Skema Box Speaker

Design Box planar 18

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