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EnABLed FR125SR
(page under revision)
The CSS FR125SR is the evolution
of the groundbreaking WR125S XBL2 ™ wide range driver and FR125S the world's
first full range speaker using this motor topology.
The hallmark of the FR125S is its superb midrange clarity and extended, low distortion
bass thanx to Adire's XBL2 ™ Measured on a standard IEC baffle in a 200
litre enclosure the on-axis response is ± 3 dB from 65 Hz to 20 kHz.
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Shielded for use near CRT monitors, the FR125SR is suitable for Hi-Fi and Home Theatre. The simplicity of using a single speaker without crossover costs and side-effects makes it an ideal candidate for a wide range of DIY applications
FR125 S (solid) & WR125S (dashed) Frequency Response |
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planet10-hifi miniOnken for the FR125S. Comments universally go something like this -- "where is the subwoofer?" |
Many enclosures have been designed
for the FR125SR, sealed, aperiodic bass reflex,ML-TL, ML-V. We like them in a 4.5
litre aperiodic or a 7-10 litre sealed box (ie Parts Express new curved back boxes)
planet10-hifi 4.5 litre aperiodic box for the FR125S. |
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| A discussion
with some pictures of some prototype enclosures and some real world reviews. XBL2 is a trademark of Adire Audio Dimensions & specifications of WR125S, WR125ST, FR125S An additional sheet of measurements including a comparison of off-axis response A growing list of box designs for FR125S can be found in the Box Plans Library. Positive Feedback Review of Alegria Audio's small WR125 speaker -- the Ling -- (since i don't have the WR page up, let me describe it here as an FR125S that needs a tweeter) Jan Vigne Review (eCOUSTICS) of the Ling. Current forum discussions of these drivers as well as the original WRs. diyAudio 1, diyAudio 2, diyAudio 3, diyAudio 4, diyAudio 5, diyAudio 6, diyAudio 7, Audiocircle |
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FR125S Data (See Downloads above for full details of CSS drivers) |
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Fs |
(Hz) |
67.4 |
Xmax |
(mm 1 way) |
6 |
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Vas |
(litres) |
5.58 |
Sd |
(cm2) |
57 |
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Re |
(W) |
7.0 |
Le |
(mH) |
0.39 |
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Qts |
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0.56 |
BL |
(NA) |
4.47 |
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Qms |
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3.10 |
Mms |
(g) |
4.6 |
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Qes |
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0.68 |
SPL |
(dB/1W/1m) |
85.9 |
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