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In Reply to: RE: 6922s will work really well and cost a lot less@Mechans posted by Fullrun on July 03, 2012 at 19:16:04
I have a matched quad of Cca, from 1964 (I think). Supposedlythe holly grail of this tube family. To me, they sound like 7308s. I lived with them in my Einstein Absolute Tune for a few months, but eventually went back to 6922s which I generally preferred.
Jack
Follow Ups:
They are equivalent tubes dating all the way back to 1956. Some were made by Philips in Heerlen, Holland, others were made by Valvo in Hamburg, Germany, others were made by Siemens in Munich, Germany and others were made by Telefunken in Ulm, Germany.
So true, but you would hope that the journey of "experience" would flush out the reality among those of us who are tube addicted. :)
Your input has been helpful,Jack... because those 3 are the Siemens I haven been considering. Actually 2 of them since the CCas are out of line for me getting into 5 to 6 bills.
Can you you say a little bit what the similarities and the differences were between 7308/E188CC and the 6922/E88CC for you? And what had you stick with the latter?
I've liked what I heard of in the sound of Einstein Absolute so I know where somewhat in the same ballpark of listening taste.
In my experience, there are slight tonal balance differences between the two. Both are clean and crisp, with a Seimens "house sound", but the 6922s had a flatter FR, with more extended treble and deeper bass, while the 7308s had a slight emphasis on the lower treble and mid bass.. The other difference was that the 7308s were a bit more forward, with a shallower soundstage.
BTW, you really want the 6922s before they went to the "A" frame in the late 60s. I/m not sure on the exact year they switched.
Jack
Jack,
Thanks... real helpful... and I get it about the "A" frame...
I assume by "FR" you mean frequency response...? And, therefore, a purer sound.
In music as in life... one is always on the learning curve
Jack,
Thanks... real helpful...
In music as in life... one is always on the learning curve
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