- Order number: P821300
Even the most discerning of sound freaks will undoubtedly has their own ideas about the ideal combination of loudspeakers. That´s why Audiotec Fischer also offers all of the loudspeakers in the P-series for purchase as an individual item, this is the ideal solution for any builder who wants to build a fully active system. In combination with the widely varied configuration options of all the HELIX amplifiers, the possibilities are virtually endless...
- 3” / 75 mm cone midrange speaker with novel glassfiber-paper compound cone for maximum stiffness combined with lowest moving mass and perfect inner damping
- Highly efficient, compact neodymium magnet system for linear drive and minimum distortion
- Low-resonant basket made from glassfiber reinforced plastic with optimized voice coil cooling for high power handling
- Grille included
|Power RMS / max.||P||75 / 150 Watts
(highpass > 400 Hz at 24 dB/Oct.)
|DC resistance||Re||3.3 Ω|
|Resonance frequency||Fs||130 Hz|
|Mechanical Q factor||Qms||4.72|
|Electrical Q factor||Qes||0.50|
|Total Q factor||Qts||0.45|
|Equivalent air volume||Vas||0.54 L|
|Force factor||B*I||4.4 Tm|
|Efficiency 1 W / 1 m||SPL||86 dB|
|Cone area||Sd||30 cm²|
|Moving mass||Mms||3.7 g|
|Cone material||Glassfiber-paper compound cone|
|Mechanical resistance||Rms||0.63 kg/s|
|Voice coil diameter||ø||25 mm|
|Voice coil winding height||8 mm|
|Max. linear excursion||Xmax||+/- 2 mm|
|Outer diameter||ø||90 mm / 3.54"|
|Installation diameter||ø||73 mm / 2.87"|
|Installation depth||37 mm / 1.46"|
|Recommended enclosure volumes|
|Sealed box with minimum 200 ml net volume|
|Net volumes||Recommended DSP / amplifier settings|
|0.2 liter (System resonance: 230 Hz)||Crossover frequency: 500 Hz
Min. filter slope: 12 dB/Oct.
|0.4 liter (System resonance: 190 Hz)||Crossover frequency: 450 Hz
Min. filter slope: 18 dB/Oct.
|0.6 liter (System resonance: 170 Hz)||Crossover frequency: 400 Hz
Min. filter slope: 24 dB/Oct.
Note: The enclosure should always be filled with appropriate damping material.