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©2011 Diamond Audio Technologies. All rights reserved.

PHYSICAL DIMENSIONS

Dimension

Unit

SX122/124

SX152/154

Total Diameter  (A)

in. (mm)

12.4 (315.0)

15.4 (391.2)

Mounting Diameter  (B)

in. (mm)

11.1 (281.9)

13.9 (353.1)

Hole Diameter  (C)

in. (mm)

11.7 (297.2)

14.6 (370.8)

Mounting Depth  (D)

in. (mm)

6.2 (157.5)

7.4 (188.0)

Magnet Diameter  (E)

in. (mm)

6.5 (165.1)

6.5 (165.1)

Parameter (unit)

SX122

SX124

SX152

SX154

SPL (dB)

85.5

85.5

87.0

87.0

Re (Ω) [series]

3.9

6.0

3.7

6.0

Qms

5.24

4.60

6.0

4.52

Qes

0.56

0.57

0.57

0.58

Qts

0.51

0.51

0.52

0.51

Fs (Hz)

32.4

34.0

25.2

28.0

Vas (L)

12.6

33.1

88.5

74.0

Cms (mm/N)

0.070

0.098

0.097

0.081

Mms (g)

346

223

411

398

Sd (m

2

)

0.049

0.049

0.080

0.080

BL (T*M)

22.1

24.2

20.6

27.2

Xmax (mm)

17.8

16.5

16.0

15.0

Pwr (W) NOM/MAX

600/1200

600/1200

750/1500

750/1500

(C)

(B)

(E)

(D)

(A)

THIELE/SMALL PARAMETERS

Sealed

SX122

SX124

SX152

SX154

Vb (ft

3

)

0.88

0.88

2.25

2.25

F3 (Hz)/QTC

53 / .71

53 / .71

31 / 1.1

31 / 1.1

Pe (W)

800

800

800

800

Vented

Vb (ft

3

)

1.25

1.25

3.0

3.0

Fp/F3 (Hz)

40 / 35

40 / 35

30 / 24

30 / 24

Port (in.) [dia. x length]

4” x 16.5”

4” x 16.5”

4” x 10.5” 4” x 10.5”

Pe (W)

800

800

800 

800

ENCLOSURES

The enclosures below are offered as a suggestion only. Assistance from an authorized Diamond 

Audio retailer is recommended. All volumes are gross internal, driver and vent displacement has 

been accounted for. The use of a 30hz sub-sonic filter is recommended.

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