While i've never had such a severe problem as you mention, i have had some RCA's that are very, very tight fits. As Paulwp mentions, i've never seen a locking or "clamping" connector that could not be loosened up enough to slide it on. Most of my problems have been with non-locking RCA's that were either "under sized" on purpose (trying to make the most contact area possible) or simply not machined right to begin with. Sean
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