Klipsch RW-12d

This subwoofer has a classic dynamic characteristic, with high output at 62 Hz that falls off by 14 dB per octave below. It also delivers a true 20 Hz, however. Marked settings for the crossover-frequency control were accurate only in the middle of the dial.

In the lab

Frequency response (at 0.5 meter)
Flat: 35 to105 Hz ±2.1 dB
Punch: +3.6 dB from 35 to 100 Hz
Depth: + 2.6 dB below 75 Hz

Bass limits, Flat setting (lowest frequency and maximum output with limit of 10% distortion at 2 meters in a large room)

Frequency	dB SPL
62 Hz	115
50 Hz	112
40 Hz	110
32 Hz	107
25 Hz	98
20 Hz	86

Average maximum output, 25 to 62 Hz: 108 dB SPL
Maximum output: 115 dB SPL at 62 Hz
Bass limit: 20 Hz at 86 dB SPL

Crossover

Control Setting	Measured Frequency	Level Change
Off	105 Hz	–
120 Hz	94 Hz	-
100 Hz	82 Hz	-
75 Hz	77 Hz	-
50 Hz	70 Hz	-2.7 dB
40 Hz	60 Hz	-5 dB

Low-pass slope: 18 dB per octave

Print

Stumble It