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[#14490] Leak Club for Leakies or Leak user    




Gingers
個人訊息 正式會員
221.xxx.xxx.231
2007-03-23 20:55
[#14491] Leak Club for Leakies or Leak user    



Gingers
個人訊息 正式會員
221.xxx.xxx.231
2007-03-23 20:56
[#14492] Leak Club for Leakies or Leak user    
This is my first 50+

Thinking

http://www.impawards.com/1991/posters/beauty_and_the_beast_ver4.jpg

:-(



Gingers
個人訊息 正式會員
221.xxx.xxx.231
2007-03-23 21:10
[#14493] Leak TL/50+    



Gingers
個人訊息 正式會員
221.xxx.xxx.231
2007-03-24 00:21
[#14494] Leak TL/50+    



Gingers
個人訊息 正式會員
221.xxx.xxx.231
2007-03-24 00:27
[#14495] Leak TL/50+    
Sovtek for my Leak TL/50+



Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 10:18
[#14496] Leak TL/50+    
John,

How about GEC? :-)



ace_hayashi
個人訊息 正式會員
203.xxx.xxx.69
2007-03-25 10:24
[#14497] Leak TL/50+    
Ginger,

Congratulation! Leak Mission accomplished!
maxbliss888
個人訊息 正式會員
203.xxx.xxx.241
2007-03-25 10:25
[#14498] Leak Club for Leakies or Leak user    
Well, this is the amplifier I used to draw design diagrams for as a teenager in the mid-1970's, and then dream that I had built it! Unfortunately as the power goes up, the amplifiers become harder to find.

The TL/50 Plus amplifier is shown above is finished in the gold enamel of the earlier models. It is fitted with 6550 output valves, although originally they were mainly shipped with the fabulous Marconi-Osram KT88. Also, the unit above has a rather cheap version of the 5AR4 rectifier, which normally has a slightly bigger and less-rounded envelope. Originally Mullard 5AR4's would have been used.

Even though Leak produced a wide range of power amplifiers, all of them had the same high sensitivity, and the TL/50 Plus is no exception, with just 125mV giving 50 Watts out, with distortion reaching 0.1% at 45 Watts. In reality the amps would clip at just over 60 Watts. Feedback on the TL/50 was slightly lower than other Leak amps at 23dB.

Note that both the TL/25 Plus and the TL/50 Plus had a heat-shield to protect the mains transformer from the radiant heat from the output valves (although advertising shows that the earliset models made seemed to lack this feature). In the TL/50 Plus, a filter choke resides next to the power transformer (not visible due to the heat shield).

Around the time of the introduction of the Leak solid-state amplifiers (circa 1963), all the valve amplifiers changed from gold & brown livery to the grey & silver livery of the solid state amplifiers. A late model TL/50 plus is shown at the right. This unit is fitted with genuine MOV KT88's.

The Leak pre-amp plugs into the black octal socket on the left, and an input gain control and RCA connector are next to this octal socket.

http://home.mira.net/~kiewavly/TL50Plus.html




Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 11:11
[#14499] Leak TL/50+    
This should be the 老祖宗 of all KT88/ 6550 amplifiers :-)



Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 11:15
[#14500] Leak TL/50+    



Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 11:17
[#14501] Leak TL/50+    



Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 11:19
[#14502] Leak TL/50+    
John

When can I 駕迎老祖宗 of all KT88 ?

Colin^____^
XWH
個人訊息 正式會員
218.xxx.xxx.1
2007-03-25 12:25
[#14503] Leak Club for Leakies or Leak user    
Colin

Still in this original condition :-(

JOhn

Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 12:27
[#14504] Leak TL/50+ Restoration    



Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 13:32
[#14505] Leak TL/50+ Restoration    



Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 13:33
[#14506] Leak TL/50+ Restoration    



Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 13:34
[#14507] Leak TL/50+ Restoration    



Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 13:35
[#14508] Leak TL/50+ Restoration    
I tried to use the Jensen copper tube capacitors. Hopwever they are too long in seize.

I was told by a high hand that DUBILIER capacitors with ceramic ends sound very good if not the BEST. Thus without hesitation ...................................

Indeed want to try the Jensen Paper tube capacitors :-)



Gingers
個人訊息 正式會員
221.xxx.xxx.19
2007-03-25 15:39
[#14509] Leak TL/50+ Restoration    
John

Busy sunday^___^

XWH
個人訊息 正式會員
219.xxx.xxx.154
2007-03-25 15:48
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