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| [#1763] Quad ESL speaker The diaphragm thickness should be 5 micron which means 0.005mm. --------------------------- Thanks CP. Msg noted. Regds |
PCS100 正式會員219.xxx.xxx.151 |
2006-10-28 10:31 | |
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| [#1764] Quad ESL speaker I had a wonderful time this afternoon listening to the great sounding pair of ESL57 Dennis has. We also tried out a number of GZ32 and compatibles in the Quad II. Maybe Dennis and Edmund can share what they think of the tubes we tried today.  |
timtube 正式會員 203.xxx.xxx.188 |
2006-10-28 21:57 |
| [#1765] Quad ESL speaker On the pic from left to right : 2x Cossor 52KU black plate black base 1x Cossor 52KU black plate brown base 2x Cossor 52KU gray plate brown base 2x Swedish Standard 22S22 2x Mullard GZ32 black base square getter 2x Mullard GZ32 brown base square getter 1x Mullard GZ32 black base inverted tray getter |
timtube 正式會員 203.xxx.xxx.188 |
2006-10-28 22:01 |
| [#1766] Quad ESL speaker Dennis, FYI, the 5 versions of Mullard CV4004/M8137 : - Square getter/double getter support - circle getter/double getter support - large circle getter/single getter support - small circle getter/single getter support - gold pins  |
timtube 正式會員 203.xxx.xxx.188 |
2006-10-28 22:10 |
| [#1767] Quad ESL speaker Frankly, Tim, If they don't have the logo shown, they sound all come from the same tube family to my ears. I have the following personal observation or listening experience with my QUAD II/22/ESL: 1) the older (the black plate) sounds better (Grey plate), 2) the Cossor sounds more real than the Mullard. 3) the Sweden made Standard tube sounded very balance but only slightly behind the British in terms of musicality. But who knows in other system? Frankly, I can live with them all. All sounded very natural and real but your black plate 52KU was just able to produce a wider and deeper sound stage, and more importantly more real probably an indication of better resolution. One last word, the size of your black plate Cossor is the largest one amongst all. Is it a clear sign of best sounding GZ32 variation? A very enjoyable and fruitful afternoon. My salute to your knowledge and wisdom. Give me a shout when your are ready to take out your ESL. |
dkyyu 正式會員 210.xxx.xxx.217 |
2006-10-28 23:29 |
| [#1768] Quad ESL speaker Sone revision: the Sweden made Standard tube sounded very balance but only slightly behind the British in terms of musicality WHEN PLUGGED IN A BRITISH QUAD II/22 system. But who knows THE RESULTS in other non-tube system? |
dkyyu 正式會員 210.xxx.xxx.217 |
2006-10-28 23:32 |
| [#1769] Quad ESL speaker But who knows THE RESULTS in other non-tube system _________________________________________________________________ How can a Swedish tube sound in a non-tube system?? |
cpsjj 正式會員 219.xxx.xxx.100 |
2006-10-28 23:38 |
| [#1770] Quad ESL speaker Hi, cp, Error again, non British tube system. |
dkyyu 正式會員 210.xxx.xxx.217 |
2006-10-28 23:42 |
| [#1771] Quad ESL speaker Actually, I think the 22S22 sounds well Gingers Leak TL12.1 too. So it may not be a matter of British system or not. |
timtube 正式會員 203.xxx.xxx.188 |
2006-10-29 11:02 |
| [#1772] Quad ESL speaker Sure, Tim, May I revise the wordings to "non-QUAD tube system.". The Sweden sounds fairly good in QUAD II. I just felt the Cossor black plate are more superior. |
dkyyu 正式會員 210.xxx.xxx.23 |
2006-10-29 11:09 |
| [#1773] Quad ESL speaker And I really look forward to a ESL57 challenge party to see which amp drive the Quad the best! |
timtube 正式會員 203.xxx.xxx.188 |
2006-10-29 11:17 |
| [#1774] Quad ESL speaker Indeed, I think the Cossor works better in the Quad II compare to the 22S22. |
timtube 正式會員 203.xxx.xxx.188 |
2006-10-29 11:18 |
| [#1775] Quad ESL speaker Can we have a poll/vote here as to which amp sound the best with ESL57 they listened to so far? My vote go to Quad II. |
timtube 正式會員 203.xxx.xxx.188 |
2006-10-29 11:20 |
| [#1776] Quad ESL speaker tim, You haven't heard the V69a driving the ESL57 yet. |
cpsjj 正式會員 218.xxx.xxx.147 |
2006-10-29 11:26 |
