Power Handling Per ANSI/EIA RS-426-A 1980: ...................... 400 watts
Per AES2-1984/ANSI S4.26-1984,
50-500 Hz: ........................................................................... 400 watts
Sensitivity (SPL at 1 m, 1 watt input power, nominal impedance),
200- to 4,000-Hz Average: ........................................................ 96 dB
100-to 800-Hz Average: ............................................................ 96 dB
Impedance Response:
Minimum (Zmin): ................................................. 7.5 ohms at 150 Hz
Nominal: .................................................................................. 8 ohms
Distortion Response (on axis in standard baffle, 10%25 rated input
power:
Second Harmonic:
100 Hz: ........................................................................ -45 dB (0.6 %25)
1,000 Hz: ..................................................................... -41 dB (0.9 %25)
Third Harmonic:
100 Hz: ........................................................................ -41 dB (0.9 %25)
1,000 Hz: ..................................................................... -38 dB (1.3 %25)
Beamwidth (angle included by 6-dB-down points on polar
responses for octave bands of pink noise; See ),
500 Hz: .......................................................................................... 90°
1,000 Hz: ....................................................................................... 70°
2,000 Hz: ....................................................................................... 45°
Physical Constants,
Effective Piston Diameter: ................................... 406.0 mm (16.0 in.)
Moving Mass (MMo): .............................................. 0.151 kg (0.333 lb)
Voice-Coil Winding Depth: ....................................... 20.3 mm (0.8 in.)
Voice-Coil Diameter: ............................................... 63.5 mm (2.5 in.)
Voice-Coil Winding Length: ........................................ 26.9 m (88.4 ft)
Top Plate Thickness at Voice Coil: ........................ 10.9 mm (0.43 in.)
BL Factor: ................................................................. 22.5 tesla meter
Thiele-Small Parameters (broken in),
f
S : .............................................................................................. 24 Hz
VAS: ...................................................................... 580.5 liters (20.5 ft3
)
QES: .............................................................................................0.269
OMS: ............................................................................................... 6.59
QTS: .............................................................................................0.259
RE: ......................................................................................... 6.0 ohms
η0
: .............................................................................................. 2.9 %25
SD: .......................................................................... 0.130 m2
(201 in.2
)
MMD: ...................................................................... 0.151 kg (0.333 lb)
LE : ........................................................................................... 2.7 mH
CMS: ................................................................................. .0.246 mm/N
RMS: ................................................................. 4.08 mechanical ohms
PE(max) (per ANSI/EIA RS-426-A 1980): ........................... 400 watts
XMAX
1
: ...................................................................... 5.59 mm (0.22 in.)
Xlim
2: ....................................................................... 12.7 mm (0.50 in.)
VD (SD x XMAX): ................................................ 0.725 liters (0.0256 ft3
)
Thermal Rise after Power Test: ............................................... 85 (185 F)
Typical Vented Enclosures: .................................... 8.0 ft3 tuned to 36 Hz
Additional Descriptive Information,
Magnet Weight: ............................................................ 2.2 kg (4.9 lb)
Magnet Material:............................................................ Barium ferrite
Frame: ........................................................................ Cast aluminum
Frame Finish: ..................................................... Textured black epoxy
Plating of Steel Parts: .............................................. Bright Cadmium
Voice-Coil Material: ................................................................. Copper
Voice-Coil Insulation: ...................................... Polyimide 220°C rating
Voice-Coil Form: .................................................................. Polyimide
Back Cover: ............................. Black, advanced synthetic elastomer
Net Weight: ........................................................................ 9.3 kg (20.5 lb)
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