Product information "Peerless P830985 2.5" Fullrange"
The P830985 2.5 inch 4 ohm, member of the PLS family sets a high standard for compact full range drivers intended for applications such as television soundbars and compact music systems. Design features in this family include a damped plastic basket with venting under the spider to aid cooling of the motor, a neodymium magnet motor with copper cap to lower coil inductance, providing low distortion at low frequencies and extended high frequency response. A black anodized aluminium cone is employed on the driver, along with a black anodized aluminium dust cap coupled directly to the voice coil. Additionally, the cones come equipped with special-designed large roll rubber surrounds, which allow for a dynamic linear response to high excursion input signals.
Neodymium magnet
Double-vented motor
Anodized aluminum center dome
Distortion-reducing semi-progressive surround
Inverted half-roll rubber surround
Copper pole piece cap controls impedance
Specifications
power handling (continuous/programme) = 30 W
frequency range = 100-15000 Hz
resonance frequency fs = 117 Hz
impedance R = 4 Ohm
sound pressure level SPL = 85,4 dB (2,83V; 1m)
DC resistance Re = 3,63 Ohm
force factor BL = 2,61 N/A
voice coil inductance L = 0,03 mH
effective piston radiating area Sd = 21,2 cm2
effective mechanical mass incl. air load mms = 1,9 g
equivalent volume of compliance Vas = 0,61 l
total Q factor Qts = 0,63 (Qms=4,08, Qes=0,75)
voice coil diameter = 25 mm
maximum peak linear excursion vibration xlin = +/- 1,7 mm
mounting diameter d = 61,6 mm
overall diameter d = 69x69 mm
mass m = 0,14 kg
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