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[#16] 障板喇叭(open baffle)    
coleman,the speaker looks so good with a solid magnet..which brand ?
eric300
個人訊息 正式會員
58.xxx.xxx.18
2012-01-31 01:00
[#17] 障板喇叭(open baffle)    
Hi Eric, are you talking about the big pairs in the picture? I gathered they are a special fullrange with proprietry cellulose paper cone and fieldcoil magnet made by the almighty Alterlier Rullit from russia.

Google it and you will find lots of stuff about him. I know a man from Germany who swear by them.
welborne
個人訊息 正式會員
119.xxx.xxx.193
2012-01-31 01:36
[#18] 障板喇叭(open baffle)    
for example, one of Rullit's

welborne
個人訊息 正式會員
119.xxx.xxx.193
2012-01-31 01:52
[#19] 障板喇叭(open baffle)    
his www

http://www.field-coil.com/

welborne
個人訊息 正式會員
119.xxx.xxx.193
2012-01-31 01:54
[#20] 障板喇叭(open baffle)    
parts and cones in his creation.

Per his update:

"Nov 22, 2010 — We are preparing a new series of drivers called "Aero" for release. Planned models include 8" FR, 12" FR, 8" WR, 12" WR, 15" WR and 18" WR. 8" FR design is complete, the rest are unergoing final tests and tuning. With a cone of just 20g, 15" WR are ideal for open baffle, for building Zeiss-like vintage cinema systems. These units are the result of years of tireless experimenting, listening and refinement. Stay tuned for more details soon. "

One of our friends on r33 "Pluto" has a pair of Rullit modified fieldcoil Supravox 8"

welborne
個人訊息 正式會員
119.xxx.xxx.193
2012-01-31 01:57
[#21] 障板喇叭(open baffle)    
我想DIY或找人訂做一個窄版 (22寸闊) JE Labs 障板喇叭,請問有沒有開木料舖頭或木工師傅可介紹?最好近旺角區.

另,設計方面,請問各位有沒有什麼值得留意的地方?

謝謝!

JE Labs:
http://members.myactv.net/~je2a3/open.htm
peter_l
個人訊息 正式會員
1.xxx.xxx.154
2012-02-01 22:55
[#22] 障板喇叭(open baffle)    
各位 chings,

我有一對幾乎全新座地障板, 三圍H39.5" X 18.75W X 20.75D, 合10寸單元用, 價$1800. 有興趣請PM. Thanks.

照 片:
http://i252.photobucket.com/albums/hh40/3fatsheep/DSC04621.jpg

http://i252.photobucket.com/albums/hh40/3fatsheep/DSC04620.jpg

16575
個人訊息 正式會員
61.xxx.xxx.182
2012-02-02 23:09
[#23] 障板喇叭(open baffle)    
Here is a thread from diyaudio with lots of pictures of different OB projects, diy and not diy

http://www.diyaudio.com/forums/multi-way/123512-ultimate-ob-gallery.html
welborne
個人訊息 正式會員
119.xxx.xxx.85
2012-02-03 20:21
[#24] 障板喇叭(open baffle)    
hi welborne,

I wonder if you know of any web sites or blog that would provide some basic info (or books) on physics or theory on OB loudspeaker design?

Thx
icefox_2001
個人訊息 正式會員
121.xxx.xxx.96
2012-02-03 20:27
[#25] 障板喇叭(open baffle)    
hi icefox.

I used to bookmark them but i lost them but names that could help googling are:

1) Thorsten Loesch
2) Lynn Olson
3) troelsgravesen
4) jelab (Joseph Esmilia)
5) the famous Lampizator site
6) Martin King
audiocircle and diyaudio has lots of discussion on open baffle too

Thorsten Loesch has some kind of a spreadsheet to calculate position and size of baffle according the drivers size etc. but i could not find it any more.
welborne
個人訊息 正式會員
116.xxx.xxx.218
2012-02-03 21:16
[#26] 障板喇叭(open baffle)    
Here is one that goes a bit more scientific in explaining his project, a modern version of the Wharfedale SFB

http://www.troelsgravesen.dk/OBL11.htm

welborne
個人訊息 正式會員
116.xxx.xxx.218
2012-02-03 21:21
[#27] 障板喇叭(open baffle)    
If tempted to a little DIY; Troels Gravesen's latest project was the OBL11 speakers http://www.troelsgravesen.dk/OBL11.htm

Some of his earlier thoughts and experiments into OB
http://www.troelsgravesen.dk/Acapella_WB.htm
http://www.troelsgravesen.dk/OB7.htm
http://www.troelsgravesen.dk/OB9.htm
welborne
個人訊息 正式會員
116.xxx.xxx.218
2012-02-03 21:24
[#28] 障板喇叭(open baffle)    
i visited KKaries hing yesterday afternoon.

What a nice place to live in, and would be a waste not to play hifi and open baffle.

The sound is decent and has strong sense of presence as expected from most open baffle system. Will visit again soon and bring along some of my precious german tweeters and see if they would be a happier marriage. Nice woodbaffle!!!!
welborne
個人訊息 正式會員
119.xxx.xxx.85
2012-02-06 18:23
[#29] 障板喇叭(open baffle),klangfilm fullrange    
抛磚引玉,獲益良多,依coleman兄意見,改動超高分頻及擺位,定位及音域再進一步。
kkaries
個人訊息 正式會員
202.xxx.xxx.203
2012-02-07 12:30
[#30] 障板喇叭(open baffle)    
Kk hing, 不要見笑,我並沒有金耳朵,所以意見很個人的,不過我玩障板的格言是:玩過才明白,唔試有時唔知彩虹另一端又是一翻景象。
welborne
個人訊息 正式會員
123.xxx.xxx.73
2012-02-07 20:33
[#31] 障板喇叭(open baffle)    
Hi Welborne,

It must be time for me to visit your place again. When will you be available?

^^
rcwy
個人訊息 正式會員
221.xxx.xxx.227
2012-02-07 20:41
[#32] 障板喇叭(open baffle)    
sure rcwy hing, check pm
welborne
個人訊息 正式會員
119.xxx.xxx.85
2012-02-08 17:52
[#33] 障板喇叭(open baffle)    
http://www.audioasylum.com/cgi/vt.mpl?f=hug&m=154917

also here

http://www.6moons.com/industryfeatures/rmaf2011/6.html

for people who want to make open baffle out of Lowther drivers, have a look at the above. There was a 6moons article on his experience and his latest and his claimed "best" is based on Raal ribbon tweeters, Lowther PM2 MkII, 16ohm Tone Tubby 12" alnico guitar speaker as dipole woofer.



welborne
個人訊息 正式會員
119.xxx.xxx.40
2012-02-10 16:46
[#34] 障板喇叭(open baffle),klangfilm fullrange    
繼續努力改進,改動擺位,加了花盆,减少倍份註波;klangfilm單元引入線由Denko紅黑線改為Belden pcocc喇叭線,多了一些低音。



最後修改時間: 2012-02-19 09:09:44
kkaries
個人訊息 正式會員
202.xxx.xxx.55
2012-02-19 09:07
[#35] 障板喇叭(open baffle),klangfilm fullrange    
喇叭後的花盆。

kkaries
個人訊息 正式會員
202.xxx.xxx.102
2012-02-19 09:48
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