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.

Author: Gardajar Temuro
Country: Slovenia
Language: English (Spanish)
Genre: Finance
Published (Last): 11 December 2006
Pages: 18
PDF File Size: 1.62 Mb
ePub File Size: 15.30 Mb
ISBN: 511-5-76361-267-5
Downloads: 12793
Price: Free* [*Free Regsitration Required]
Uploader: Shakagis

For maximum performance, it is important to have good airflow from the rear of the driver into the enclosure.

Fostex FX120 – Double Bass Reflex Loudspeaker

I guess this is do to the clarity and coherence of the sound. The response curve seemed good and the drivers generally seem to receive very positive comments from other DIY hobbyists on the forums. The photograph below shows the front baffle with the driver and port installed. Fill in your details below or click an icon to log in: View all posts by zimmer The Fostex FX fullrange driver looked like a very good choice. Notify me of new posts via email.

  ASTM C1027 PDF

The -3 dB point is about 58 Hz. The curved speaker cabinets with a piano gloss finish from parts express seemed like a perfect fit.

Figure 1 shows the calculated frequency response for the FX in a 0. The speaker cabinets are only lightly damped. The amount of attenuation required will be user, room and amplifier dependent.

The bass performance of them is also astonishing when they are placed fairly close against the wall. The sound they produce is incredible. The fullrange driver used is a Fostex FX Glue could also be used. I used birch plywood for the cabinet 16mm.

Martinsson’s Blog – Fostex FX DIY proposal

About 3 to 5 dB of attenuation is a good starting point. The enclosure design is from Fostex as well.

Removing the need for the small Fostex driver to push the bass tones greatly reduces distortion and improves the sonic performance. Post was not sent – check your email addresses! Recently I have had some very good success with a couple of DIY tower loudspeaker projects that used fullrange tostex drivers.

Very dynamic, detailed and live like. You are commenting using your Twitter account.


Through the reciever settings, I have some foshex in selecting the speaker-subwoofer crossover point which I have set at 80 Hz. Created 25 February Finished photographs of the speaker are shown below.

Fostex FX120 Fullrange Speaker Driver (Transducer)

Last update 3 January The owner was very helpfull and responsive and can be recommended. For additional information about the enclosures, see my previous description of the Parts Express curved speaker cabinets. In some receivers this fx1220 be accomplished by setting the speakers to “small”.

Email required Address never made public.

Fostex FX Fullrange Speaker Driver (Transducer)

Sorry, your blog cannot share posts by email. Learn how your comment data is processed. The impedance sweep confirms the box tuning of about 63 Hz.

I have recently built these double bass reflex box speakers. You can use the component values shown in Figure 2 and tune the BSC to suit your room and amplifier.