Velodyne DLS-5000R

This subwoofer's operation was pretty straightforward. It can deliver 110 dB SPL or better from 32 Hz up, but its response appears to be cut off sharply, by design, below 25 Hz. Control function is reasonable, and the remote control is fun.

In the lab

Frequency response (at 0.5 meter)
Classical Jazz: 35 to 100 Hz ±2.8 dB
R&B: +1.5 dB from 50 to 65 Hz
Movies: +1.5 dB below 50 Hz
Games: +2.2 dB above 48 Hz, -2.2 dB below 43 Hz

Bass limits, Classical Jazz mode (lowest frequency and maximum SPL with limit of 10% distortion at 2 meters in a large room)

Frequency	dB SPL
62 Hz	114
50 Hz	113
40 Hz	112
32 Hz	110
25 Hz	91

Average maximum output, 25 to 62 Hz: 108 dB SPL
Maximum output: 114 dB SPL at 62 Hz
Bass limit: 25 Hz at 91 dB SPL

Crossover

Control Setting	Measured Frequency	Level Change
Direct	100 Hz	–
Noon (80 Hz)	80 Hz	-
50 Hz	52 Hz	-

Low-pass slope: 12 dB per octave

Full Review

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