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Sonido SFR 175 enclosure problem
Sonido SFR 175 enclosure problem
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Old 24th December 2011, 11:01 AM   #1
mhgawel is offline mhgawel  Poland
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Location: Katowice, Silesia
Default Sonido SFR 175 enclosure problem


I bought Sonido SFR175 AlNiCo Textil speakers some time ago and finally I have enclosures for them. These are 175 HORN enclosures from Sonido design. There's a problem as carpenter moved the internal wall about 10mm (0.4in) to the front. It has changed horn parameters:
- compression chamber volume is now 11033,8cm3 (673.3 cu in) instead of 11336,4 cm3 (691.8 cu in) in design,
- chamber throat cross section area is 100cm2 (15.5 sq in) instead of 120,2 cm2 (18.63 sq in) in design.

How would these changes influence the speaker performance? Is it worth to use the enslosures or I can just throw them away and order new ones?

Speakers data and chart, Sonido design and drawing with changes are attached below.

Best regards,


175 HORN.pdf

SFR175 A textil.pdf

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