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Read the Post in new Window Read the Post in Threaded view  Post #19: The same as the European E55L? by Romy the Cat on 2007-12-31 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
Jim, Isn’t it the same as the famous European E55L? If so then it is a very popular in certain circles tube and it is a good driver. I never tried it myself though and I can not comment about it sonic signature or how to use it. BTW, the way how you ...

Read the Post in new Window Read the Post in Threaded view  Post #20: E55L = 8233 by hagtech on 2008-01-01 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
Yes, it is an E55L.  I wonder how stable it is.  Interesting to me how many of these "uber-tubes" are designed for RF operation.  Should make a wonderful oscillator.  The other find I came across was a pair of 6CL6.  Makes me...

Read the Post in new Window Read the Post in Threaded view  Post #23: E55L by Lucian on 2008-01-02 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
Hello first, as I am new on this site... I have tried a number of high Gm pentode/triode tubes, including E55L and, of course, 7788. All are very linear when used as triodes, but do not bet on very low noise, if that is what you would be after. Th...

Read the Post in new Window Read the Post in Threaded view  Post #23: E55L by Lucian on 2008-01-02 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
Hello first, as I am new on this site... I have tried a number of high Gm pentode/triode tubes, including E55L and, of course, 7788. All are very linear when used as triodes, but do not bet on very low noise, if that is what you would be after. Th...

Read the Post in new Window Read the Post in Threaded view  Post #20: E55L = 8233 by hagtech on 2008-01-01 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
Yes, it is an E55L.  I wonder how stable it is.  Interesting to me how many of these "uber-tubes" are designed for RF operation.  Should make a wonderful oscillator.  The other find I came across was a pair of 6CL6.  Makes me...

Read the Post in new Window Read the Post in Threaded view  Post #28: Re: It is indeed! by Thorsten on 2004-12-08 
Browse the content of the threads in new Window  Thread: Where are our good phonostages? in Analog Playback  61 Replies 
hI bRIAN, [quote user="Brian Clark"]The 834P was a revelation for me, being a circuit that I would have dismissed as "old hat" (Feedback? 12AX7 cathode follower? Do me a favour!).[/quote] Me too, but you know me, i'm mainly pragmatic. The EAR 834P is...

Read the Post in new Window Read the Post in Threaded view  Post #19: The same as the European E55L? by Romy the Cat on 2007-12-31 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
Jim, Isn’t it the same as the famous European E55L? If so then it is a very popular in certain circles tube and it is a good driver. I never tried it myself though and I can not comment about it sonic signature or how to use it. BTW, the way how you ...

Read the Post in new Window Read the Post in Threaded view  Post #22: It is indeed! by Brian Clark on 2004-12-08 
Browse the content of the threads in new Window  Thread: Where are our good phonostages? in Analog Playback  61 Replies 
The 834P was a revelation for me, being a circuit that I would have dismissed as "old hat" (Feedback? 12AX7 cathode follower? Do me a favour!). I like it so much that I intend to build an "enhanced" copy a la Thorsten/Carsten for reference (and enjoy...

Read the Post in new Window Read the Post in Threaded view  Post #25: “Do me a favour” corrector. by Romy the Cat on 2004-12-08 
Browse the content of the threads in new Window  Thread: Where are our good phonostages? in Analog Playback  61 Replies 
[quote user="Brian Clark"]I like it so much that I intend to build an "enhanced" copy a la Thorsten/Carsten for reference (and enjoyment!) before investigating the high Gm alternative (D3a + E55L or E810F )[/quote]Brian, It is hard to say. I use my b...

Read the Post in new Window Read the Post in Threaded view  Post #39: Re: Better among worst? by Thorsten on 2005-11-08 
Browse the content of the threads in new Window  Thread: Passive transformer based preamp in Audio Discussions  41 Replies 
Hi,[quote user="morricab"]You may be right.  It would perhaps be worthwhile to look into "better" transformers but I am not sure that an advantage can be found over just going RCA to XLR adaptor into the balanced inputs and thereby bypassing the...

Read the Post in new Window Read the Post in Threaded view  Post #40: Thorsten's preamp idea by Romy the Cat on 2005-11-08 
Browse the content of the threads in new Window  Thread: Passive transformer based preamp in Audio Discussions  41 Replies 
[quote user="Thorsten"]MY PERSONAL current realisation (where I to build one) would look like this:1) S&B TX-102 as volume control, with suitable switch2) 2V Lithium Battery negative pole to the grid of the Valve, bypassed with good non-magnetic ...

Read the Post in new Window Read the Post in Threaded view  Post #2: Re: An amplifier for Tweeters by cv on 2006-09-04 
Browse the content of the threads in new Window  Thread: An amplifier for Tweeters in Audio Discussions  17 Replies 
Hi Romy,I think you may be struggling to get 10-12db of gain out of a spud amp (the term is a play on "one tuber").... May just about get it with 6C45.... remember you will be stepping down something like 12 to 18:1 on the OPT.best case: 10db require...

Read the Post in new Window Read the Post in Threaded view  Post #21: Many fast tubes and the Lynn Olson Syndrome by Romy the Cat on 2008-01-02 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
[quote user="hagtech"]Yes, it is an E55L.  I wonder how stable it is.  Interesting to me how many of these "uber-tubes" are designed for RF operation.  Should make a wonderful oscillator.  [/quote] Go figure not stable are they. ...
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