30 litres (1.06 cu.ft)
Fast and tight bass
40 litres (1.41 cu.ft)
Punchy and dynamic bass (best compromise)
50 litres (1.76 cu.ft)
Deep and articulate bass
Internal
volume
1
25l 30l 35l 40l 50l
A
335
13,19"
370
14.57"
370
14.57"
370
14.57"
450
17.72"
B
335
13,19"
370
14.57"
370
14.57"
370
14.57"
440
17.32"
C
400
15.75"
380
14.96"
435
17.13"
490
19.29"
440
17.32"
D
210
8.25"
237
9.33"
237
9.33"
237
9.33"
260
10.24"
SPL (dB) 1W/1m
Fréquence (Hz)
Internal volume calculation:
Vb = B x C x {D+(A-D)/2}
1 - External sizes in inches and millimetres with sides of 19 mm thickness
Calculating the internal volume
30 A1 DB - Sealed enclosure
Frequency response
25l 30l 35l 40l 50l
F-3 49Hz 47Hz 46Hz 45Hz 44Hz
Boost max. 2dB/80Hz 1.5dB/75Hz 1dB/70Hz 1dB/70Hz -
8
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