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[#5109] Harbeth同好會    
Doctorjohn,

請問你現用什麼组合?
童虎
個人訊息 正式會員
119.xxx.xxx.189
2009-09-11 23:40
[#5110] Harbeth同好會    
FInally finished with the sand filling and installation tonight. Boy it is slavery work.

Listening to Glenn Gould and Bach, it seems to sound more solid and steady.

I filled all beams to the brim. Too lazy to disassemble and make a mess to adjust sand level.
agentsmittie
個人訊息 正式會員
219.xxx.xxx.247
2009-09-12 01:16
[#5111] Harbeth同好會    

童虎 hing:

I have too many gears. You can see some of them in my BLog:

http://cheaptubeaudio.blogspot.com/

In reality I listen to the following the most, at this moment:

--Digital: Theta Data (can play only 1 CD before losing it! :-( ) or ICL as transport into ICL tube DAC via Genesis Digital Lens (employed mostly as "switchboard" :-))
--occasionally Clearaudio Champion/OL modified RB250/Ortophon MC15 Super2
--EAR 912 preamp
--ICL 300B amp
--Tannoy Canterbury HE

doctorjohn
個人訊息 正式會員
116.xxx.xxx.134
2009-09-12 07:48
[#5112] Harbeth同好會    

M30 hing:

Woe, what a great idea! How do you connect the 2 accrylic slabs? I see you use the original threads on the plinths udner-side and made an acrylic screw that fixes to both slides, is that it?

How do you raise the motor? And May I ask how much the entire mod costs?

doctorjohn
個人訊息 正式會員
116.xxx.xxx.134
2009-09-12 07:57
[#5113] Harbeth同好會 - http://hk.myblog.yahoo.com/eb2698    
promote 下 this blog sin...有野玩, rover & ernest, waiting for you...
cchome_co
個人訊息 正式會員
203.xxx.xxx.68
2009-09-12 10:27
[#5114] Harbeth同好會 - http://hk.myblog.yahoo.com/eb    
our chairman, wanna join us..
ernest
個人訊息 正式會員
116.xxx.xxx.250
2009-09-12 10:44
[#5115] Harbeth同好會 - http://hk.myblog.yahoo.com/eb    
TY is so close to TW :p
ernest
個人訊息 正式會員
116.xxx.xxx.250
2009-09-12 10:44
[#5116] Harbeth同好會 - http://hk.myblog.yahoo.com/eb    
cchome, let's go
rover901
個人訊息 正式會員
116.xxx.xxx.176
2009-09-12 21:55
[#5117] Harbeth同好會    
doctorjohn,
The mod was done by the previous owner.
What it did is to have a thick arylic cut it to the dimension close to the plater then added clear audio plastic spike.
I will take some photos for you to see tomorrow.
m30
個人訊息 正式會員
203.xxx.xxx.115
2009-09-12 23:19
[#5118] Harbeth同好會    
home visit la m30 hing:)
rover901
個人訊息 正式會員
116.xxx.xxx.176
2009-09-13 17:35
[#5119] Harbeth同好會    
Rover Hing,
Do you mean to visit me?
Sure.

But weekday is not OK except the Golden week on Oct.
m30
個人訊息 正式會員
218.xxx.xxx.186
2009-09-13 21:18
[#5120] Harbeth同好會    
doctorjohn,
Sorry that I was too busy today and not able to take the local made level 2 photos when there is sunlight. May be next week. As I tried to use flash but the picture just not able to show the clear acrylic properly.
m30
個人訊息 正式會員
218.xxx.xxx.186
2009-09-13 21:26
[#5121] Harbeth同好會    
dear all,

where can buy this magic DA11?
HugoT
個人訊息 正式會員
210.xxx.xxx.129
2009-09-13 22:53
[#5122] Harbeth同好會    
Hi Rover Hing,

Did you use a high pass filter to integrate the sub with the Harbeth? Can you share your experiences on that?
ptholeo
個人訊息 正式會員
119.xxx.xxx.236
2009-09-16 11:09
[#5123] Harbeth同好會 -與ALAN SHAW 聚會    
好消息!

Harbeth 總設計師 Alan Shaw 將會在本月底短暫停留香港,希望與各Harbeth用家交流心得及建議。詳程如下:

日期:24 September,2009 (星期四)
地點:機場富豪酒店 Lounge
時間:約8:00p.m.
名額5-15人
費用全免
有興趣fans 請pm本人





harbeth
個人訊息 正式會員
202.xxx.xxx.82
2009-09-16 18:39
[#5124] Harbeth同好會    
ptholeo, I am not qualified to share my limited experience on sub integration, M40 is the master:)

My sub has a high pass filter though :)

If you want the easy way: just plug in a sub and try dfferent setting:) find out which setting sounds best, and use equipments to analyze later :)
rover901
個人訊息 正式會員
202.xxx.xxx.143
2009-09-17 10:05
[#5125] Harbeth同好會    
anyone interest to meet Alan Shaw?
m40
個人訊息 正式會員
113.xxx.xxx.222
2009-09-17 10:20
[#5126] Harbeth同好會    
the hard way, from my understanding, is much more sophisticated, which uses the signal out from pre amp to the sub directly, enable high pass filter of the sub, output the signal(equalized? high frequencies only?) back to power amp.

According to M40hing, high quality sub with balanced connection will not have any signal loss problem despite the long cable lenght involved. But in my case my sub is 9m away from the hifi rack and my sub has no XLR so it is not a good idea for me to try the hard way.

I just plug the sub to the output 2 of my preamp. The performance is far behind M40 hing's system, both due to quality of sub and 9m RCA connection between preamp and sub. I believe.
rover901
個人訊息 正式會員
202.xxx.xxx.143
2009-09-17 10:23
[#5127] Harbeth同好會    
Let me share some experience of using sub high pass filter. Start with negative side.

Since there are cables running from preamp to sub and back to pre, it somewhat limits the position of subwoofer. I can't free place the sub to any location. The location of sub is very crucial to order to get flat bass response.

Second, by using high pass filter. You are transferring bass duty from main spk to subwoofer. You have to carefully adjust the volume in order not to alter the main speaker character. Turning too high, main spk character (e.g. violin) will be changed. Turning too low, the sub improvement is not significant.

m40
個人訊息 正式會員
113.xxx.xxx.222
2009-09-17 10:31
[#5128] Harbeth同好會    
rover hing, I can confirm long cable (no matter RCA or XLR) will degrade the sound. You can easily heard the difference btw 5ft and 7ft. But btw 5ft to 10ft, the difference become clear.
m40
個人訊息 正式會員
113.xxx.xxx.222
2009-09-17 10:34
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