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RELAX
R8 EL
Subwoofer
2 ohm 210 mm (8 ‘’) subwoofer
for compact enclosure
Power Max 300W
• 210 mm (8 ‘’) subwoofer for compact enclosure
• Maximum power: 300 W / Nominal Power 150 W
• Frequency response 45 Hz - 500 Hz
• Impedance 2 Ohms
Steel basket with machined gasket - Rigid treated pulp cone - Butyl
rubber surround - Long life “conex” spider - 40mm voice coil, on ber glass former - 120 mm x 20 mm motor assembly - Machined
extended T yoke - Optimized for use in a 10 to 13 liter bass reex
enclosure - Grille included
ø 209
5
96.5
TECHNICAL SPECIFICATIONS
Component
Max power
Nominal power
Impedance
Freq. Response
Sensitivity (2,83V/1m)
Magnet
Magnet size Ø x h
Total driver displacement
Weight of one component
Voice coil Ø
Voice coil height
Cone
Subwoofer
300 W
150 W
2 :
45 - 500 Hz
90,6 dB
Ferrite
120 x 20 mm 4,724 ‘’x 0,787‘’
0,5 l 0,018 cf
2,3 kg 5,071 lb
38 mm 1,496“
22 mm 0,866 “
Rigid treated paper
FREQUENCY RESPONSE / IMPEDANCE
dB/SPL
100
90
80
70
60
50
40
30
20
10
0
10 100 1000 10000
Frequency Response
Impedance Z
Ohms
THIELE-SMALL PARAMETERS
effective Ø (d)
Sd
Xmax
Re
Fs
Le
Le
Vas
Mms
Cms
50
45
40
35
30
25
20
15
10
5
0
BL
Qts
Qes
Qms
Sensitivity (dB/W/m)
RECOMMANDED ENCLOSURES
Internal
volume Vb
10 7 cm 46 cm 47 Hz 46 Hz 4,0 dB at 73 Hz
15 7 cm 35 cm 44 Hz 39 Hz 3,5 dB at 61 Hz
25 7 cm 30 cm 40 Hz 35 Hz 3,0 dB at 53 Hz
Internal
ø port
8 x ø 5.5
ø 197
165 mm
213,82 cm
8 mm
2 :
35,58 Hz
487,73 µH @ 1 kHz
955,48 µH @10 kHz
20,82 L
61,72 g
0,000324 m/N
7,36 Tm
0,47
0,51
5,74
84,6 dB
Length
port
Fb F-3dB Boost
ø 181
ø 122
2
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www.blam-audio.fr
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