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| [#7704] Leak Club for Leakies or Leak user My new toy arrived at Hong Kong. I will collect it tomorrow. -------------------------------------- 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://werple.net.au/~kiewavly/Stereo60.html |
Gingers 221.xxx.xxx.140 |
2005-09-27 21:57 | |
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[#7705] Leak Club for Leakies or Leak user ![]() |
Gingers 221.xxx.xxx.140 |
2005-09-27 21:58 |
| [#7706] Leak Club for Leakies or Leak user Simon, Your trip to 大西北 is well deserved and I was told that you are so happy with your metallic grey. your metallic grey pair was highly sought after by HK Leak members too. You are the lucky guy. |
老~野 222.xxx.xxx.234 |
2005-09-27 22:55 |
| [#7707] Leak Club for Leakies or Leak user Gingers, Want to have a shootout between your Stereo 60 and Yuen's Stereo 50? You can also try his EL12N with adapters. Last time we tried them and they are comparable to his expensive KT77. EL12N probably works better in Stereo 60 with the higher plate voltage. The recommended plate voltage is 425V with 350 ohms cathode resistor. |
F2aYeung 203.xxx.xxx.248 |
2005-09-27 23:07 |
| [#7708] Leak Club for Leakies or Leak user Want to have a shootout between your Stereo 60 and Yuen's Stereo 50? ---------------------------------- Sure, h0wever I don't know whether my Stereo 60 is working or not :-( |
Gingers 221.xxx.xxx.140 |
2005-09-27 23:17 |
| [#7709] Leak Club for Leakies or Leak user Dream pre amplifier : ) |
Gingers 221.xxx.xxx.140 |
2005-09-27 23:29 |
| [#7710] Leak Club for Leakies or Leak user It will be great to take some photos in the GREAT WALL with my Leak : ) ----------------------------- SOUNDS GREAT! John, the photos of the gear in my BJ home will soon be availabe. Cheers, Simon |
simonlu 221.xxx.xxx.13 |
2005-09-28 10:35 |
| [#7711] Leak Club for Leakies or Leak user Your trip to 大西北 is well deserved and I was told that you are so happy with your metallic grey. your metallic grey pair was highly sought after by HK Leak members too. You are the lucky guy. --------------------------------- Alan, Special thanks to you for the gear! Also, your short messages are very helpful for me to choose an excellent LEAK. Rgds, Simon |
simonlu 221.xxx.xxx.13 |
2005-09-28 10:43 |
| [#7712] Leak Club for Leakies or Leak user 好《青見》仔,請問與 Eico HF35 音色上怎樣比較? ![]() |
Mercedes 203.xxx.xxx.42 |
2005-09-28 15:33 |
| [#7713] Leak Club for Leakies or Leak user Mercedes Long time no see wor..^^ "好《青見》仔,請問與 Eico HF35 音色上怎樣比較?" 我中意25+插KT66多過EL34,聽聞插EL34不在其working specifications,插EL34同HF35比的話,HF35好d,插KT66, 25+勝.. |
dd845 61.xxx.xxx.242 |
2005-09-28 15:54 |
| [#7714] Leak Club for Leakies or Leak user HF35.. |
dd845 61.xxx.xxx.141 |
2005-09-28 16:01 |
| [#7715] Leak Club for Leakies or Leak user Hi DD hing, Thanks for your comment. Yes, I was very busy moving home the last few months and could not show up. I am now settled down and can enjoy music again. I found that the ST20 cannot control the BC1 well, bass is a bit loose and boomy. Don't you think EL34 or KT66 has better control? How about your search for BC1? |
Mercedes 203.xxx.xxx.42 |
2005-09-28 16:54 |
| [#7716] Leak Club for Leakies or Leak user Your HF35 is also 好《青見》仔. Oh no, should be 好《青見》女,因為是被人插的。 |
Mercedes 203.xxx.xxx.42 |
2005-09-28 16:57 |
| [#7717] Leak Club for Leakies or Leak user Mercedes "I was very busy moving home the last few months and could not show up. I am now settled down and can enjoy music again" 嘩!又搬大屋,恭喜,恭喜.. "Don't you think EL34 or KT66 has better control?" The answer is absolutely YES la..for me, I prefer KT66 than EL34 to push BC1, Leak ST-50, a best choice wor..^^ **ST50 using EL34 or KT66 ..^^ ![]() |
dd845 61.xxx.xxx.198 |
2005-09-28 17:04 |
| [#7718] Leak Club for Leakies or Leak user 呢度任何一對推BC1相信都靚聲,上次Leak ST-50插高腳七EL34推35a,嘩!無論力度,空氣感,幼細辮辮有,而且d聲仲非常高貴華麗...^^ |
dd845 61.xxx.xxx.162 |
2005-09-28 17:17 |
| [#7719] Leak Club for Leakies or Leak user "呢度任何一對推BC1相信都靚聲,上次Leak ST-50插高腳七EL34推35a,嘩!無論力度,空氣感,幼細辮辮有,而且d聲仲非常高貴華麗...^^" So many posions, 引死人啦. If I want to find mono-blocs, it would be HF35, HF50, HF60, TL25+, Quad II and TL12.1 (too expensive to afford). Any others to choose from? |
Mercedes 203.xxx.xxx.42 |
2005-09-28 17:43 |
| [#7720] Leak Club for Leakies or Leak user A game : ) What are they???? : ) --------------------------------------------- Hint : ) Rare pair of tube amps and preamps from 1956. The amps are rated at 50 watts and each use two EL34's, one GZ34 and one 6AN8. The preamps each use two 12AX7's and one 12AU7. John ![]() |
Gingers 221.xxx.xxx.234 |
2005-09-28 19:45 |
| [#7721] Leak Club for Leakies or Leak user Gingers, Yes!!!!!! Both 12+ve working nicely and balanced now after repalcing the 0.02ufs. The reason that I did not change them before is that their reading in my capacitor meter are very close! May be capacitance is not equal to leaking or not. I can now proudly say that I am a leak amp owner!! ![]() |
laucy 222.xxx.xxx.240 |
2005-09-28 20:31 |
| [#7722] Leak Club for Leakies or Leak user Yes!!!!!! Both 12+ve working nicely and balanced now after repalcing the 0.02ufs. The reason that I did not change them before is that their reading in my capacitor meter are very close! May be capacitance is not equal to leaking or not. I can now proudly say that I am a leak amp owner!! -------------------------------------------- I can feel your happiness : ) Eventually UK amp leaked into a M&M lover's family : ) |
Gingers 221.xxx.xxx.34 |
2005-09-28 21:16 |
| [#7723] Leak Club for Leakies or Leak user Mercedes Long time no see : ) |
Gingers 221.xxx.xxx.34 |
2005-09-28 21:20 |