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  • Call Toll Free: 1-866-210-8731

  • OEM speaker manufacturing.

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  • Shop online anytime

 
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All of our subs are built with American made coils!

 

 

Look for this symbol M to designate great Super Bass enclosures and subwoofers that work great in the ProBox Super Bass!

 

Sealed box size range: .5 cu ft to 1.5 cu ft.  Ported box size range: 1.0 cu ft to 4.0 cu ft.  

M800 watts max in recommended boxes. 400 watts continuous RMS in recommended boxes. Credence Speakers 2 + 2 and 4 + 4 ohm square, 2" heavy duty dual voice coil. As expected, with Credence Speakers trend setting features throughout! Stitched Santoprene surround, heavy talc filled copolymer cone body, laminated spider neck, 67 oz magnet, large 202 oz. magnet structure, Kapton voice coil former, rear vented motor structure, large push terminals accepting 6 mm diameter wire, and much more.

 

Available in 2 ohm or 4 ohm

 

SQ12D2 and SQ12D4

  Credence SQ12D2/4 square subwoofer

 

Your ALT-Text here Your ALT-Text here Your ALT-Text here  Physical Specs  Your ALT-Text here Your ALT-Text here Your ALT-Text here
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Basket Material 1.5 mm Steel
Basket Finish Black Crinkle Powder
Magnet Weight 67 oz.
Magnet Material Strontium Ferrite
Magnet Structure Weight 12.6 lbs
Cone Body Material Talc Filled Copolymer
Cone Edge Material Black Santoprene Rubber
Cone Edge Stitched Yes
Voice Coil Diameter 2 "
Voice Coil Wire Type 4 Layer round
Voice Coil Former Kapton
Extended Pole Yes
Vented Pole Yes
Lead Configuration 90 Degree Separation
Compression Terminals Yes
Primary Box Type Sealed or Vented
Dust cap Style Inverted
Dual Voice Coil Yes

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Your ALT-Text here Your ALT-Text here Your ALT-Text here Technical Specs - Thiele-Small parameters Your ALT-Text here Your ALT-Text here Your ALT-Text here
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  SQ12D2 SQ12D4
Power Rating RMS Cont. 400 Watts 400 Watts
Max Power Rating-Unclipped Amp 800 Watts 800 Watts
Freq Response 20-100 Hz 20-100 Hz
Nominal Imp 2 + 2 Ohms 4 + 4 Ohms
Voice Coil 2"  4 layer 2" 4 layer
FS 23.5 Hz 27 Hz
Qms 9.6 9.1
Qes 0.37 0.49
Qts 0.36 0.47
Vas 118.1 Liters 101.9 Liters
Cms 0.2081E-03 M/N 0.1796E-03 M/N
Re 3.33 Ohms 6.7 Ohms
BL 17.10 Newtons/Amp 21.2 Newtons/Amp
Sd 0.063 Sq. M 0.063 Sq. M
Mms 220 gm 195 gm
Hvc 1.500" 1.500"
Hag 0.500" 0.500"
Xmax 0.500" 0.500"
Xlin 1.000" 1.000"
Ref Eff 0.40% 0.40%
Predicted Output 88.2 DB/1W/1M 88.1 DB/1W/1M

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As an aid to the design or selection of enclosures,
performance specifications for a variety of system
configurations are available by selecting from the size
categories listed below.
The illustration defines the enclosure types.

Enclosure types

Box Types

Click picture to view response curve

 SQ12D2 SQ12D4

0.5 cu ft sealed

 Performance curve Performance curve

0.75 cu ft sealed

 Performance curve Performance curve

1.0 cu ft sealed

 Performance curve Performance curve

1.0 cu ft ported

 Performance curve Performance curve

1.50 cu ft sealed

Not Recommended

 Performance curve

2.50 cu ft ported (home)

 Performance curve Performance curve

2.75 cu ft ported  M 112 SQSPB Super Bass

 Performance curve Performance curve

2.75 cu ft/side ported, M dual 212 SQSPB Super Bass

 Performance curve Performance curve

4.0 cu ft ported

 Performance curve Performance curve

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Drawings

A 0.400"
B 3.02"
C 4.20"
D 6.86"
E 6.125"
F 10.965"
G 12.400"
   
M 11.860" Sq
N 0.202"
O 0.250"
   
R 0.875"
S 0.600"
T 1.75"
   
U  
V  
W  
   
X 0.220"
Y 0.445"

Price and buying information in the "Speaker Store"

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Credence Speakers, Inc. © 2008