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| [#5380] Leak Club for Leakies or Leak user Welcome!! My neignbour, Yuen, becomes a Leak Stereo 50 owner : ) Pretty boy : ) John  |
Gingers 正式會員221.xxx.xxx.18 |
2005-04-06 22:20 | |
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| [#5381] Leak Club for Leakies or Leak user Original!! Plug & Play!!! Reminded him to restore it before daily use. As Leak capacitors are famousfor being LEAK!!!  |
Gingers 正式會員 221.xxx.xxx.18 |
2005-04-06 22:22 |
| [#5382] Leak Club for Leakies or Leak user Twims!! Apart from Yuen and me, DD Stone Herman all Stereo 50 owners.  |
Gingers 正式會員 221.xxx.xxx.18 |
2005-04-06 22:24 |
| [#5383] Leak Club for Leakies or Leak user I heard original stereo 50 sound although a bit distortion was detected. |
Gingers 正式會員 221.xxx.xxx.18 |
2005-04-06 22:27 |
| [#5384] Leak Club for Leakies or Leak user DD Stone Herman all Stereo 50 owners. _______________________________________________ 到!! ^++++^ |
dd845 正式會員 203.xxx.xxx.227 |
2005-04-06 22:53 |
| [#5385] Leak Club for Leakies or Leak user Gingers, Are you using the "Plessey" Metalpack caps (77 or 78 versions) in your ST-50? Have you tested them before use? r |
rcwy 正式會員 221.xxx.xxx.253 |
2005-04-06 22:55 |
| [#5386] Leak Club for Leakies or Leak user 聽得HFS耐插番KT-66覺得有d肥tim...^____@ |
dd845 正式會員 203.xxx.xxx.227 |
2005-04-06 22:56 |
| [#5387] Leak Club for Leakies or Leak user Mine Leak Stereo 50 with KT66...  |
Little_Stone 正式會員 221.xxx.xxx.215 |
2005-04-06 23:09 |
| [#5388] Leak Club for Leakies or Leak user Are you using the "Plessey" Metalpack caps (77 or 78 versions) in your ST-50? Have you tested them before use? -------------------------------------- No. All hovland capacitors.  |
Gingers 正式會員 221.xxx.xxx.18 |
2005-04-06 23:29 |
| [#5389] Leak Club for Leakies or Leak user Gingers, I asked this question because I found 1 out of every 3 of such NOS "Plessey" caps (not the "TCC" branded) are leaky. I got 10 of these a year ago. :( |
rcwy 正式會員 221.xxx.xxx.253 |
2005-04-06 23:31 |
| [#5390] Leak Club for Leakies or Leak user Stereo 50 came with EIGHT Hovland capacitors. All in yellow : )  |
Gingers 正式會員 221.xxx.xxx.18 |
2005-04-06 23:32 |
| [#5391] Leak Club for Leakies or Leak user I got 10 of these a year ago. :( ---------------------------------- I have more than you :-( |
Gingers 正式會員 221.xxx.xxx.18 |
2005-04-06 23:33 |
| [#5392] Leak Club for Leakies or Leak user I asked this question because I found 1 out of every 3 of such NOS "Plessey" caps (not the "TCC" branded) are leaky. I got 10 of these a year ago. -------------------------------------------- Gingers, Have you used your non-TCC branded "Plessey" caps? Beware of the bad ratio. |
rcwy 正式會員 221.xxx.xxx.253 |
2005-04-06 23:33 |
| [#5393] Leak Club for Leakies or Leak user No. I will write them all. No eyes see :-( |
Gingers 正式會員 221.xxx.xxx.18 |
2005-04-06 23:35 |
| [#5394] Leak Club for Leakies or Leak user "Are you using the "Plessey" Metalpack caps (77 or 78 versions) in your ST-50? Have you tested them before use? -------------------------------------- Yes, I am.. Yes, they all were tested and measured and proved leak-less..^___^ |
dd845 正式會員 203.xxx.xxx.227 |
2005-04-06 23:45 |
| [#5395] Leak Club for Leakies or Leak user All Electrolyte capacitors replaced with RIFA..same colour tone...^___^ |
dd845 正式會員 203.xxx.xxx.227 |
2005-04-06 23:55 |
| [#5396] Leak Club for Leakies or Leak user Singing... |
dd845 正式會員 203.xxx.xxx.227 |
2005-04-06 23:58 |
| [#5397] Leak Club for Leakies or Leak user DD/ Stone WHICH output transformers (OPT) are yours? http://home.mira.net/~kiewavly/transformers.html Early Stereo 50 uses 3925 OPT. and newer Stereo 50 with 8615 OPT. John |
Gingers 正式會員 221.xxx.xxx.18 |
2005-04-07 00:11 |
| [#5398] Leak Stereo 50 Vs Stereo 60 Hi, My Stereo 60 has a round choke, this being one of the later amplifiers. The choke replaces the 100 Ohm resistor in the power supply, giving better smoothing and a lower "resistance" power supply. The Stereo 50 is nearer the Stereo 20, having slightly more of the Stereo 20 sound than the Stereo 60 but with the extra power of the EL34's, the Stereo 60 clips at 35 Watts and the Stereo 50 clips at 25 Watts. Generally the EL34 has a harder sound, but I like the sound of the EL34 (I put it down to working with and listening to all those guitar amplifiers). I'm now on the lookout for a Stereo 50. Terry. ----------------------------------------------- Reposted from the Leak eGroup : ) |
Gingers 正式會員 221.xxx.xxx.230 |
2005-04-07 19:59 |
| [#5399] Leak Stereo 50 Vs Stereo 60 The Stereo 60 power amplifier is my own dream-amplifier. The EL34 ultra-linear output stage can actually deliver about 35 Watts at clipping, with distortion reaching 0.1% at about 25 Watts. The amplifier is closely related to the Stereo 50 model, which at first glance looks quite similar. The external differences are: The Stereo 60 has an input attenuator switch (some later Stereo 50 units also have these) The first stage valve socket is mounted above the chassis instead of from below A power supply filter choke was included in the Stereo 60 in the middle of the chassis. In the photo above the round can in the middle is where the filter choke is located. It has been reported (but not confirmed) that some Stereo 60 units had a large choke (like that shown), but most were much smaller that this. Circuit-wise, the Stereo 60 is almost identical to the Stereo 50, except that the power supply voltage is higher - the power transformer outputs more voltage, and the filter choke results in less voltage drop in the filtering circuit. More impotantly though, the Stereo 60 uses type 8615 output transformers (with 25% screen taps) where as the Stereo 50 uses type 3925 output transformers (with 50% screen taps, making operation of the output tstage closer to triode, with less power). As a result the Stereo 60 delivers slightly more power than the Stereo 50. http://home.mira.net/~kiewavly/Stereo60.html  |
Gingers 正式會員 221.xxx.xxx.230 |
2005-04-07 20:01 |
