SD-21

• 21" high power woofer
• 1,000 watts RMS
• 30Hz-1.5kHz
• Large 6" voice coil
• High 99dB SPL

Nominal Basket Diameter	21" / 530mm
Impedance	8 ohms
RMS Power Rating	1,000 Watts
Program Power	2,000 Watts
Frequency Response	30Hz - 1.5kHz
Sensitivity (1W/1m)	96.9dB
Voice Coil Diameter	6" / 152.4mm
Voice Coil Material	ALR
Terminal Type	G

SD-18

• 18" high power woofer
• 600 watts RMS
• 30Hz-1.5kHz
• 4.5" voice coil
• 8 ohms
  

  Nominal Basket Diameter	18" / 460mm
  Impedance	8 ohms
  RMS Power Rating	800 Watts
  Program Power	1600 Watts
  Frequency Resp

C18-650EL

• NEW 18" Cast Frame Woofer
• 1,200 watts AES
• 2,400 watts Program
• 30Hz-800Hz
• Aluminum Demodulation Ring
• Double Spider
• 8 ohms

  Nominal Basket Diameter	18"
  Impedance	8 ohms
  RMS Power Rating	1,200 Watts
  Program Power	2,400 Watts
  Frequency Response	30Hz - 800Hz
  Sensitivity (1W/1m)

C15-600EL

• 15" woofer
• 600 watts RMS
• 30Hz-1.2kHz
• 8 ohms
  

  Nominal Basket Diameter	15"
  Impedance	8 ohms
  RMS Power Rating	600 Watts
  Program Power	1200 Watts
  Frequency Response	30Hz - 1.2kHz
  Sensitivity (1W/1m)	9

C15-300MB

• 15" woofer
• 300 watts RMS
• 35Hz-3.2kHz
• 8 ohms
  

  Nominal Basket Diameter	15"
  Impedance	8 ohms
  RMS Power Rating

C12-300MB

• 12" woofer
• 300 watts RMS
• 35Hz-1.2kHz
• 8 ohms
  

  Nominal Basket Diameter	12"
  Impedance	8 ohms
  RMS Power R

ACR 12 MID RANGE

12" 1225 ACR NewMID RANGE
SPECIFICATION Nominal Diameter   12 inch / 305 mm Nominal Impedance   8 ohm Cone material   Black Paper Edge   Cloth Maximum Power   350 watt

Magnet Weight   27.93 Oz
Frequency Response   47 Hz – 11.1 KHz
Sensitivity 1 M / 1 W   93 dB
Voice Coil Diameter   1.4 inch / 35.5 mm
Voice Coil Former Material   Aluminium SV

THIELE SMALL PARAMETER
Resonance Frequency   Fs   47 Hz
DC resistance   Re   5.5 ohm
Mechanical Factor   Qms   4
Electical Factor   Qes   0.92
Total Factor   Qts   0.76
BL Factor   BL   8.1 T/m
Effective moving mass   Mms   37.3 Gram
Equivalent cas air load   Vas   121.4 Liter
Effective piston area   Sd   530.9 Cm2
Voice coil inductance   Le   0.33 mH
Half space efficiency   Eff   1.32 %
MOUNTING INFORMATION
Overall Diameter  306 mm
Bolt Circle Diameter   293 mm
Bolt Hole Diameter   6 mm
Front Mount   275 mm
Overall depth   119 mm

12" PA - 12880 Excellent MK II By ACR
Mid range

SPECIFICATION
Nominal Diameter   12 inch
Nominal Impedance   8 ohm
Cone material   Black Paper
Edge   Cloth
Maximum Power   500 watt
Magnet Weight   61.95 Oz
Frequency Response   41 Hz – 5.3 KHz
Sensitivity 1 M / 1 W   97 dB
Voice Coil Diameter   2.4 inch / 60.55 mm
THIELE SMALL PARAMETER
Resonance Frequency   Fs   41 Hz
DC resistance   Re   5.2 ohm
Mechanical Factor   Qms   1.98
Electical Factor   Qes   0.53
Total Factor   Qts   0.29
BL Factor   BL   12.5 N/A
Effective moving mass   Mms   40.4 Gram
Equivalent cas air load   Vas   153.9 Liter
Effective piston area   Sd   543.3 Cm2
Voice coil inductance   Le   0.21 mH
Half space efficiency   Eff   2.96 %
MOUNTING INFORMATION
Overall Diameter  306 mm
Bolt Circle Diameter   297 mm
Bolt Hole Diameter   5.5 mm
Front Mount   280 mm
Overall depth   122 mm
 

