6
Frequency response:
27 V1
Vented enclosure
15 liters (0.53 cu. ft)
F - 3 = 46Hz / Fast and tight bass
20 liters (0.71 cu. ft)
F - 3 = 40Hz / Punchy and dynamic bass
30 liters (1.06 cu. ft)
F - 3 = 33Hz / Deep and articulate bass
33 V1
Vented enclosure
30 liters (1.41 cu. ft)
F - 3 = 40Hz / Punchy and dynamic bass
40 liters (1.77 cu. ft)
F - 3 = 36Hz / Deep and articulate bass
40 V1
Vented enclosure
50 liters (2.12 cu. ft)
F - 3 = 43Hz / Punchy and dynamic bass
60 liters (2.83 cu. ft)
F - 3 = 40Hz / Deep and articulate bass
Polyglass Subwoofers Manual