Fostex Full Range Drivers

1. Full Range Drivers For Open Baffle

Full Range Drivers For Open Baffle

Full Range speakers, Fostex, DIY High Efficiency Speaker kits.Fostex High Efficiency DIY Full Range SpeakerKits Projects from CommonSense AudioFREE SHIPPING IN THE USA!(discount shipping overseas)www.commonsenseaudio.comFostexFE206Eneight inch full range speakers-the best sounding of all Fostex speakers.

Fostex FP 203The Fostex FP series is unique with its large voice coildiameter, in fact the largest one of all known eight-inch full-rangedrivers. It looks a bit unusual with its distinctive whizzer conemade of a special paper with thin carbon fibers. In Europe it wasbranded ACR.This is the manufacturer's datasheetThe early production has rated power of 15W, whilst the laterdrivers were labeled 35W. In fact both versions are completely thesame. My MeasurementsDriver PropertiesThiele - Small ParametersChassis materialVacuum-moldedaluminum alloyParameterMeasuredDatasheetMembrane materialPaperFs37.8Hz40 ± 8 HzMagnet SystemFerriteRe7.4 ΩN/ASurroundImpregnated ClothQms4.6N/AVoice CoilDiameter42 mmQes0.22N/ANominalImpedance8 ΩQts0.210.30Sensitivity95 dB/W/mVas61 ltr40 ltrRated Power15/35WLe0.24 mHN/A.