FOSTEX FX120 PDF

Fostex has always been highly regarded in the “Full /Wide range” product category. There are always a few that stand out above the others, and the FX is. It looks like there are not so many people that ended up buying the Fostex FX , despite there seems to be a widespread good opinion about. Information about the Fostex FX fullrange speaker driver (transducer) including datasheet and speaker box (enclosure) plans.

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The -3 dB point is about 58 Hz. I guess this is do to the clarity and coherence of the sound. There is a bit of damping material in the upper, smaller chamber only. You are commenting using your WordPress.

Fostex FX – Double Bass Reflex Loudspeaker – Michael’s Project Page

The enclosure was tuned to about 63 Hz by using a 42 mm diameter port with a length of 65 mm. Cymbals are crisp and there is reasonable low end response given the small size of the driver. Figure 1 shows the calculated frequency response for the FX in a 0. Leave a Reply Cancel reply Enter your comment here The owner was very helpfull and responsive and can be recommended. View all posts by zimmer You are commenting using your Facebook account.

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The fullrange driver used is a Fostex FX In small sized rooms and as a monitor, the speaker has a very clear mid-range and an extended response.

Once all that is complete, add binding posts, wire the speakers and screw the baffle on.

Fostex FX Fullrange Speaker Driver (Transducer)

You can use the component values shown in Figure 2 and tune the BSC to suit your room and amplifier. Removing the need for the small Fostex driver to push the bass tones greatly reduces distortion and improves the sonic performance.

The speaker cabinets are only lightly damped. Finished photographs of the speaker are shown below. Last update 3 January Recently I have had some very good success with a couple of DIY tower loudspeaker projects that used fullrange speaker drivers.

The fosttex was created using a router.

Glue could gostex be used. The response curve seemed good and the drivers generally seem to receive very positive comments from other DIY hobbyists on the forums.

I have partnered them with my first LM based chipamp in a test setup on a piece of MDFwhich you can also see on the picture below. Notify me of new posts via email. In the photo the FX bookshelf speakers are paired with an 8-inch sealed subwoofer located in the corner on the right. Notify me of new comments via email. The prefabricated enclosures are constructed out of MDF and have a volume of 0.

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Figure 3 below shows a sweep of the frequency response from about Hz and up. I used birch fostsx for the cabinet 16mm. The photograph below shows the front baffle with the driver and port installed.

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Fill in your details below or click an icon to log in: Very dynamic, detailed and live like. In some receivers this can be accomplished by setting the speakers to “small”.

The curved speaker cabinets with a piano foatex finish from parts express seemed like a perfect fit.

Fostex FX120 – Double Bass Reflex Loudspeaker

The amount of attenuation required will be user, room and amplifier dependent. The main problem I faced was that I am not skilled with woodworking, but I wanted a pair of attractive speakers. The sound they produce is incredible.