RDH20 frame double horn for two 8"FR

hm · 26th June 2009, 08:22 PM

Hello,
ich made a new construction,

three new constuction features
bass horn mouth distance
membran movement cross setting
frame horn mouth

Frame double horn for 8" fullrange driver,
back driver again the BG20 von Visaton,
also invers montage with +- change possible.
Near the Saxophon but it might be, with
better soundstage and more direct bass.
A lot of softfibre reduce enclosure sound
and makes it cheap and easy. The horn swims
on softfibre in the horn mouth.

Also available the AN 8" with the pioneer 8" FR,

opinions?

hm · 26th June 2009, 08:24 PM

inside

Charcoal · 26th June 2009, 09:06 PM

have read you great site a lot of times but dont understand one thing, why do you name horns th ethings that are TLs?

To be a horn with tuning for such low frequancy it should have mouth times bigger.

hm · 26th June 2009, 09:23 PM

Hello,

please read in the middle:
http://www.hm-moreart.de/11.htm

in living rooms the flare rate and the length
are more important than horn mouth size.
look measurements of the SAXOPHON:

http://www.hm-moreart.de/86.htm
goo.. Translate helps, but the graphs show enough
96 dB 1 W 1 m ~37 Hz.

Charcoal · 27th June 2009, 05:59 AM

Hi, I will read it thank you. For this moment as I know - the more we reduce mouth size, the more peaks and dips we get in response.....

hm · 27th June 2009, 07:01 AM

Hello,

your are right:
"the more we reduce mouth size, the more peaks and dips we get in response....."

but look for example
the KORNETT
and Subfanfare measurements
what happens to the Imp mountains
of the single simulations
after connecting parallel.

hm · 2nd July 2009, 01:53 PM

Sica +B200 with BG20 rear,
Listening place
http://www.hm-moreart.de/119.htm

rjbond3rd · 2nd July 2009, 05:55 PM

Wunderbar!

hornophile · 3rd July 2009, 04:04 PM

Very nice design.

I always like the designs using two fullranges drivers (like the lowther academy) for their big soundstage and that u can move while listening to music and not obliged to stay on the sweet spot !

do u think it could be used with a lowther as a front driver (I own a pair of pm2a that I ll maybe ask to be reckoned by M. STAMM) ?

regards

hm · 3rd July 2009, 04:32 PM

Thanks,

PM2A may be with extra baffle,
the driver is deep.

26th June 2009, 08:24 PM	#2
hm diyAudio Member Join Date: Feb 2004 Location: near Hamburg Germany	RDH20 inside __________________ http://www.hm-moreart.de

26th June 2009, 09:23 PM	#4
hm diyAudio Member Join Date: Feb 2004 Location: near Hamburg Germany	Hello, please read in the middle: http://www.hm-moreart.de/11.htm in living rooms the flare rate and the length are more important than horn mouth size. look measurements of the SAXOPHON: http://www.hm-moreart.de/86.htm goo.. Translate helps, but the graphs show enough 96 dB 1 W 1 m ~37 Hz. __________________ http://www.hm-moreart.de

27th June 2009, 07:01 AM	#6
hm diyAudio Member Join Date: Feb 2004 Location: near Hamburg Germany	Hello, your are right: "the more we reduce mouth size, the more peaks and dips we get in response....." but look for example the KORNETT and Subfanfare measurements what happens to the Imp mountains of the single simulations after connecting parallel. __________________ http://www.hm-moreart.de

3rd July 2009, 04:04 PM	#9
hornophile diyAudio Member Join Date: Dec 2007	very nice Very nice design. I always like the designs using two fullranges drivers (like the lowther academy) for their big soundstage and that u can move while listening to music and not obliged to stay on the sweet spot ! do u think it could be used with a lowther as a front driver (I own a pair of pm2a that I ll maybe ask to be reckoned by M. STAMM) ? regards

3rd July 2009, 04:32 PM	#10
hm diyAudio Member Join Date: Feb 2004 Location: near Hamburg Germany	Thanks, PM2A may be with extra baffle, the driver is deep. __________________ http://www.hm-moreart.de


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26th June 2009, 09:06 PM	#3
Charcoal diyAudio Member Join Date: Mar 2008 Location: Uzhgorod	have read you great site a lot of times but dont understand one thing, why do you name horns th ethings that are TLs? To be a horn with tuning for such low frequancy it should have mouth times bigger.

27th June 2009, 05:59 AM	#5
Charcoal diyAudio Member Join Date: Mar 2008 Location: Uzhgorod	Hi, I will read it thank you. For this moment as I know - the more we reduce mouth size, the more peaks and dips we get in response.....

2nd July 2009, 05:55 PM	#8
rjbond3rd diyAudio Member Join Date: Jan 2007	Wunderbar!

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