Ramsdell Pro Audio
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680R
680R Double 18" High Output Install Subwoofer



     

     The 680R is a low-profile, high-output double 18" subwoofer. It's designed for applications where height of a standard front firing subwoofer would present a problem. Designed with install applications in mind, it’s 3 dB down point is 36 Hz in a typical situation. The enclosure uses two heavy duty 18” woofers with 4.5” voice coils and field replaceable baskets for ease of repair.

 

 

 

Specifications:

System Type Quasi 5th Order Bandpass
Active or Passive Actively Crossed at 80Hz
Program Power ( Watts ) 2800 W
Bi-ampable yes
Biamp operation only yes
Nominal Impedance (Ohms) 2 x 8 Ohms may be configured for 4 Ohms
Sensitivity (dB @ 1Watt/1m) 101 dB
Max SPL (dB) 132 dB Long Term
Frequency Response (Hz +/- 3dB) 36-400
Crossover Frequency (Hz) 80Hz or Below
Driver Configuration 2 x 18"
HF Driver(s) 1
LF Driver(s) Two 18"with 4.5 " Voice Coils
LF Program Power ( Watts ) 1600W each driver
LF Impedance (Ohms) 2 x 8 Ohm or 4 Ohm
Inputs Barrier Srips
Inputs - Speakon Neutrik 4-pin Optional
Corners no
Feet no
Flying Hardware no
Wheels no
Bar Handles no
Enclosure Materials 3/4" to 1" Birch
Grille
16 Ga. Perforated Steel
Finish / Covering Black Durablast Polyurea Coating
Optional Finish / Covering Other Colors available
Dimensions (DWH xback W, inches) 55.5 x 42 x 16.75 inches
Dimensions (DWH xback W, cm) 140 x 107 x 42.5 cm
Weight (lbs/kg) 195 lbs / 88.6 kg

*Some options may alter price.

 
 
 
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