ADS 310px - Specifications

6
specifications
Thiele-Small
Free-air resonance fs= 29.9 Hz.
Equivalent Volume of Compliance Vas= 1.95 ft
3
55.16 liters
Compliance Cms= .326 mm/N
Total Damping Qts= .46
Electrical Damping Qes= .52
Electrical Damping Qms= 3.67
Piston area Sd= 53.5 in
2
345 cm
2
Linear excursion Xlin +/- .37 in.
Peak Excursion Xmax +/- .59 in.
Sensitivity @ 2.83V RMS @ 1 M, Voice Coils parallel SPL= 94 dB
Sensitivity @ 2.83V RMS @ 1 M, Voice Coils series SPL= 88 dB
Efficiency no=. 28%
DC Resistance, each coil Re= 2.6 Ohms
Motor strength BL= 13.75 TM
Moving mass Mms= 86.55 g
Nominal Impedance Z= 3 Ohms
Recommended amplifier power range, each voice coil Min.= 20 Watts
Max.= 300 Watts
sealed box
volume
vented box
volume
vent diameter
vent length
in car -3dB point
max in -car
response peak
max group delay
in car max spl
@30Hz
40Hz
50Hz
60Hz
70Hz
80Hz
graph
sealed with
filling
.75 cu.ft
<20
0dB
5.1ms@33.4Hz
108.5
113.7
118
121.2
124
126.4
A
sealed without
filling
1.0cu.ft
<20
0dB
5.1ms@33.4Hz
109.4
114.4
118.6
121.6
124.4
126.7
B
vented
1.5cu.ft
3”
8.25”
<20
6.1dB@37.5Hz
17.1ms@25.8Hz
13.7
129.2
126.4
126.3
127.4
128.8
C
bandpass with fill-
ing in sealed
chamber
.8cu.ft
.5cu.ft
4”
11.25”
<20
1.0dB@38.7Hz
12.8ms@36.4Hz
126.6
124.5
128.7
141.7
134.2
127.5
D
bandpass without
filling in sealed
chamber
1.00cu.ft
.5cu.ft
4”
13.75”
<20
2.2dB@35.5Hz
13.2ms@34.7Hz
126.3
124.9
129.5
140.7
137.2
129.1
E
Optimum Enclosure recommendations: