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驻波问题求助 [复制链接]

查看: 8574|回复: 84
11#

Thanks again buddy. My spks are shown as the 2 black squares at top of the layout. The original sitting position is indicated as the brown box, now a tad (~1ft) closer to the speakers.
[upload=jpg]uploadImages/20042161557448115.jpg[/upload]

The very LF is not a problem as my tube amp is not very capable of producing deep base. It's the resonance of the mid that is really bothering. I'll try base traps if they are the ultimate solutions, but it will be a lengthy process --- not very good at wood work      

BTW, Celestion 3 has nothing to do with this problem, as I'm now using Harbeth HL-Compact in this setup.

Your advice is highly appreciated.
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12#

刚卖了《航空知识》:)))
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13#

重起 在 2004-2-17 0:13:59 发表的内容
madog 在 2004-2-16 23:39:11 发表的内容
[OK, tell me your ceiling height as well. Better still tell me your models of
equipments and cables. etc.

I'll let you know tomorrow. Got to go to bed.


Ceiling height is around 2.5m

CD player: Marantz CD6000 OSE
Int tube Amp: Mei-xing 3008 AB (300B driving 805 single end 40W x 2)
Speakers: Harberth HL-Compact
Interconnect cable: Audioquest Diamondback
Spk cable: Das Monitor copper 5.0mm bi-wiring

Have a good sleep, let music be in your dreams.



Without any additional device to cut some unwanted bass boom, I'll let
you to ry the resonance cancellation method.

As there are points in the room the bass has some peak and dips. I think
the problem you have is mainly midbass somewhere around 150 to 400Hz.
And according to your present layout, the null frequency is on 29.45 and
59 Hz respectively where former one is half wavelength and latter one is quarter wavelength.

If you move your speakers more close to the back wall, the null frequency
will raise, for example if you wanted to null at 200Hz, you have to move the speaker as close as 0.62m to the back wall.

In this way, I will advise to firstly move your speaker backward or even simply attache to the wall. By doing this, the back wall will reinforce the bass
but the frequency will be very low and so not harmful to listening and
sometimes, it is good in certain extend where some people might like the lowest note of the pipe organ ? Of course, this will totally depands on the
whole system.

After have found the better positioning of the speaker then you may move
you seat back and forth to fin the least booming spot. That's it folk.

i would like to hear from you the end result.

Cheers and good luck
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14#

应该是,但厂方没有很多说明。
高质素的音箱自己这样乱垫高怕会影响低频或这个那个的,但Celestion 3反正没什麽低频,无所谓。
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15#

你的做法和盟主、卡麻、威信、西湖等等都是一样,都"侵权"了,呵呵!!!
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16#

但Celestion 3反正没什麽低频,无所谓。——只要不牺牲它的优势,对于我们这些产品的使用者就取我所需,是刚好、是技巧嘛!
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17#

重起 在 2004-2-16 16:04:02 发表的内容
Thanks again buddy. My spks are shown as the 2 black squares at top of the layout. The original sitting position is indicated as the brown box, now a tad (~1ft) closer to the speakers.
[upload=jpg]uploadImages/20042161557448115.jpg[/upload]

The very LF is not a problem as my tube amp is not very capable of producing deep base. It's the resonance of the mid that is really bothering. I'll try base traps if they are the ultimate solutions, but it will be a lengthy process --- not very good at wood work      

BTW, Celestion 3 has nothing to do with this problem, as I'm now using Harbeth HL-Compact in this setup.

Your advice is highly appreciated.



OK, tell me your ceiling height as well. Better still tell me your models of
equipments and cables. etc.

I'll let you know tomorrow. Got to go to bed.
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18#

请问重起兄怎么个斜放法?

有人管申请专利叫:保护知识产权。
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19#

中国北航研制的共轴式单座直升机 M16  首飞成功,这是继俄罗斯(卡-50、卡-52短吻鳄等)之后,第2个掌握共轴式直升机技术的国家。可喜可贺!
最后编辑阿邓
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20#

我也试过把Celestion 3斜放(像优闲2号豪华版的箱面那样)果真音箱比较隐形,音场更真。

有公司注册了人类基因的排列。    :)
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