12" PA - 7512 - M Fabulous By ACR
Mid range

SPECIFICATION
Nominal Diameter   12 inch
Nominal Impedance   8 ohm
Cone material   Black Paper
Edge   Cloth
Maximum Power   700 watt
Magnet Weight   75.95 Oz
Frequency Response   50 Hz – 5.2 KHz
Sensitivity 1 M / 1 W   97 dB
Voice Coil Diameter   3 inch / 75.5 mm
THIELE SMALL PARAMETER
Resonance Frequency   Fs   50 Hz
DC resistance   Re   5.3 ohm
Mechanical Factor   Qms   13.98
Electical Factor   Qes   0.32
Total Factor   Qts   0.31
BL Factor   BL   1.6 N/A
Effective moving mass   Mms   49.7 Gram
Equivalent cas air load   Vas   80 Liter
Effective piston area   Sd   539.1 Cm2
Voice coil inductance   Le   0.21 mH
Half space efficiency   Eff   3.20 %
MOUNTING INFORMATION
Overall Diameter  321 mm
Bolt Circle Diameter   302 mm
Bolt Hole Diameter   6.5 mm
Front Mount   286 mm
Overall depth   134 mm 

ACR 12 FULL RANGE

12" PA - 12900 Premier By ACR
SPECIFICATION

Nominal Diameter   12 inch
Nominal Impedance   8 ohm
Cone material   Paper
Edge   Cloth
Maximum Power   750 watt
Magnet Weight   98 Oz
Frequency Response   64 Hz – 2.5 KHz
Sensitivity 1 M / 1 W   95 dB
Voice Coil Diameter   4 inch / 100 mm
THIELE SMALL PARAMETER
Resonance Frequency   Fs   64 Hz
DC resistance   Re   6.9 ohm

Mechanical Factor   Qms   11 Electical Factor   Qes   0.41 Total Factor   Qts   0.40 BL Factor   BL   22.7 T/m MORE DETAIL  12" 1280 ACR Black Magic
	SPECIFICATION Nominal Diameter   12 inch Nominal Impedance   8 ohm Cone material   Black Paper Edge   Cloth Maximum Power   500 watt Magnet Weight   48.60 Oz Frequency Response   45 Hz – 3.3 KHz Sensitivity 1 M / 1 W   95 dB Voice Coil Diameter   2 inch / 49.5 cm THIELE SMALL PARAMETER Resonance Frequency   Fs   45 Hz DC resistance   Re   6.3 ohm Mechanical Factor   Qms   6 Electical Factor   Qes   0.47 Total Factor   Qts   0.44 MORE DETAIL

ACR 15 WOOFER

15" 15700 Deluxe Series By ACR
 SPECIFICATION
Nominal Diameter   15 inch
Nominal Impedance   8 ohm
Cone material   Black Paper
Edge   Cloth
Maximum Power   850 watt
Magnet Weight   87.5 Oz
Frequency Response   45 Hz – 3.7 KHz
Sensitivity 1 M / 1 W   95 dB
Voice Coil Diameter   3.9 inch / 99.2 mm
THIELE SMALL PARAMETER
Resonance Frequency   Fs   47 Hz
DC resistance   Re   5.6 ohm
Mechanical Factor   Qms   7.4
Electical Factor   Qes   0.47
Total Factor   Qts   0.44
MORE DETAIL


15" PA 7515 M FABULOUS BY ACR
 SPECIFICATION
Nominal Diameter    15 Inch
Nominal Impedance   8 ohm
Cone material   Black Paper
Edge   Cloth
Maximum Power  850 Watt
Magnet Weight    86.10 Oz
Frequency Response   37 Hz – 5.3 KHz
Sensitivity 1 M / 1 W   99 dB
Voice Coil Diameter    3 Inch
THIELE SMALL PARAMETER
Resonance Frequency   Fs   37 Hz
DC resistance   Re    5.3 ohm
Mechanical Factor   Qms   11.72
Electical Factor   Qes   0.25
MORE DETAIL

ACR 15 MID BASS

15" 15600 ACR Black

SPECIFICATION
Nominal Diameter   15 inch / 380 mm
Nominal Impedance   8 ohm
Cone material   Black Paper
Edge   Cloth
Maximum Power   450 watt
Magnet Weight   64.05 Oz
Frequency Response   41 Hz – 4.2 KHz
Sensitivity 1 M / 1 W   95 dB
Voice Coil Diameter   2.4 inch / 60.5 mm
Voice Coil Former Material   Kapton

