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[#3762] Leak Club for Leakies or Leak user    
Timtube,

I think there is little common ground for the comparison between Audiomaster 11A (F2A11 or EL34) and LEAK TL/25A other than fun, fun and fun.

How did you compare 25A with 12.1? Both are KT66 amps.


rcwy
個人訊息 正式會員
221.xxx.xxx.253
2004-12-31 00:22
[#3763] Leak Club for Leakies or Leak user    
Pang,

The 80C's "main out" RCA is at the left-most, the "tape out" RCA is next to.

The "tape out" is NOT controllable by the volume.

rcwy
個人訊息 正式會員
221.xxx.xxx.253
2004-12-31 00:24
[#3764] Leak Club for Leakies or Leak user    
Richard,

My connections as follow

CDP to Aux 1
RCDR to 12.1

Thanks

pang
M6
個人訊息 正式會員
218.xxx.xxx.195
2004-12-31 00:24
[#3765] Leak Club for Leakies or Leak user    
Pang,

CDP to Aux 1 : CORRECT
RCDR to 12.1 : WRONG

"RCDR" = "tape out" !!!

rcwy
個人訊息 正式會員
221.xxx.xxx.253
2004-12-31 00:29
[#3766] Leak Club for Leakies or Leak user    
"main" = 80C's "main out", i.e. the left-most RCA.
rcwy
個人訊息 正式會員
221.xxx.xxx.253
2004-12-31 00:30
[#3767] Leak Club for Leakies or Leak user    
Richard,

For me, I definitely prefer the TL/25A over the TL/12.
timtube
個人訊息 正式會員
218.xxx.xxx.139
2004-12-31 00:31
[#3768] Leak Club for Leakies or Leak user    
Pang,

If still have problem, call me tomorrow.
ZZZZZZZZZZzzzzzzzz Bye.

rcwy
個人訊息 正式會員
221.xxx.xxx.253
2004-12-31 00:31
[#3769] Leak Club for Leakies or Leak user    
Richard,

Thanks!!!

My HiFi knowledge is so limited....>-<

pang
M6
個人訊息 正式會員
218.xxx.xxx.195
2004-12-31 00:31
[#3770] Leak Club for Leakies or Leak user    
"For me, I definitely prefer the TL/25A over the TL/12."

I recall reading the page on the Leak bible that tells the distortion pattern of various LEAK amps.

TL12.1 has 1st and 2nd order distortion only at 10W.

TL25A definitely has higher more complex distortion 1st, 2nd, 3rd.. harmonic distortion at 10W!

I think LS3/5A does not do TL12.1 fairly by its 82.5 dB low efficiency.

rcwy
個人訊息 正式會員
221.xxx.xxx.253
2004-12-31 00:34
[#3771] Leak Club for Leakies or Leak user    
Richard,

As a tube-o-phile, I must admit that I love "distortion" as long as it sounds good to my ears.

LS3/5A probably prefer more power. But remember KT66Cheung Williamson also rate at 12W output only!
timtube
個人訊息 正式會員
218.xxx.xxx.139
2004-12-31 00:53
[#3772] Leak Club for Leakies or Leak user    
Gingers,

Any comments on the Audiomaster 11A with EL34 and F2a11?
timtube
個人訊息 正式會員
210.xxx.xxx.172
2004-12-31 11:40
[#3773] Leak Club for Leakies or Leak user    
Any comments on the Audiomaster 11A with EL34 and F2a11?
------------------------------------------------

Tim

Honest to say, I am sad I did not grab the Audiomaster 11A when it was offered to me.

At the beginning, I doubted the F2a11 to be used in the 11A but eventually I fully agreed that there is am improvement in sound. Sweet / elegant & powerful.

BTW

Any comment on my 25 Plus?


John


Gingers
個人訊息 正式會員
210.xxx.xxx.228
2004-12-31 12:24
[#3774] Leak Club for Leakies or Leak user    
Tim,

"remember KT66Cheung Williamson also rate at 12W output only!"

Cheung's DIY 'Williamson' amplification system is so huge and so much generously provided in every espect that it has to occupy a room. Wonderful!

But I would wish to hear from Cheung if he have made any modifications to the Williamson amp design and is the KT66 output stage in a pentrode/ultralinear or a triode-wired mode?

If it is the former case, the output power could be alike Heathkit W-5M, i.e. 25W. :)

rcwy
個人訊息 正式會員
221.xxx.xxx.253
2004-12-31 12:31
[#3775] Leak Club for Leakies or Leak user    
Any comment on my 25 Plus?
------------------------------

Your 25+ clearly sounded better than those I listen to before. Another proof that Leak only sounds its best with TCC caps.

And I think the Leak 25+ and other EL34 PP amp based on Mullard 5-20 circuit should benefit greatly with the addition of choke (as specified in the Mullard circuit).
timtube
個人訊息 正式會員
210.xxx.xxx.172
2004-12-31 15:00
[#3776] Leak Club for Leakies or Leak user    
Anyone know if the 25+ can be easily modified to operate in pentode (as in TL/25A), instead of UL, mode?

I understand this CANNOT be done in the Audiomaster.
timtube
個人訊息 正式會員
210.xxx.xxx.172
2004-12-31 15:01
[#3777] Leak Club for Leakies or Leak user    
Tim,

Pentode is easy. UL need the opt transformer's G2 tap only.
diytfy
個人訊息 正式會員
155.xxx.xxx.45
2004-12-31 15:33
[#3778] Leak Club for Leakies or Leak user    
But would the pentode connection change the impedance spec of the OPT and requires the change in the circuit parameters e.g. feedback?

timtube
個人訊息 正式會員
210.xxx.xxx.172
2004-12-31 15:50
[#3779] Leak Club for Leakies or Leak user    
Good point.
To be safe, better check again the plate current after and add a little bit more feedback.
diytfy
個人訊息 正式會員
155.xxx.xxx.45
2004-12-31 16:10
[#3780] Leak Club for Leakies or Leak user    
祝各位新年快樂,事事稱心如意,身體健康......^__^
rcwy
個人訊息 正式會員
221.xxx.xxx.253
2005-01-01 00:49
[#3781] Leak Club for Leakies or Leak user    
Good morning

Thanks again to Pang I can own the 25A for 2004 & 2005 two years : )

John

Gingers
個人訊息 正式會員
221.xxx.xxx.110
2005-01-02 10:38
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