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#Fostex fe206en enclosure driver#
#Fostex fe206en enclosure full#

ø146mm strong ferrite magnet is employed.

This new diaphragm material has the fine, supple and high density fiber, and its characteristics successfully improve the mid-high frequency reproduction. Low frequency response from around 120Hz is gently damped with a controlled peak at 50-60Hz.FULL RANGE SPEAKER UNIT FE206En Features Internal volume of 45 liters tuned to approximately 50Hz (Fb). This example is a narrow and tall style bass reflex type enclosure. However, it is possible to use the FE206En in a bass reflex enclosure as shown. "FE206En is designed for use in a back loaded horn type enclosure and it is generally unsuitable for bass reflex because of its over damping sound characteristics.

The speaker box plan is from the Fostex FE206En data sheet and included these comments. Mark Houston has built a couple of the double bass reflex enclosures with the Fostex FE206En driver.įostex FE206En Double Bass Reflex Enclosure Plans

#Fostex fe206en enclosure full#

The speaker box plan Double Bass Reflex Type Enclosure for the Fostex FE206En full range speaker unit is show below. Start with a speaker toe-in of about 30-degrees and adjust to personal taste.įostex FE206En Double Bass Reflex Type Enclosure This rising response is best compensated by positioning the speakers off of the listening axis (ie. The rising response with increasing frequency is a typical trait of extended-range transducers with a very strong motor. A parallel notch filter can be used to tame this peak. The strong peak (about 8dB) at 2.6kHz results in a quite forward midrange.

#Fostex fe206en enclosure driver#

Thiele/Small (T/S) Parameters - Fostex FE206En Fullrange Driver Parameterįostex FE206En Frequency Response and Impedance The Thiele/Small Parameters from the Fostex FE206En driver data sheet are summarized in the table below. Thiele/Small (T/S) Parameters - Fostex FE206En Driver For additional details and photos see the Fostex FE206E / FE206En driver modifications and tweaks page. It is also a good idea to cover The surface of the large magnet could act like a reflective surface in the enclosure so it is a good idea to cover the magnet with a sound absorbent material (like upholstery felt). Common methods are to use electrical duct seal or adhesive bitumen damping material. The frame is stamped steel and relatively light so there are benefits to adding mass (dampen) to reduce the potential of having the chassis "ring".

A speaker box plan of a back loaded horn type enclosure was included with the data sheet. The FE206En has a low Qts which makes this driver most useful in horn type enclosures. The overall weight of he driver is 3200 grams (7 lbs). The ferrite magnet is huge, 146 mm (5.75") in diameter, weighing 1067 grams (2.3 lbs). The light weight paper cone is attached with a reverse roll surround made from treated cloth. Like the similar FE driver the "ES cone" is made from banana plant fibre. The driver is 200 mm (7.9") in diameter and constructed on a stamped steel frame.

The data sheet indicates that the FE206En model uses a new diaphragm material which aids in improving the mid to high frequency reproduction. The Fostex FE206En fullrange driver is the updated model of the Fostex FE206E. Fostex FE206En Fullrange Speaker Driver (Transducer)