THIELE SMALL PARAMETER
Resonance Frequency   Fs   41 Hz
DC resistance   Re   7.0 ohm
Mechanical Factor   Qms   10
Electical Factor   Qes   0.57
Total Factor   Qts   0.54
MORE DETAIL


15" FAR 1580 PA ACR Classic 
SPECIFICATION
Nominal Diameter   15 inch / 380 mm
Nominal Impedance   8 ohm
Cone material   Paper
Edge   Cloth
Maximum Power   500 watt
Magnet Weight   63 Oz
Frequency Response   30 Hz – 4 KHz
Sensitivity 1 M / 1 W   95 dB
Voice Coil Diameter   3 inch / 75.55 mm
Voice Coil Former Material   Glass Fibre

THIELE SMALL PARAMETER
Resonance Frequency   Fs   30 Hz
DC resistance   Re   6.8 ohm
Mechanical Factor   Qms   6
Electical Factor   Qes   0.44
Total Factor   Qts   0.41 
MORE DETAIL

15" PA 15890 Excellent Pro By ACR

SPECIFICATION
Nominal Diameter   15 inch
Nominal Impedance   8 ohm
Cone material   Paper
Edge   Cloth
Maximum Power   850 watt
Magnet Weight   94.5 Oz
Frequency Response   52 Hz – 3.4 KHz
Sensitivity 1 M / 1 W   93 dB
Voice Coil Diameter   4 inch / 100 mm
THIELE SMALL PARAMETER
Resonance Frequency   Fs   52 Hz
DC resistance   Re   5.7 ohm
Mechanical Factor   Qms   9
Electical Factor   Qes   0.56
MORE DETAIL

ACR 15 FULLRANGE

15" 15200 - ACR NEW

SPECIFICATION
Nominal Diameter   15 inch / 381 mm
Nominal Impedance   8 ohm
Cone material   Paper
Edge   Cloth
Maximum Power   350 watt
Magnet Weight   41.5 Oz
Frequency Response   38 Hz – 3.6 KHz
Sensitivity 1 M / 1 W   95 dB
Voice Coil Diameter   2 inch / 49.5 mm
THIELE SMALL PARAMETER
Resonance Frequency   Fs   38 Hz
DC resistance   Re   5.5 ohm
Mechanical Factor   Qms   2.88
Electical Factor   Qes   0.72
Total Factor   Qts   0.57
MORE DETAIL

15" 15400 - ACR PRO NEW

SPECIFICATION
Nominal Diameter   15 inch / 381 mm
Nominal Impedance    8 ohm
Cone material   Black Paper
Edge   Cloth
Maximum Power   350  watt
Magnet Weight    0.9 Tesla
Frequency Response    42 Hz – 5 KHz
Sensitivity 1 M / 1 W    97 dB
Voice Coil Diameter    2 inch /  49.5 mm
THIELE SMALL PARAMETER
Resonance Frequency   Fs    42 Hz
DC resistance   Re    5.8 ohm
Mechanical Factor   11.69 Qms
Electical Factor   Qes   0.90
MORE DETAIL

15" ACR 15500 Black Platinum Series
Full range

SPECIFICATION
Nominal Diameter   15 inch
Nominal Impedance   8 ohm
Cone material   Black Paper
Maximum Power   400 watt
Magnet Weight   64.05 Oz
Frequency Response   46 Hz – 4.6 KHz
Sensitivity 1 M / 1 W   95 dB
Voice Coil Diameter   2.4 inch / 60.5 cm
THIELE SMALL PARAMETER
Resonance Frequency   Fs   46 Hz
DC resistance   Re   6.9 ohm
Mechanical Factor   Qms   12.18
Electical Factor   Qes   0.67
MORE DETAIL

15" 1590 ACR Black Magic

SPECIFICATION
Nominal Diameter   15 inch
Nominal Impedance   8 ohm
Cone material   Black Paper
Edge   Cloth
Maximum Power   500 watt
Magnet Weight   63 Oz
Frequency Response   32 Hz – 4.2 KHz
Sensitivity 1 M / 1 W   94 dB
Voice Coil Diameter   3 inch / 75.5 cm
THIELE SMALL PARAMETER
Resonance Frequency   Fs   32 Hz
DC resistance   Re   7.2 ohm
Mechanical Factor   Qms   6
Electical Factor   Qes   0.53
Total Factor   Qts   0.49

MORE DETAIL