review33.com:影音天地:Colin同好會

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[#24] Colin同好會 we349, Very nice set-up! Is the equipment under CD transport a Marantz DAC? Is the amp on the top a Opera Audio Signature amp?		DenonFanNo2 正式會員 210.xxx.xxx.10	2006-11-01 09:49

[#25] Colin同好會
忘了講講試聽的安排、細節和條款:

試聽不收取任何費用, 但需交下按金. 還機時全數退回.

這台5687日後會礎b我的辦公室 (中環), 取/還機地點也會在中環或附近的地鐵站.

關於訂機, 價錢, 付款, 運送, 修理與其他事項, 請跟Colin聯絡.

DenonFanNo2

正式會員
210.xxx.xxx.10

2006-11-01 09:53

[#26] Colin同好會
where in central?

aliu

正式會員
203.xxx.xxx.211

2006-11-01 09:56

[#27] Colin同好會
"where in central?"

Central MTR is most preferred.

DenonFanNo2

正式會員
210.xxx.xxx.10

2006-11-01 10:14

[#28] Colin同好會
仲有仲有.....試聽期暫定為兩星期

DenonFanNo2

正式會員
210.xxx.xxx.10

2006-11-01 10:21

[#29] Colin同好會
網友Richards跟Colin的線路做的5687, 除了可用單管5687外, 還可以用417a及6c45.

DenonFanNo2

正式會員
210.xxx.xxx.10

2006-11-01 11:39

[#30] Colin同好會
Any brothers know where can I buy a pair of match 5687. I have bought a pair of philips 5687WB for my diy colin amp but find that they are very unmatched. The left and right channel volume are different.

claude

正式會員
58.xxx.xxx.32

2006-11-01 22:07

[#31] Colin同好會
這是Richards的755c

DenonFanNo2

正式會員
210.xxx.xxx.10

2006-11-02 09:29

[#32] Colin同好會
claude,

I also encounter the same problem. I use to adjust the right and left channel volume from time to time.

DenonFanNo2

正式會員
210.xxx.xxx.10

2006-11-02 09:31

[#33] Colin同好會
hi denonfanno2
近日會試改內部之電容為Rubycon,看一看有何分別

we349

正式會員
210.xxx.xxx.9

2006-11-02 10:03

[#34] Colin同好會
"....但無論如何Colin做器材的意念我是很欣賞,但客戶服務方面就.(可能是對香港客是這樣)"

跟Colin通訊, 有時係一、兩日答覆, 有時係五、六日至覆, 我諗坉曮Y日日check e-mail.

訂機都係咁, 我部5687唔洗兩個星期收到, 部71A舊年年尾訂, 仍然等緊. 夆悼爬n耐無裝71A, 最近至恢復.

不過, 坌J"先寄機, 後收錢"方式, 真係無得complaint喇!

DenonFanNo2

正式會員
210.xxx.xxx.10

2006-11-02 11:28

[#35] Colin同好會
Dear Friends,

Can any one tell me the bias voltage you have measured on your coline 5687 amp.
For output tube, I got:
B+(R/L) = 268/268v
plate(R/L) = 239/239v
bias(R/L) = 7.0/7.1v
cathod(R/L) = 66.1/61.9v
For input tube, I got:
B+(R/L) = 132/132v
plate(R/L) = 54.2/55.4v
bias(R/L) = 1.9/1.9v
Did anyone think this is close to yours?
Ah, I forgot to tell you that I use Lite R-core power transformer, 5AR4 retifier, Poshan 10W output transformer, and CLCLC (don't have enough voltage from power transformer to use chok-in) filter circuit with two 10H chok.

claude

正式會員
58.xxx.xxx.102

2006-11-04 21:57

[#36] Colin同好會
No measurement done....no idea! Any other Colin fans can help?

DenonFanNo2

正式會員
210.xxx.xxx.10

2006-11-06 16:42

[#37] Colin同好會
聽過好一段日子了, 竟然忘記給我的5687拍照...