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General question about preamps with Proprius amps |
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DT999
Regular Joined: 07 Jan 2020 Location: Australia Status: Offline Points: 95 |
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OK thanks, I was thinking about total capacitance between cartridge and phono stage. I have a few cartridges and the ATVM95ML for example reccomends a total capacitance of 100-200pF. I was just wondering what the extra circuitry of the switch and additional RCA cable might add and if that would ause an issue.
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Rega Planar 3 > Accession MM / Thorens TD160 > Reflex M > Modwright LS100 tube preamp > Solo ULDE / Proprius > Monitor Audio Silver 500 / 2 x SVS SB1000 subwoofers
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DT999
Regular Joined: 07 Jan 2020 Location: Australia Status: Offline Points: 95 |
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Does the QED box work OK? I have seen them here in Australia as well, and it might be easier than trying to source a box from Germany. A switch box certainly looks viable for connecting the 2 turntables, but I am also wondering about the pre outs. I could use a splitter cable, but my (limited) understanding is that will halve the output to each side, and I don't know what that would do for a headphone amp or the active subwoofers.
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Rega Planar 3 > Accession MM / Thorens TD160 > Reflex M > Modwright LS100 tube preamp > Solo ULDE / Proprius > Monitor Audio Silver 500 / 2 x SVS SB1000 subwoofers
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discrete badger
Senior Member Joined: 14 Jul 2009 Status: Offline Points: 479 |
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Fear not about the splitters; they don't halve the "output".
What can happen, in theory, is that if either the headamp has a low impedence input (it doesn't) or the subs have low impedence inputs (they won't) and the pre-amp cannot deal with low impedence loads (it can), then the output voltage of the pre-amp can be dragged down by the higher current draw of two sinks rather than one. More an issue for sensitive valve gear, not this proposed arrangement of well-designed solid state. Edited by discrete badger - 19 Jun 2021 at 7:51am |
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DT999
Regular Joined: 07 Jan 2020 Location: Australia Status: Offline Points: 95 |
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Thanks, as stated I have very little understanding of this. I might actually get some splitter cables and try it out with my current amp, if there is no problem then I know it will work OK with Graham's products.
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Rega Planar 3 > Accession MM / Thorens TD160 > Reflex M > Modwright LS100 tube preamp > Solo ULDE / Proprius > Monitor Audio Silver 500 / 2 x SVS SB1000 subwoofers
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