© 2012 MD Audio Engineering—all rights reserved
18
SPECIFICATIONS
Model/Part Number
CO104S
CO124S
CO154S
Thiele/Small Parameters
Fs (free-air resonance, Hz)
39.4
35.4
26.8
Vas (equivalent compliance, cu. ft.)
0.948
2.127
6.837
Vas (equivalent compliance, liters)
26.84
62.786
193.605
Qms (Q, mechanical)
8.477
6.168
7.66
Qes (Q, electrical)
0.54
0.641
0.415
Qts (total driver Q)
0.510
0.580
0.394
Re (DC resistance, ohms)
3.6
3.6
3.6
Z (nominal impedance, ohms)
4
4
4
Le (inductance, mh)
2.54
1.71
3.073
Efficiency (1W @ 1M, dB)
86.7
88.3
91.4
Xmax (one way linear excursion, in.)
0.406
0.410
0.453
Xmax (one way linear excursion, mm)
10.2925
10.4075
11.5
RMS Power Watts
350
350
550
Nominal Power Watts
700
700
1100
MAX Music Power Watts
1400
1400
2200
Mms (total moving mass, grams)
113.51
138.6
188.64
Cms (mechanical compliance, mm/N)
0.143381
0.145374
0.186376
Bl (motor strength, Tesla-M)
13.7
13.1
16.6
Sd (effective radiating area, sq. cm.)
363.05
551.55
855.3
Sd (effective radiating area, sq. in.)
56.273
85.490
132.572
Frequency range (Hz)
39-250
35-250
26-250
Energy Bandwidth Product (EBP)
73
55
65
Driver Physical Dimension
Speaker Displacement (cu ft)
0.053
0.067
0.123
Speaker Outer Diameter (inches/mm)
10.28/261 12.44/316
15.47/393
Mounting hole diameter (inches/mm)
9.13/232 10.91/277
13.82/351
Mounting depth (inches/mm) 5.22/132.5
5.61/142.5 6.79/172.5
Magnet Weight (Oz)
50
50
90
Basket diameter (inches/mm)
10.16/258
12.20/310
15.16/385
Recommended Enclosures
Typical sealed enclosure (cu. ft.)
0 .75
1
2
Specifications subject to change without notice
Содержание cobalt CO104D
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