Sunfire Super Junior Subwoofer

For sale is a Bob Carver's Sunfire True Subwoofer Super Junior.  Purchased in 2007, and used for 6 months, it is in excellent condition and comes from an estate. 

Specifications:

Amplifier Output:  1,500 Watts rms  4.6 impedance

High Cut Filter:  30 Hz - 100 Hz adjustable.  The crossover can be bypassed by rotating the crossover frequency control fully clockwise.

Frequency Response:  22 Hz - 100Hz

Power Line Voltage:  AC 120 V/60 Hz

Line Power Consumption:  300 W average, 22 HZ to 100 HZ, at absolute maximum continuous output.  1200 peak, time limited basis

Output Levels:  Greater than 108 dB peak SPL (includes room gain) from 25 Hz to 90 Hz

Input Sensitivity for Full Output:  240 mVrms from left input with volume control at 0 dB, 90 mVrms with volume control fully clockwise.  0.48 Vrms from right input volume control at 0 dB, 180 mVrms with volume control fully clockwise.

Input Impedance:  30 for Line-Level inputs  5.6 for Speaker -Level inputs

Driver:  Extra large magnet and long throw mechanical design yield very high back-emf.  The result is extraordinarily high operating efficiency - that is more acoustic output for each watt of input.

Internal System Gain:

42 dB from left input jack to speaker with the Bass Level control at 0dB, 54 dB with the control fully clockwise.  36 dB from the right input jack to speaker with the Bass Level control at 0 dB, 48 dB with the control fully clockwise.