Will stock jumpers just pull out?

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Cuchulain
Cuchulain Posts: 66
in 2 Channel Audio
Will the stock pre-out main in jumpers on my Nikko NR 1219 just pull out or do I have to open this thing up? I know I could just try but I don't have experience with this and if there are set screws or something holding it I don't want to screw-up something inside.

They look to be steel. Just want to try an upgrade and see the difference.
AVR: Integra DTR-50.4
TV: LG 50PS70
DVD/CD/BR: OPPO BDP 93
MAINS: Polk RTiA7
CENTER: Polk CSiA6
Heights: Polk VS 625RT (in wall)
SURROUNDS: Polk TC60i (in ceiling)
REARS: Polk R1
SUB: Polk PSW 125
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  • pitdogg2
    pitdogg2 Posts: 24,579
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    they should just pull out.
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  • drumminman
    drumminman Posts: 3,396
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    DIY jumpers made of decent copper wire and RCA plugs should be a worthwhile improvement. Steel sucks as a signal conductor. FYI, you don't need a ground wire on the RCA's, only a signal.
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills/jantzen inductors, Gimpod's boards, Lg Solen SDA inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips, interior of cabinets sealed with Loctite Power Grab, AI-1 interface with 1000VA A-L transformer
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