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In Reply to: RE: tape out for phono stage posted by striperman on June 07, 2017 at 09:52:49
Your consideration of the Klyne suggests you have some issues? Maybe you're getting some interaction between the SF and the passive pre- passive preamps are not easy to interface. Research is indicated.
I didn't find a schematic for the SF but the tape outputs may be buffered, and in any case will sound about as good as that design can sound. Which should be pretty good if you like that school of tube sound. The outboard power supply with the tube rectifier is nice!
If you keep it, maybe find a shop that will bench check it for you. Replace the tubes and let them settle down a while (maybe spend some dough on Mullards??), and give it a new life. The SF should be compatible with the Goldring MMs- the cited 61 dB gain is a mite low but not a problem.
I'm listening that way now to a vintage Luxman preamp as a phono stage and it sounds good. There's no harm in taking the output from the main, assuming it's quiet. Just stick a wad of gum on the volume knob when you get things dialed in.
The phono stage in my Audio Research Sp-15 sounds great.
I only use the preamp for it's phono stage.
I just use the main out via XLR to my 'real preamp.
I find zero problems using the main output (with volume control in circuit)
I have an ARC SP-8 that I use the same way. The tape out goes to two MC 275 IV's, using the volume controls on the amps with a HO moving coil. I never have the volume controls past 2 o'clock, and I keep the ability to set the L-R balance. (That's why I got MC 275 IV's rather than later versions which don't have the volume controls.) I send the main output to a Mac 1700 receiver for TV, low-quality streaming, FM, etc. I think the SP-8 phono stage is one of the best I have ever heard overall, outside of the insanely priced ones, and better than some of those. Just MHO. It really shines when hearing it without a line stage in the circuit.
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