Specifications – Optimus 40-1029 User Manual
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SPECIFICATIONS
Nominal Impedance ...................................................................... 4 or 8 ohm
±
20%
Frequency Response .......................................................................... 30 Hz–5 kHz
Free Air Resonance (Fs) Frequency .............................................................. 34 Hz
Infinite Baffle Resonance Frequency ............................................................. 31 Hz
Piston Area (SD) ..................................................................................... 0.0553 m
2
Maximum Power ............................................................................................ 120 W
Power Handling ....................................................................................... 60W RMS
Flux Density (BL) ............................................................................................... 7.41
DC Voice Coil Resistance (RE, ohms) ...................................... 3.4 ohms/6.8 ohms
Voice Coil Inductance (LVC at 1 kHz) ................................................ 0.22/0.84 mH
SPL ....................................................................................... 85 or 88
±
3 db/1W/1m
Moving Mass (Mms) ..................................................................................... 52.21 g
Electrical Q Factor (QES) .......................................................................... 3.09/1.55
Mechanical Q Factor (QMS) .............................................................................. 5.03
Total Q Factor ............................................................................................ 1.89/1.18
Equivalent Acoustic Volume (VAS) ............................................................... 163.5 L
Mechanical Suspension Compliance (CMS, UM/N) .............................. 413.2 UM/N
Mechanical Mass of Cone Assembly and Free Air Load ................. 1.8 oz (52.21 g)
Mechanical Mass of Cone Assembly Only ...................................... 1.4 oz (39.62 g)
Peak-to-Peak (Maximum) Linear Excursion ..............................
5
/
32
Inch (4.00 mm)
Cutout ..................................................................................10
29
/
32
Inches (27.7 cm)
Depth ..................................................................................... 5
1
/
32
Inches (12.8 cm)
Magnet Weight ................................................................................ 20 oz (567 gm)
Speaker Weight ............................................................................. 63 oz (1.786 kg)
Specifications are typical; individual units might vary. Specifications are subject to
change and improvement without notice.
40-1029.fm Page 3 Tuesday, August 10, 1999 1:32 PM