RDH20 DIY project

15937 Views 9 Replies 4 Participants Last post by hm-moreart, Jan 12, 2015

hm-moreart

Discussion Starter · Jun 26, 2009

Hello Members,

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?

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hm-moreart

Discussion Starter · #3 · Jun 28, 2009

Hello Anthony,
they are double horns with :
bass horn mouth distance
membran movement cross setting
frame horn mouth

measurements later, i expect something
like the SAXOPHON:
http://www.hm-moreart.de/86.htm

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hm-moreart

Discussion Starter · #4 · Jul 2, 2009

measurements

Sica +B200 with BG20 rear,
Listening place

http://www.hm-moreart.de/119.htm

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hm-moreart

Discussion Starter · #5 · Jul 9, 2014

Hello,
i made a test with front driver:
H1597-08 FA22RCZ
back invers polarzied Monacor SPH-210
MONACOR INTERNATIONAL : SPH-210

excellent performance,
and improved the stiffness of the enclosure,
left right short stabilized in the middle.