I have the Q95.2C with my 1050. The biwire jumpers should run from red to red and black to black. The speaker wire is connected to the bottom red and black binding posts. 2 things to try as well make sure that you've got the speaker wire connected firmly on the 1050 end. If you use spades or banana plugs make sure that the wire is firmly in place here as well.
One other thing, if you try another speaker do it by switching the wires on the 1050. If the speaker sounds OK then switch the 95c with Q15 at the speaker end. Good luck
Joe
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Kef Reference 203 R/L, Reference 202c center, Kef Q15 surrounds,Kef Q100 rear surrounds, Velodyne VLF-1012 sub, Krell Showcase pre/pro, Krell 2250 Amplifier, Lexicon CX-5 amplifier, Sanyo Z5 projector, Oppo BD-83SE Blu-Ray player, Luxman PD121 turntable, PS Audio GCPH phono preamp