Frugelhorn question

hfh · 16th July 2009, 06:46 PM

Would it work to build in a full height deflector between extended depth top and bottom panels? If so, could it be the same overall width as the speaker cabinet? Thanks.

planet10 · 16th July 2009, 07:02 PM

Yes you can make it full height

Reducing the width of the deflector will also reduce the effective mouth area so it won't go quite as low.

dave

hfh · 16th July 2009, 10:06 PM

Ok, I'l stay with the recommended 10 1/4 width on the deflector as shown on sheet FH3. Sheet FH3 and your photo show the front point of the deflector touching the back of the bottom of the cabinet 15 9/16 from the front. Could I pull the deflector forward into the cabinet against the bottom angled panel in the speaker cabinet 11 3/16 from the front, as I would like to incorporate the deflector into the cabinet by extending the top and bottom panels? So, the overall depth would be 17 13/16. [11 3/16+6 5/8 deflector] I would leave the radiused sides as drawn on FH3. Or,am I messing up the design? Thanks again,Chuck

planet10 · 16th July 2009, 10:52 PM

Quote:

Originally posted by hfh
Or,am I messing up the design?

The deflector does 2 things 1/ reduces reflections back up the horn. 2/ Creates a larger mouth. It needs to be where it is, or you will be restricting the mouth.

dave

hfh · 17th July 2009, 12:15 AM

Thanks,Dave.I'l stick with the proven plan as you recommend.Now I'l start building. Chuck

planet10 · 17th July 2009, 01:06 AM

Do post pictures... have fun

dave

16th July 2009, 06:46 PM	#1
hfh diyAudio Member Join Date: Jul 2009 Location: Antioch,Il	Frugelhorn question Would it work to build in a full height deflector between extended depth top and bottom panels? If so, could it be the same overall width as the speaker cabinet? Thanks.

16th July 2009, 07:02 PM	#2
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 4	Yes you can make it full height Reducing the width of the deflector will also reduce the effective mouth area so it won't go quite as low. dave __________________ community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA

16th July 2009, 10:06 PM	#3
hfh diyAudio Member Join Date: Jul 2009 Location: Antioch,Il	Frugelhorn question Ok, I'l stay with the recommended 10 1/4 width on the deflector as shown on sheet FH3. Sheet FH3 and your photo show the front point of the deflector touching the back of the bottom of the cabinet 15 9/16 from the front. Could I pull the deflector forward into the cabinet against the bottom angled panel in the speaker cabinet 11 3/16 from the front, as I would like to incorporate the deflector into the cabinet by extending the top and bottom panels? So, the overall depth would be 17 13/16. [11 3/16+6 5/8 deflector] I would leave the radiused sides as drawn on FH3. Or,am I messing up the design? Thanks again,Chuck

17th July 2009, 12:15 AM	#5
hfh diyAudio Member Join Date: Jul 2009 Location: Antioch,Il	Frugelhorn question Thanks,Dave.I'l stick with the proven plan as you recommend.Now I'l start building. Chuck

17th July 2009, 01:06 AM	#6
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 4	Do post pictures... have fun dave __________________ community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA


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