Owner's Manual

MEMPHIS
PR
A U 0 0 S I N C E 1 9 6 5
POWER REFERENCE
l'/ll'l PK% 0
8
8
1
'SUBJf/l/lFE/l SPECS
THIELE SMALL PARAMETERS 20
qo
20 110
Resonant Frequency (fs)
Hz
59 59
41
41
Mechanical Q (Qms)
5.55
5.44 5.45 5.55
Electrical Q (Qes) 0.98 0.9 0.76 0.67
Total Q (Qts)
0.833 0.772
0.69 0.63
Sensitivity
dB
82 82 84 84
Xmax Linear
i n. 0. 265 0.265 0.266
0.266
Displacement cf. 0.012
0.012
0. 023 0.023
Air volume of suspension (Vas) cf. 0.139 0.139 0.472
0.476
Moving Mass (Mms) g
46.6 46.6 71 .8 71 .8
Suspension Compliance (Cms) mmN
0. 159
0.159 0. 208 0. 21
Effective piston area (Sd) SqCm 132.73 132.73
213 .82
213 .82
Motor Strength (Bl )
TM
5.55 8.27 6. 68 9.95
VOICE COIL 6 IIABNET
DCR ohms 1.75 3.6 1.8 3.6
Impedance ohms 2 4 2 4
Voice coil diameter in . 1. 375 1.375 1.5
1.5
RMS Power Watts 150 150 200 200
Peak Power Watts 300 300 400
400
Magnet weight oz 30 30 33 33
Magnet diameter in. 4.75 4.75 4. 75 4. 75
PHYSICAL IIIMENSIONS
Mounting depth in . 3
3
3.89 3. 89
Cutout Diameter in .
5.67 5.67
6. 92
6. 92
Frame Outside Diameter in . 7.2 7.2
8. 63 8. 63
ENCLOSURE RECOMMENDATIONS
Single sub sealed
cf. 0.35 0.35 0.45 0.45
Dual subs Sealed
cf . 0.7 0.7 0.9 0.9
Single sub vented
cf . 0.5
0.5
0.7 0.7
Port dimensions
2" x 2" x 8.75"L
2" X 2" X 8.75"L 2.5" X 2.5" X 9.5"L
2.5" X 2.5" X 9.5"L
Tuning frequency Hz
47 47 43 43
Dual sub vented
cf . 1.4 1.4 1.7 1.7
Port dimensions
7" x 2" x 12"L 7" x 2" x 12"L 9" x 2" x 14"L 9" X 2" X 14"L
Tuning frequency
Hz 47
47 43 43