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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: My latest phono revision unveiled posted by Kurt Strain on February 28, 2002 at 18:01:43:
Kurt,Use either Grid or full Grid leak bias on the second valve. The 750 Ohm resistor alone is reflected up to the anode as 750 * Mu or theoretically 60k.... Bridge out (for fun) the cathode resistor on the output and use a 20M Gridleak resistor, plus a 2M7 before the coupling Cap (or just re-adjust the RIAA).
Other than that and the 417A it looks very interresting.... I almost made something similar myseld, but decided to save my shots for a fully LR/LRC equalised WE 396 & we417A phonostage, so I'm just building a little "drilled up" version of the EAR 834P.
BTW, if you drop all that cash on Teflon Cap's, do try a pair of S&B 103's for around $ 200 the pair. In my setup you have to wipe the EAR MC-3's off the wall in small chunks after a "shootout", but that just me and WTFDIK....
Ciao T
Ciao T
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Follow Ups
- getting the bottom octave back (if you want it) - Thorsten 02/28/0218:13:06 02/28/02 (0)
- Holy S*** . I screwed this up big time. - Kurt Strain 18:49:18 02/28/02 (0)
- It's fixed now! - Kurt Strain 22:05:52 02/28/02 (0)
- Re: It's fixed now! - Thorsten 02:29:40 03/1/02 (0)
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