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RE: Tweeter difference problem with 3.3Rs and more

OK, so you made me look
The gain on the Melos is 60 db, max output 20V, S/N 80 MM ref 0.5V, 75 MC >100 db Ref full output. Sensitivity, 0.5mV for 0.5V output. Gain is supposed to be adjustable internally via jumpers though I don't have the manual so would have to guess, I simply use the attenuators when i need to. And I set my MF HTP at full output - 10V so they match up on the pre.

The Audible Illusions Dual Mono is rated at 45 db phono gain 60 db including line stage gain, SN phono alone is 64 db, 78 with line stage gain ref 0.5V out. Max voltage output is 80 volts??? has to be a typo, it should be 40. who knows.

Lets see, SS preamps I liked. In my system there were the pre outs of the giant Sansui, not particularly great but very flexible, Rotel integrated 870? pre outs not special, MC input ok, definitely enjoyable, Rotel 970 or something preamp nice MC, better than the integrated, Went and listened around, There was a Symphonic line that was dynamic and detailed while inoffensive, Threshold's Fet 10, i never heard it without screechy amplifiers and MCs setu up with too much VTA, but it seemed to be the one solid item in the chain. The Classe 5 or was it 6? really nice. Then I heard a tube pre and immediately scrounged for one. Got my Audible Illusions Dual Mono. set it up, Jeez I never knew the Vandy 3C could do BASS, Grand soundstage. So no, nothing like that came out of a solid state, though there is more detail available. The Musical Fidelity HTP is SS and is very nice. More detailed than the Audible illusions, not as good as the SHA Gold in active out nor in passive out. A full order of magnitude less dimensional than the tube pres. But it does D/A and A/D primarily used as DAC. BTW a Ken Kessler favorite for HT.

Re OC9 you might be particularly sensitive to the crude and rude qualities of the OC9, but it is dynamic and extended in a tizz and boom kind of way. I did enjoy it with my extra lossy inductive solid core cables that made digital bearable. But then, mine is a really old one from the late 80s or early 90s, so you were likely using more modern production, it is quite remarkable how long I managed to use it, though it did have occasional company.

I see that the best thing to do is to just swap gains, since there is enough gain on the stepups to allow a normal pre to do the rest of the adjustment.

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