took me through & showed me – it was coming from the film processing lab next door and was a pump for flushing chemicals etc… Of course I recorded some, but I went back through the doors to the workshop and recorded some distant/through the wall perspective just for a reference – the recordings in the lab were peaking at about -5dB while through the wall with doors shut it was -22dB, a 17dB shift… Have a listen (note I’ve cranked 9dB of gain into the perspective) It’d be fun to take some percussionists into the lab & have them play along to the solid pulse of the pump!