Autobiography Technical Specifications

Drivers

Forward Firing Tweeter
One—1 inch, Dome (2.54 cm)
Upper Midrange
Two—2 inches (5.08 cm)
Lower Midrange
Two—7 inches (17.78 cm)
Woofers
One—12 inches (30.48 cm)
One—15 inches (38.10 cm)
Rear-Firing Tweeter
One—1 inch, Inverted Dome (2.54 cm)

Enclosures & Materials

Forward Firing Tweeter
Sealed
Midrange (2 in)
Rear Vented
Midrange (7 in)
Bottom Vented
Woofers
Front or Rear Adjustable Ported

Measurements

Sensitivity
89.5 dB @ 1W @ 1m @ 1kHz
Nominal Impedance
4 ohms / minimum 2.1 ohms @ 293 Hz
Minimum Amplifier Power
100 watts/channel
Frequency Response
18 Hz – 36 kHz : +/- 2 dB : Room Average Response [RAR]

Dimensions

Height
81 3/16 inches (206 cm) w/o spikes [Variable]
Width
21 1/2 inches (55 cm)
Depth
34 7/8 inches (89 cm)
System Weight Per Channel (uncrated)
821 lb (372.40 kg)
Total System Shipping Weight (approx.)
2,335 lb (1,059.14 kg)