st2000;396650 Wrote: > BiBer wrote: > > Phil Leigh;396635 Wrote: > >> try a different interconnect cable between SB and amp (just as an > >> experiment) > > > > Already done this, tried some good quality cinch strips, and then > > several thin cables, the sort of cables you get with new gear. It > > doesn't seem to change anything, only the thin cables are sometimes > > picking up some 50Hz hum. > > > > Phil Leigh;396635 Wrote: > >> Normally a "bump" as you describe implies a low level of DC on the > >> outputs. This should be being blocked by output capacitors in the > SB. > > > > So the "bump" is the normal behavior of the SB? Or are the output > caps > > faulty? > > > > > > On the other hand, depending on how your amp is put together, I could > imagine the DC level of the "other" source you are switching from is > significant. That is, maybe, switching from the other source to the SB > > is causing what sounds like a thump. > > I can't imagine it is the SB as described in the first paragraph above. > > Simply because the SB's power supply is a "wall wart". That is, the > > SB floats and isn't grounded to the outlet. > > If it is as described in the second paragraph above, try unplugging the > > source from which your are switching from when you hear the "thump" as > > you switch to the SB. You your self said the "thump" is not always the > > same. I bet it depends on the source you are switching away from. > QUOTE] > > That's a good point. Disconnect all sources from your amp apart from > the SB and the see if the "bump" is still there when selecting the SB > input. My guess is it will have gone...
-- Phil Leigh You want to see the signal path BEFORE it gets onto a CD/vinyl...it ain't what you'd call minimal...SB3+Stontronics PSU - Altmann JISCO/UPCI - TACT 2.2X (Linear PSU) + Good Vibrations S/W - MF Triplethreat(Audiocom full mods)- Linn 5103 - Aktiv 5.1 system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Townsend Supertweeters, Kimber & Chord cables Outdoors: Boombox+Creative Sub (If I remember to turn it on...) ------------------------------------------------------------------------ Phil Leigh's Profile: http://forums.slimdevices.com/member.php?userid=85 View this thread: http://forums.slimdevices.com/showthread.php?t=60122 _______________________________________________ discuss mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/discuss