| [#1777] Quad ESL speaker The amps that I have tried driving 57 in my place include : V69a, V73, M9, MC240, Quad II, TL12.1, TL25+, Stereo 20, Fisher 500C, Scott 299C, Altec 1568a, Quad 303 and Cary 300B. My vote goes to V69a. Let's wait till the Graaf GM20 sings. |
cpsjj 正式會員 218.xxx.xxx.147 |
2006-10-29 11:34 |
| [#1778] Quad ESL speaker Those queueing up are : V502, V408, V410 and V281. Tim...................how's your V81?? |
cpsjj 正式會員 218.xxx.xxx.147 |
2006-10-29 11:39 |
| [#1779] Quad ESL speaker Hi Is V69a an improved version of V69? John |
Gingers 正式會員 221.xxx.xxx.30 |
2006-10-29 12:19 |
| [#1780] Quad ESL speaker Gingers, Note. "The V69 main-amplifier was developed by the German broadcast studio NWDR in 1951 and was introduced in 1952. The only manufacture for this type was the firm TELEFUNKEN in Berlin. The V69 and V69a was a real Class A amplifier with an output of 25 Watts. In the pre-amplifier section the V69 used EF12 tubes, which were changed in 1956 at the V69a version into EF804S types. This tubes were used in the V72 and the V76 also, so the German broadcast-studios do not have to stock several types of tubes, the other reason was, that the production of the EF12(k) was stopped in 1956 at TELEFUNKEN in Berlin. After introducing the V69a in 1956, all versions from the V69 were modified from the broadcast radio and TV stations to the V69a type by changing tube-sockets, tubes, the F2a11 grid resistors and the common screen-grid resistor for the new EF804S types. All transformers for this type were built by TELEFUNKEN too. Today you can find these versions with a lot of modifications replacing the input-transformers with the EF804s. Be careful when you will hear the word "modification". We have seen a lot of those "modifications", which really made the amplifier worse than better. But normally, these two types were more stable than the newer V69b. The V69b was introduced in 1963 and was now built from AEG-TELEFUNKEN in Hannover. For reducing the scattering field, main- and output-transformers now uses Pu-lamination instead of the EI-lamination. Output-power changed now from Class A to Class AB and from 25 to 35 Watts. The rectifier-tubes were replaced with a "Graetz" silicon-rectifier and many paper-capacitors were taken out for newer, smaller, polyester caps. But nearly three years after introducing this new type, the main-transformer made a lot of problems. This transformers were not vacuum and varnished finished and fell out. AEG-TELEFUNKEN took these transformers back and changed them for in vain. Further, if good transformers from these series were send back, they finished them with vacuum and with varnish. Take care, if you want to buy a V69b, because there are some amplifiers with these transformers still on the market, you may have to be lucky, but normally every V69b main-transformer will fall out. In 1968 or 1969 the production from this type stopped, so the chance to get a V69b from the second series is very small. In our opinion, the V69(a) is the much better sounding amplifier with a better volume." |
cpsjj 正式會員 218.xxx.xxx.147 |
2006-10-29 12:25 |
| [#1781] Quad ESL speaker My vote goes to V69a __________________________ Dear All, This is only my personal humble opinion. Pardon me if there implies even a slightest hint of arrogance. There are quite a lot of friends who have listened to the ESL57 setups, so please feel free to vote which amp matches better. No hard feeling at all and I'm sure all other ESL owners feel the same. Even amongst ESL owners hold different opinions, Dennis I'm sure is a die-hard Quad II, Patrick seems to prefer the V73 even to his Cary 300B. I'm still searching and listening. I have some of the amps, if I don't, I'm sure I'll get one. |
cpsjj 正式會員 218.xxx.xxx.147 |
2006-10-29 12:39 |
| [#1782] Quad ESL speaker Patrick seems to prefer the V73 even to his Cary 300B. ------------------------------- You were right! I vote for the V73. However, I am looking forward to hear the sound of Graaf OTL. I would like to see how it compare w/Cary 300B before I cast my final vote. Regds |
Pcs100 正式會員 219.xxx.xxx.151 |
2006-10-29 13:09 |
