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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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In Reply to: Re: Morrisons "Siren Song" preamp posted by L.D. Moore on November 28, 2000 at 21:43:41:
Hi L.D (Larry?) and Jon,sorry for beeing away so much time, I was very busy and then my car broke down (I am still repairing it).
Well, I am impressed about the help I am receiving on this matter, really! Some of the suggested literature I think I'll have a study during x-mas hollidays.
I think I got this "the circuit is in the circuit" thing. You are right when you suggest not changing the circuit a lot, Morrison has had his thoughts on it.
Ok but still: why balanced? A question of circuit elegance, as Jon Ver Halen stated going from balanced to SE and then to balanced again seems silly, so that's why I wanted to change the last SE 6N7 stage to balanced as well. The signal is balanced at the pickup and keeping it like this all the way into my line pre is elegant and may also improve noise level (my "Siren Song" IS noisy AND oscilating, the last especially when I open the volume pot - a different story but shurely the next one).
So the suggestion of keeping the last last stage and including a step down line trans looks perfect for my purpose. Why a line stage? Basically to switch between different sources, i got mine cheap and used.
Questions:
Can I change the last SE 6N7 stage to a balanced ("long-tailed" - what's that?)?
How do I have to modify the RIAA in front of it then?
What is the output impedance I'll get then so that I can look for an adecuate (linestage) trans?As usual: Any suggestions and comments are highly appreciated.
The very best regards
Antonio
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- Re: Morrisons "Siren Song" preamp - julioiglesias 12/10/0014:05:41 12/10/00 (0)
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