ue to the Raidho TD3.8’s bulk, I wasn’t able to bring it up the stairs from the driveway to our living room, where I usually measure loudspeakers. I therefore measured the speaker in the driveway, keeping its front baffle turned away from the sun so the drive units would stay cool. I used DRA Labs’ MLSSA system with a calibrated DPA 4006 microphone to measure the loudspeaker’s behavior in the farfield and an Earthworks QTC-40 mike for the nearfield responses. It wasn’t possible to raise the 183lb TD3.8 off the ground for the measurements, so the first reflection
